{"id":3729,"date":"2026-09-09T03:17:22","date_gmt":"2026-09-09T03:17:22","guid":{"rendered":"https:\/\/alummira.com\/?p=3729"},"modified":"2026-09-09T03:17:26","modified_gmt":"2026-09-09T03:17:26","slug":"pergola-gutter-standards-key-facts-for-buyers","status":"publish","type":"post","link":"https:\/\/alummira.com\/ru\/pergola-gutter-standards-key-facts-for-buyers\/","title":{"rendered":"Pergola gutter standards: key facts for buyers"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>1. Introduction<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;is a popular outdoor structure. Many people choose&nbsp;<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>&nbsp;for its light weight and strong resistance to rust. But a&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;needs a good drainage system. Without it, rain can cause big problems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This article explains the European rules for&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;gutters. It gives clear facts about sizes, materials, and design. The information comes from official European standards (EN) and British standards (BS). We use short sentences and simple words. Our goal is to help you understand what matters most.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Key terms you will see often:&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>,&nbsp;<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>,&nbsp;<strong>6063-T5<\/strong>,&nbsp;<strong>6063-T6<\/strong>,&nbsp;<strong>gutter<\/strong>, downpipe, and coating.<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-01-20260909-1024x768.webp\" alt=\"\" class=\"wp-image-3730\" srcset=\"https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-01-20260909-1024x768.webp 1024w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-01-20260909-300x225.webp 300w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-01-20260909-768x576.webp 768w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-01-20260909-1536x1152.webp 1536w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-01-20260909-16x12.webp 16w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-01-20260909-600x450.webp 600w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-01-20260909.webp 1728w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Why is the gutter so important?<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">We already know that water is heavy. One square metre of water with a depth of 1 cm weighs 10 kg. If a&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;roof holds 10 cm of water, that adds one tonne of extra weight. That can bend the frame or even break it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A good&nbsp;<strong>gutter<\/strong>&nbsp;takes water away quickly. It protects the surface coating. It stops water from washing away the ground under the posts. It also keeps the sitting area dry and safe. In winter, it prevents dangerous ice falls.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So the&nbsp;<strong>gutter<\/strong>&nbsp;is not a small detail. It is a key part of the whole structure.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Main European standards for pergola gutters<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Europe has many standards. They do not give one fixed size for every&nbsp;<strong>gutter<\/strong>. Instead, they give rules for performance, strength, and safety. Here are the most important ones.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.1 EN 612:2005 \u2013 Metal gutters and downpipes<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This standard covers&nbsp;<strong>gutter<\/strong>&nbsp;and downpipe products made from metal sheets, including&nbsp;<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>. It tells manufacturers what materials to use. It also sets rules for dimensions, joints, and connections. If a&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;<strong>gutter<\/strong>&nbsp;meets this standard, you know it has passed basic quality tests.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.2 EN 12056-3:2000 \u2013 Gravity drainage inside buildings<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This is a very important standard. It gives the method for calculating how much water a&nbsp;<strong>gutter<\/strong>&nbsp;can carry. You must consider local rain intensity and roof area. The standard provides formulas for flow rate and required&nbsp;<strong>gutter<\/strong>&nbsp;size. Most products show their capacity based on this standard.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.3 EN 1433:2002 \u2013 Drainage channels for people and vehicles<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This standard applies to ground drains. If your&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;has a floor drain or a channel that people walk on, you need this standard. It defines load classes from A15 (light foot traffic) to F900 (heavy aircraft). For a home&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>, A15 or B125 is usually enough. But if cars drive over it, you need a higher class.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.4 Other related standards<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>EN 15088:2005<\/strong>&nbsp;\u2013 covers&nbsp;<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>&nbsp;structural products.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cfBS EN 755-2<\/strong>\u00a0\u0438\u00a0<strong>BS EN 12020\u001e2<\/strong>\u00a0\u2013 specify extruded\u00a0<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>\u00a0profiles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cfBS EN 12206-1:2004<\/strong>\u00a0\u2013 for powder coatings on\u00a0<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cfEN 13501-1<\/strong>\u00a0\u2013 for fire classification. Most\u00a0<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>\u00a0systems reach class A2\u001es1,d0, which means non\u001ecombustible, low smoke, and no flaming drops.