How To Size Box Gutters

5 inch 5 520 square feet.

How to size box gutters.

Calculate the necessary scaling factors to scale these dimensions to the flow we want. If the adjusted square footage is equal to or less than 2 500 feet 760 m choose 5 in 13 cm half round gutters. Sizes the depth shown of the box gutter is the depth at the upstream end. Must have a constant slope between 1 40 and 1 200.

Then use the information below to see what size gutter you need. 6 inch 7 960 square feet. Sides must be vertical. Then use the chart below to see what size gutter you need.

Gutters come in k style and half round style. If a roof s various drainage areas call for different size gutters go for the biggest one k style. Choose the size that corresponds with the adjusted 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. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. While a smaller commercial building might be able to get away with 5 inch box gutters we generally recommend that you start by looking at the 6 inch sizes. For example by going up to a 6 inch from a 5 you are increasing the amount of water the gutters can hold by 40.

Down pipe must be vertical from sump not to the side minimum sump length is 400mm. 6 inch 7 960 square feet. If a roof s various drainage areas call for different size gutters go for the biggest one k style.