Green Roof Sizing

Measure along the length of the house or building and along the width of the house or building in feet.

Green roof sizing.

The venny green roof melbourne. The first step in a free roofing estimate is measuring the roof dimensions. We list our calcs and possibly someone can confirm them. You will need to express this size in terms of square feet.

Photo by andrew wutke. The green roof energy calculator is an online tool that allows users to compare the annual energy performance of a building with a vegetative green roof to the same building with either a dark roof or a white roof. Feet of real estate an estimated 5 9 million square feet. Step 1 determine the footprint of your structure f in square feet.

Square foot 18lbs x 10 763 193lbs metre square 87 3kg ms 0 85kn m2. The venny green roof has shallow substrates on two types of roof the first roof is on shipping containers and is designed for a dead load of 250kg m 2 and live load of 100kg m 2. The second trussed roof is designed for a dead load of 160kg m 2 and a live load of 40kg m 2. Divide 100 by the number of downspouts in order to obtain the percentage of water collected from each downspout.

Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure. Expectancy of a green roof at 40 years versus 17 for a conventional roof. Simulations are available for new construction ashrae 90 1 2004 and old construction pre ashrae 90 1 2004 office and residential buildings driven by typical precipitation and. United states department of transportation headquarters washington dc.

Count the number of downspouts coming from your roof.