Size Of Gutter For Roofing

Box gutter with rain water head at end of box gutter.

Size of gutter for roofing.

Correctly matching the size and style of a gutter to your house requires careful. If a roof s various drainage areas call for different size gutters go for the biggest one k style. Each gutter style comes in two sizes and each has the capacity to move a specific amount of water from your roof. Roof pitch matters when you re considering the size of your future gutters.

Hold one end of the level against the roof level it and then measure the distance between the roof and the underside of the level at its midpoint which gives you a 12 inch run. While a certain shape and size may come to mind when you think about gutters these water bearing troughs can be many different shapes and sizes. Then use the information below to see what size gutter you need. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.

Then use the chart below to see what size gutter you need. You can measure pitch with a 2 foot level and a tape measure. 5 inch 5 520 square feet. The steeper a roof s pitch the more windblown rain it can collect.

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. 6 inch 7 960 square feet. 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.