Roof Eaves Gutter Downpipe Sizing Calculator

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 a depth to width ratio of at least 0 75.

Roof eaves gutter downpipe sizing calculator.

The eaves gutter selected is quad spouting with an effective cross sectional area of 6125mm 2 installed with a slope of 1 500. This wizard makes it easy to calculate the roof design area by providing various shape calculations and the calculation for vertical walls area per international plumbing code ipc. 15 m is a practical maximum gutter length to be served by a downspout. To limit the effects of thermal expansion in gutters 50 ft.

Learn more how to storm water design for building sites. There is no limit to downpipe size or eaves gutter size. The code limit is 150mm for dp s and 26 800 sq mm for flat eaves gutters the program will calculate the size and number of downpipes downspouts leaders required and the eaves gutter sizes for any roof. Downpipe eaves gutter long straight eaves gutters box gutter to rain water head box gutter vertical faces box gutter side o flow box gutter vertical o flow storm water pipe size storm water network overland flow path spitter upstream end custom rain water head.

This program will calculate the size of eaves gutters and the number of downpipes required for roof drainage.