Gutter Downpipe Sizes

Gutter sizes for a half round gutter are 5 to 6 inches in width.

Gutter downpipe sizes. Downspout sizes must not exceed the bottom width of the gutter. Table 1 2 based on records through 1978 gives five minute intensities for selected cities. Use the downspout to redirect runoff and help prevent garden erosion and foundation damage. If a roof s various drainage areas call for different size gutters go for the biggest one k style.

However too large a gutter downspout can look unattractive. Select 100 x 50 rectangular downpipe. 5 inch 5 520 square feet. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.

From table 3 3 in as nzs 3500 3 the minimum size downpipes compatible with spouting of 6125mm 2 cross sectional area installed at a 1 500 gradient are 90mm diameter round or 100 x 50 rectangular. Pvc rain gutter is more cost effective when compared to metal and is easier to install than metal. Most downspouts are rectangular but they can also be round or square. Floplast down pipe 68mm x 2 5m black 6 pack 19350 product rating 4 2 out of 5 stars compare.

5 inches and 6 inches gutters are the most common sizes installed for residential use. Now that we are well aware of the various gutter downspout sizes and styles let us dig deeper into the materials used for effective downspouts and how much they shall cost. The capacity of a sloped rectangular gutter may be approximated by using a gutter cross section area not less than that of a semicircular gutter and. With a large range of sizes there is a stratco downpipe for any requirement from minor drainage to large factory projects.

Note that a minimum gradient of 1 500 is preferred. To limit the effects of thermal expansion in gutters 50 ft. Gutters and gutter downspout sizes gutters are typically round shape or k style but other designs are available. Compatible with 2 in.

More product details close. The larger a gutter downspout the more water it can drain quickly. Gutter downspout sizes are 3 to 6 inches. They are made from aluminum vinyl zinc copper or stee l.

Choose from round square or rectangular spouting. Proper gutter and downspout sizing rainfall intensity downspout capacity rainfall intensity is usually given in inches per hour for a five minute duration or one hour duration based on u s. New orleans los angeles for example. Metal or vinyl downspouts this versatile downspout has a lifetime guarantee.

Then use the information below to see what size gutter you need. This durable downspout is maintenance free and has uv stabilizers to help prevent uv light degradation. Stratco offer a wide range of downpipes and spouts for any domestic roofing or commercial application.