Standard Rain Gutter Dimensions

The gutter outlet capacity should suit the downspout capacity.

Standard rain gutter dimensions.

Simplified suitable for flattish roofs with little or no vertical faces or steep roofs draining to one side of box gutter only or any roof if you are in a hurry and make the necessary allowances for all catchments. Gutters come in different sizes. Furthermore the standard norm for gutters among many in the rain carrying industry is to allow 1 square inch of outlet opening in the gutter for every 100 square feet of roof area being drained. Box gutter with rain water head at end of box gutter.

5 inch 5 520 square feet. A standard 5 inch k style gutter can handle annual rainfall for a majority of houses in most of the u s. Residential sizing samples are available to check the optimal fit but in most cases the 5 half round gutter requires standard gutterbrush for 5 gutters 4 25 dia while the 6 half round gutter requires oversized gutterbrush for 6 gutters 5 25 dia. Common in half round gutters the 6 inch isn t the largest size gutter available but for most homes it does the job.

A steep pitched. Then use the chart below to see what size gutter you need. 6 inch 7 960 square feet. They can be 4 5 or 6 inches.

Gutters come in different sizes. Downspout sizes must not exceed the bottom width of the gutter. Roof slope rainwater must not overrun the front edge of the gutter. According to this old house while 5 inch k style gutters and 6 inch half rounds are usually suitable for homes houses with big steep roofs or those located.

The type of gutters you buy and the size of the gutter pieces you buy should be able to handle all the rain your home gets in a year. You can also add additional or oversized downspouts to improve drainage if necessary. If a roof s various drainage areas call for different size gutters go for the biggest one k style. If a roof s various drainage areas call for different size gutters go for the biggest one k style.

Gutter down spouts gutter downspout dimensions gutter downspout installation gutter downspout sizes rain gutter sizes standard downspout dimensions types of gutter size 0 comments. 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. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. 5 inch 5 520 square feet.

By admin july 15th 2016 categories. The size of the downspout should be constant through out its length. Downspouts also come in different sizes such as 2 3 inches and 3 4 inches in size. Offset of more than 10 ft 3 0 m can affect drainage capacity.