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>EN 1462<\/strong>&nbsp;\u2013 for gutter brackets. They must meet Class H strength requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong>All these standards work together. They make sure the&nbsp;<strong>gutter<\/strong>&nbsp;system is safe, durable, and fit for purpose.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. Common sizes \u2013 not fixed, but typical<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">There is no single \u201cEuropean size\u201d for a&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;<strong>gutter<\/strong>. But the market offers several popular dimensions. The table below shows typical width \u00d7 height\/depth values.<\/p>\n\n\n\n<figure class=\"wp-block-table has-small-font-size\"><table class=\"has-fixed-layout\" style=\"border-width:2px\"><tbody><tr><td>Part<\/td><td>Common size (mm)<\/td><td>Notes<\/td><\/tr><tr><td><strong>Gutter<\/strong>&nbsp;(half\u001eround)<\/td><td>125 \u00d7 100<\/td><td>Also called 5\u001einch<\/td><\/tr><tr><td><strong>Gutter<\/strong>&nbsp;(half\u001eround)<\/td><td>150 \u00d7 100<\/td><td>Also called 6\u001einch<\/td><\/tr><tr><td>Box&nbsp;<strong>gutter<\/strong><\/td><td>100 \u00d7 75<\/td><td>Square shape<\/td><\/tr><tr><td>Box&nbsp;<strong>gutter<\/strong><\/td><td>80 \u00d7 70<\/td><td>Used for smaller balconies<\/td><\/tr><tr><td>Box&nbsp;<strong>gutter<\/strong><\/td><td>140 wide \u00d7 60 high<\/td><td>For bigger rain loads<\/td><\/tr><tr><td>Floor drain channel<\/td><td>32.5 \u00d7 17.7<\/td><td>For deck areas<\/td><\/tr><tr><td>Floor drain channel<\/td><td>40 \u00d7 60<\/td><td>Another common type<\/td><\/tr><tr><td>Round downpipe<\/td><td>Diameter 63, 76, or 102<\/td><td>Circular pipes<\/td><\/tr><tr><td>Square downpipe<\/td><td>76 \u00d7 76 or 102 \u00d7 102<\/td><td>Square pipes<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Standard lengths are usually 3 m or 6 m. You can also order custom lengths.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For a louvered&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;(with movable slats), the drainage is often built inside the posts. These systems often use a DN50 outlet. That means a 50 mm pipe connection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Remember: these sizes are only starting points. The correct size depends on your local rainfall and roof area. You must calculate the needed capacity using EN 12056\u001e3.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. Material requirements<\/strong><strong><\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5.1 Alloy grades<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Most manufacturers use\u00a0<strong>6063-T5<\/strong>\u00a0or\u00a0<strong>6063\u001eT6<\/strong>\u00a0<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>. Both are extrusion grades. They have good strength and corrosion resistance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf6063-T5<\/strong>\u00a0\u2013 slightly lower strength but easier to shape. It is common for many profiles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf6063-T6<\/strong>\u00a0\u2013 higher strength because of heat treatment. It is preferred for load\u001ebearing parts like main beams and heavy\u00a0<strong>gutter<\/strong>\u00a0sections.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong>Some products use\u00a0<strong>6063-T4<\/strong>, but T5 and T6 are more typical in Europe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong>Always check the alloy grade on the product data sheet. It tells you the mechanical properties.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5.2 Wall thickness<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The standard wall thickness for&nbsp;<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>&nbsp;gutters is&nbsp;<strong>2.0 mm<\/strong>. For extra strength, you can get 2.5 mm or 3.0 mm. Thicker walls resist denting and bending better. They also last longer in harsh weather.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5.3 Surface coating<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bare&nbsp;<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>&nbsp;can oxidise. But the real protection comes from the paint or powder coating. The coating must meet BS EN 12206\u001e1. A high\u001equality coating carries the&nbsp;<strong>Qualicoat<\/strong>&nbsp;label. This is a European quality mark for architectural powder coatings.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Powder coating gives two benefits:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong>It stops corrosion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong>It provides a beautiful finish in any RAL colour.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong>Choose a coating that is at least 60\u001e80 microns thick for outdoor use.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5.4 Fire performance<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0410\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>\u00a0does not burn. When coated with non\u001ecombustible powder, the whole system achieves class A2-s1,d0 under EN 13501-1. This means:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong>Very limited contribution to fire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong>Little smoke production.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong>No flaming droplets that could spread fire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This makes&nbsp;<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>&nbsp;gutters safe for residential and public areas.<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-1024x768.webp\" alt=\"\" class=\"wp-image-3732\" srcset=\"https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-1024x768.webp 1024w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-300x225.webp 300w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-768x576.webp 768w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-1536x1152.webp 1536w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-16x12.webp 16w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-600x450.webp 600w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909.webp 1728w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. Design and installation rules<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Having good materials is not enough. You must design the system correctly. Here are the key points.