Green Roof Sizing

We have never done a green roof and have only briefly read up on them in the past but if your calculations are correct it would appear that you have a dead load of 0 85kn m2.

Green roof sizing.

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. Photo by andrew wutke. Square foot 18lbs x 10 763 193lbs metre square 87 3kg ms 0 85kn m2. 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.

In the national capital region if green roofs were to replace conventional roofs on all 54 million square. United states department of transportation headquarters washington dc. Feet of real estate an estimated 5 9 million square feet. Multiply the two figures together to obtain the square footage of your roof step 2 determine the percentage of water collected from each downspout p.

We list our calcs and possibly someone can confirm them. Count the number of downspouts coming from your roof. Divide 100 by the number of downspouts in order to obtain the percentage of water collected from each downspout. Step 1 determine the footprint of your structure f in square feet.

Measure along the length of the house or building and along the width of the house or building in feet. Expectancy of a green roof at 40 years versus 17 for a conventional roof. 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. The venny green roof melbourne.

The first step in a free roofing estimate is measuring the roof dimensions.