Measure along the length of the house or building and along the width of the house or building in feet.
Green roof sizing.
The first step in a free roofing estimate is measuring the roof dimensions.
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.
You will need to express this size in terms of square feet.
Feet of real estate an estimated 5 9 million square feet.
Divide 100 by the number of downspouts in order to obtain the percentage of water collected from each downspout.
Count the number of downspouts coming from your roof.
We list our calcs and possibly someone can confirm them.
United states department of transportation headquarters washington dc.
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.
Step 1 determine the footprint of your structure f in square feet.
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.
Expectancy of a green roof at 40 years versus 17 for a conventional roof.
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.
The second trussed roof is designed for a dead load of 160kg m 2 and a live load of 40kg m 2.
In the national capital region if green roofs were to replace conventional roofs on all 54 million square.
The venny green roof melbourne.