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6.1 Calculate the required capacity<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This is step one. Use EN 12056-3. You need:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong>The design rainfall intensity (litres per second per square metre). Your local weather office can give this data.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong>The effective roof area that drains to one&nbsp;<strong>gutter<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong>The slope of the&nbsp;<strong>gutter<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The standard gives a simple formula:<br>Q = A \u00d7 r<br>where Q is flow rate, A is roof area, and r is rainfall intensity. Then you choose a&nbsp;<strong>gutter<\/strong>&nbsp;size that can handle Q plus a safety margin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Never guess the size. A wrong size leads to overflow or structural stress.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6.2 Provide a slope<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Water must flow by gravity. So the&nbsp;<strong>gutter<\/strong>&nbsp;must have a slope. The minimum slope is&nbsp;<strong>1 %<\/strong>&nbsp;(1 cm fall per metre). A slope of 2 % is better for heavy rain. This ensures water moves fast and does not pool.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6.3 Use at least two downpipes<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">One downpipe is a weak point. If it gets blocked, the whole&nbsp;<strong>gutter<\/strong>&nbsp;fills and overflows. European practice requires at least two outlets for each&nbsp;<strong>gutter<\/strong>&nbsp;run. This gives redundancy. If one blocks, the other still works.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6.4 Include overflow protection<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Even with two downpipes, leaves or debris can clog them. So you need an overflow device. This is usually a slot or a lower edge on the&nbsp;<strong>gutter<\/strong>&nbsp;that lets excess water spill out safely \u2013 away from the posts and people.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Overflow is not optional. It is a safety requirement in many countries.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6.5 Choose strong brackets<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412&nbsp;<strong>gutter<\/strong>&nbsp;must be fixed securely. Brackets hold it to the&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;frame. They must comply with EN 1462 and meet Class H. Class H brackets are tested for high wind and snow loads. They do not loosen over time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Space the brackets correctly \u2013 typically every 600\u001e800 mm. Closer spacing gives more support.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6.6 Allow for thermal expansion<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0410\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>\u00a0expands and contracts with temperature changes. The coefficient is about 0.024 mm per metre per \u00b0C. For a 6m length, a 50 \u00b0C change causes about 7 mm movement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So you must leave expansion gaps. Use sliding connectors or flexible seals. A good rule is&nbsp;<strong>1 mm per metre of length<\/strong>. This prevents buckling or pulling apart.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6.7 Ensure proper sealing at joints<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Joints between&nbsp;<strong>gutter<\/strong>&nbsp;sections must be watertight. Use rubber gaskets or silicone sealants that are UV\u001estable. Also use stainless steel screws and rivets \u2013 never mild steel, which rusts and stains.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. Why choose aluminum over other materials?<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Many people ask: why&nbsp;<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>&nbsp;for a&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;<strong>gutter<\/strong>? Here are the advantages.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>Light weight<\/strong>&nbsp;\u2013 easy to handle and install. Less load on the roof frame.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>Corrosion resistance<\/strong>&nbsp;\u2013 no rust, even in coastal areas (if coated properly).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>Recyclable<\/strong>&nbsp;\u2013 good for the environment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>Long life<\/strong>&nbsp;\u2013 with good coating, it can last 30+ years.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>Attractive finish<\/strong>&nbsp;\u2013 powder coating gives a smooth, modern look.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Compared to steel,&nbsp;<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>&nbsp;does not need painting every few years. Compared to plastic, it is stronger and does not sag or crack in sunlight.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>8. Practical tips for buyers and specifiers<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you are buying or designing a&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;with a&nbsp;<strong>gutter<\/strong>, follow these steps.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1.<\/strong><strong>Get local rain data<\/strong>&nbsp;\u2013 ask your local authority or use online tools. Know the 5\u001eminute peak intensity for your area.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2.<\/strong><strong>Measure your roof area<\/strong>&nbsp;\u2013 calculate the horizontal projection of the roof. That is the area that collects rain.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3.<\/strong><strong>Perform the calculation<\/strong>&nbsp;\u2013 use EN 12056\u001e3 to find the minimum flow capacity. Add a 20 % safety margin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4.