Roof Gutter Design

The design of gutter and downspout assemblies is an area of building design which demands special attention.

Roof gutter design.

Five inch k style gutters or 6 inch half rounds the most common residential sizes are able to handle the rainfall on most houses in most parts of the country. Choose the 10 year frequency 5 minute rainfall see chart 1. Unfortunately figuring the right sizes of the gutters and downspouts for your roof involves some head banging mathematical formulas. Record this on line 1 of worksheet 1.

The previous programs and also the code work out the most economical combination of gutter and dp. Gutters come in all shapes colors and prices so you can easily find a match for your style of house and budget. Jan 20 2015 explore angelica muhi jarabe s board gutter design on pinterest. It has rainfall intensities for major australian towns but any intensity can be used.

Box gutter with rain water head at end of box gutter. Enter the dp size and find the number required or enter the number of dp s and find the size required. 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. Leaking gutters and downspouts can cause serious damage to a building s interior as well as exterior and repairs can be expensive.

For animal waste management use the 25 year frequency 5 minute rainfall. Wp56 the optimum sizing of gutters for domestic roofwater harvesting 2 1 introduction gutters are an almost essential but relatively cheap part of a roof water harvesting rwh system. Henry 887 tropi cool 100 silicone white roof coating henry 887 tropi cool 100 silicone white roof coating is a premium 100 silicone moisture cure coating designed to reflect the sun s heat and uv rays as well as protect many types of roofs. That is when the maximum capacity of the gutter equals the max capacity of the downpipe.

It is based on the australian plumbing code as nzs 3500 3. Roof gutter design instructions 1. Label roof or roof segments and calculate roof area. See more ideas about downspout gutter gutters.

Find the size and number of downpipes spouts required for any size roof and the size of the associated eaves gutter.