Gutter Sizing Australia

5 inch 5 520 square feet.

Gutter sizing australia. The total rainfall and how rapidly it falls will affect the runoff from the roof. Gather some basic weather information to calculate the proper size for gutters and downspouts for a house. The eaves gutter selected is quad spouting with an effective cross sectional area of 6125mm 2 installed with a slope of 1 500. However too large a gutter downspout can look unattractive.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. An inch of rain is not much but it if falls in half an hour it could flood a gutter. If a roof s various drainage areas call for different size gutters go for the biggest one k style. Downspouts also come in different sizes such as 2 3 inches and 3 4 inches in size.

You can choose a downpipe size and calculate the number required and the corresponding eaves gutter size. Select eaves gutter and gutter slope. The larger a gutter downspout the more water it can drain quickly. Stratco gutters are designed to minimise the risk from serious water damage to the building making stratco guttering a wise investment.

Gutter sizes for a half round gutter are 5 to 6 inches in width. Total roof area also affects runoff. 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.

Then use the chart below to see what size gutter you need. When you are completing a gutter replacement the first point to note is that gutters come in different sizes. To use the gdo calculator enter information about the location roof design and types of overflow measures. 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.

5 inch 5 520 square feet. They can be 4 5 or 6 inches. Gutter downspout sizes are 3 to 6 inches. If a roof s various drainage areas call for different size gutters go for the biggest one k style.

Then use the information below to see what size gutter you need. Most downspouts are rectangular but they can also be round or square. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.