<\/strong><strong>Select a product with clear certification<\/strong>&nbsp;\u2013 look for EN 612 compliance and&nbsp;<strong>Qualicoat<\/strong>&nbsp;coating. Ask the supplier for test reports.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5.Check the alloy<\/strong>\u00a0\u2013 prefer\u00a0<strong>6063\u001eT6<\/strong>\u00a0for main structural parts.\u00a0<strong>6063-T5<\/strong>\u00a0is acceptable for non\u001eload profiles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6.Inspect the brackets and seals<\/strong>\u00a0\u2013 make sure they are stainless steel or anodised\u00a0<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>. Check that seals are UV-resistant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>7.<\/strong><strong>Plan the downpipe route<\/strong>&nbsp;\u2013 lead water away from the&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;base. Direct it to a drain or a soakaway.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>8.<\/strong><strong>Hire a professional installer<\/strong>&nbsp;\u2013 correct slope and sealing require skill. A bad installation ruins even the best materials.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>9. Common mistakes to avoid<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Many DIY projects fail because of these errors.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>No slope<\/strong>&nbsp;\u2013 water stays in the&nbsp;<strong>gutter<\/strong>&nbsp;and causes corrosion and weight.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>Only one downpipe<\/strong>&nbsp;\u2013 if it blocks, the roof floods.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>Wrong size<\/strong>&nbsp;\u2013 too small, and water overflows during every storm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>Poor joints<\/strong>&nbsp;\u2013 leaks damage the coating and the frame.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>No expansion gap<\/strong>&nbsp;\u2013 the&nbsp;<strong>gutter<\/strong>&nbsp;buckles or pulls the brackets loose.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>Cheap brackets<\/strong>&nbsp;\u2013 they bend or break under snow or wind.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Avoid these mistakes, and your&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;will last for decades.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>10. Summary and final advice<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">European standards do not give one fixed&nbsp;<strong>gutter<\/strong>&nbsp;size. They give a complete system of rules. The main idea is to design for your specific location and weather.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Remember these key points:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong>Use&nbsp;<strong>EN 612<\/strong>&nbsp;for product quality.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf\u00a0<\/strong>Use\u00a0<strong>EN 12056-3<\/strong>\u00a0for capacity calculation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf\u00a0<\/strong>Use\u00a0<strong>6063-T6<\/strong>\u00a0<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>\u00a0for strength and\u00a0<strong>Qualicoat<\/strong>\u00a0coating for protection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong>Provide slope, two downpipes, overflow, and expansion gaps.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong>Select strong brackets to EN 1462 Class H.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A good&nbsp;<strong>gutter<\/strong>&nbsp;system is not expensive. But a bad one can destroy your&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;and cause accidents. So spend time on the design. Ask your supplier for clear data. Check the compliance marks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">With the right&nbsp;<strong>gutter<\/strong>, your&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;will stay dry, safe, and beautiful for many years. Rain will become a pleasure \u2013 not a problem.<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-03-20260909-1024x768.webp\" alt=\"\" class=\"wp-image-3731\" srcset=\"https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-03-20260909-1024x768.webp 1024w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-03-20260909-300x225.webp 300w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-03-20260909-768x576.webp 768w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-03-20260909-1536x1152.webp 1536w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-03-20260909-16x12.webp 16w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-03-20260909-600x450.webp 600w, https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-03-20260909.webp 1728w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>11. About Alummira \u2013 a reliable supplier<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Choosing the right&nbsp;<strong>gutter<\/strong>&nbsp;system is only half the work. You also need a supplier who can deliver quality products on time.&nbsp;<strong>\u0410\u043b\u0443\u043c\u043c\u0438\u0440\u0430<\/strong>&nbsp;is one such company.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0410\u043b\u0443\u043c\u043c\u0438\u0440\u0430<\/strong>&nbsp;specialises in custom&nbsp;<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>&nbsp;profiles. They have&nbsp;<strong>10 years of experience<\/strong>&nbsp;in&nbsp;<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>&nbsp;extrusion. This means they know how to make strong, precise profiles for&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;systems. Their long history in production gives them deep knowledge of materials, dies, and manufacturing processes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">They also have&nbsp;<strong>7 years of experience<\/strong>&nbsp;in international trade. This is important for buyers outside China. Exporting&nbsp;<strong>\u0430\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/strong>&nbsp;products involves many steps: packaging, shipping, customs clearance, and documentation. A supplier with trade experience handles these steps smoothly. This reduces delays and avoids costly mistakes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For a&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;project, you may need custom&nbsp;<strong>gutter<\/strong>&nbsp;sizes or special profiles.