Standard Gutter Dimensions

This building has a parapet wall on three sides and a gutter to be located on an 80 ft 24 4 m side.

Standard gutter dimensions.

A k style gutter in the same inch width can handle twice as much water as a half round gutter. K style gutters are the most common option and they provide optimum drainage for the majority of homes in most of the u s. If a roof s various drainage areas call for different size gutters go for the biggest one k style. 5 inch 5 520 square feet.

Practically speaking though a common gutter size is usually selected and downspout spacing is equal for most buildings. Common in half round gutters the 6 inch isn t the largest size gutter available but for most homes it does the job. Measure your gutter across the top from the back where the gutter meets the home to the outer edge. K style sizes will typically range from 5 to 6.

Gutters come in different sizes gutters come in different sizes. Then use the chart below to see what size gutter you need. They come in 5 inch to 6 inch widths. The second most common style of downspouts in urban homes is the rectangular downspout coming under a range of sizes such as 2 3 3 4 and 4 5.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. It also comes in sizes 2 3 and 3 4. See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches. Stratco gutters are designed to minimise the risk from serious water damage to the building making stratco guttering a wise investment.

Sample problem to size a half round gutter for a build ing located in kansas city mo with a flat roof 80 x 40 ft 24 4 x 12 2 m. 7 and greater are appropriate for churches and larger commercial buildings. Most times these style gutters are installed with rectangular downspouts. The required width of gutter is therefore 6 in 152 mm and its depth need be only 4 5 in 114 mm in.

6 inch 7 960 square feet. 5 inch standard k style gutter shop 5 gutterbrush. Downspouts also come in different sizes such as 2 3 inches and 3 4 inches in size. As a general rule egutter recommends for roof areas that exceed 2800 square feet a 6 k style size with a 3 x 4 downspout size would be appropriate.

If you are worried you will need a larger gutter than the standard 6 inch it s important to talk to your roofer about your maximum rainfall intensity the pitch of your roof and the drainage area square footage. This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system. Continuing with our example in the last step we know our gutter downspout system may be subject to as much as 1 880 gallons per minute.