Total roof area 500 by 200 100 000 sq.
Roof area data.
After studying building plan and physical arrangement assume that 4 leaders are required for this project.
4 roof drain 3 determine your building s location on the above map to determine the approximate rainfall as measured in inches per hour.
Below to obtain roof area that can be handled by each leader.
Eagleview has spent the last 20 years pushing the boundaries of image capture and analysis.
Roof area is 200 x 500 100 000 sq.
By experimenting with different aircraft camera systems and applying computer vision we continue to produce the highest resolution imagery available in the market today so we can exceed any customer requirement.
R value of various materials.
Determine rate of rainfall for this example use 4.
Divided by the 4 600 sq.
For a very good introductory overview article on r value see r values over at the website of.
Equals 32 6 or 33 drains required.
2 estimate the roof drain outlet size you will likely use.
From table 1 one 4 leader at 4 rate of rainfall will take care of 3 460 sq.
Area is defined as the expanse or measurement of a given surface and there are a few methods for measuring your roof s area.
Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials.
1 calculate the roof area to be drained.
You should of course see the manufacturer provided technical data sheet for the r value of specific products.
Us demand for residential roofing products is forecast to advance 4 0 percent per year to 147 million squares in 2020 valued at 10 4 billion.
Our roof calculator uses base length and base width to find the estimated area.
There are currently over 50 000 establishments engaged in the installation roofing siding and sheet metal work valued at a total of 31 4 billion.
Number of roof.