&nbsp;<strong>\u0410\u043b\u0443\u043c\u043c\u0438\u0440\u0430<\/strong>&nbsp;can help. Their production team works with alloys like&nbsp;<strong>6063-T5<\/strong>&nbsp;\u0438&nbsp;<strong>6063-T6<\/strong>. They understand the European standards we discussed earlier. They can produce profiles that meet EN 612 and other requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here are the key benefits of working with&nbsp;<strong>\u0410\u043b\u0443\u043c\u043c\u0438\u0440\u0430<\/strong>:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>10 years in extrusion<\/strong>&nbsp;\u2013 reliable production quality.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>7 years in export<\/strong>&nbsp;\u2013 fast and accurate shipping.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>Custom profiles<\/strong>&nbsp;\u2013 made to your specific design.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25cf<\/strong><strong>&nbsp;<\/strong><strong>Knowledge of standards<\/strong>&nbsp;\u2013 they know EN and BS requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you are looking for a trusted partner for your&nbsp;<strong>\u0431\u0435\u0441\u0435\u0434\u043a\u0430<\/strong>&nbsp;<strong>gutter<\/strong>&nbsp;project, you can contact them directly:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udce7&nbsp;<strong>Email:&nbsp;info@alummira.com<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">They can answer your questions about profiles, coatings, and delivery times. They can also provide samples and technical data sheets.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Here is the English translation of your two Q&amp;A sections:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">FAQ:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Are your products custom or standard?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our products are made of aluminum alloy and are primarily custom-made. If you need standard products, you can send us drawings for consultation, and we will ask our design department to confirm and look for similar aluminum profiles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. What is your production lead time?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After we confirm the aluminum material and surface treatment, the production lead time is generally 15\u201321 days for custom products, and 7\u201315 days for standard products. The exact delivery time will be finalized based on the size of the aluminum profiles and the surface treatment required.<\/p>","protected":false},"excerpt":{"rendered":"<p>A\u00a0pergola\u00a0is a popular outdoor structure. Many people choose\u00a0aluminum\u00a0for its light weight and strong resistance to rust. But a\u00a0pergola\u00a0needs a good drainage system. Without it, rain can cause big problems.<\/p>","protected":false},"author":1,"featured_media":3732,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[66,64],"tags":[],"class_list":["post-3729","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-66","category-64"],"blocksy_meta":[],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909.webp","uagb_featured_image_src":{"full":["https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909.webp",1728,1296,false],"thumbnail":["https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-150x150.webp",150,150,true],"medium":["https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-300x225.webp",300,225,true],"medium_large":["https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-768x576.webp",768,576,true],"large":["https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-1024x768.webp",1024,768,true],"1536x1536":["https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-1536x1152.webp",1536,1152,true],"2048x2048":["https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909.webp",1728,1296,false],"trp-custom-language-flag":["https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-16x12.webp",16,12,true],"woocommerce_archive_thumbnail":["https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-600x800.webp",600,800,true],"woocommerce_thumbnail":["https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-600x600.webp",600,600,true],"woocommerce_single":["https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-600x450.webp",600,450,true],"woocommerce_gallery_thumbnail":["https:\/\/alummira.com\/wp-content\/uploads\/2026\/09\/gutter-02-02-20260909-100x100.webp",100,100,true]},"uagb_author_info":{"display_name":"390570649@qq.com","author_link":"https:\/\/alummira.com\/ru\/author\/390570649qq-com\/"},"uagb_comment_info":0,"uagb_excerpt":"A\u00a0pergola\u00a0is a popular outdoor structure. Many people choose\u00a0aluminum\u00a0for its light weight and strong resistance to rust. But a\u00a0pergola\u00a0needs a good drainage system. Without it, rain can cause big problems.","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/alummira.com\/ru\/wp-json\/wp\/v2\/posts\/3729","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alummira.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alummira.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alummira.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alummira.com\/ru\/wp-json\/wp\/v2\/comments?post=3729"}],"version-history":[{"count":1,"href":"https:\/\/alummira.com\/ru\/wp-json\/wp\/v2\/posts\/3729\/revisions"}],"predecessor-version":[{"id":3733,"href":"https:\/\/alummira.com\/ru\/wp-json\/wp\/v2\/posts\/3729\/revisions\/3733"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alummira.com\/ru\/wp-json\/wp\/v2\/media\/3732"}],"wp:attachment":[{"href":"https:\/\/alummira.com\/ru\/wp-json\/wp\/v2\/media?parent=3729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alummira.com\/ru\/wp-json\/wp\/v2\/categories?post=3729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alummira.com\/ru\/wp-json\/wp\/v2\/tags?post=3729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}