Roof Area Data

Equals 32 6 or 33 drains required.

Roof area data.

The base width is the distance from one corner of your roof to the other at its base on the short side of your house. 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. 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.

Determine rate of rainfall for this example use 4. Divided by the 4 600 sq. 2 estimate the roof drain outlet size you will likely use. You should of course see the manufacturer provided technical data sheet for the r value of specific products.

R value of various materials. 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. 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. Divide total roof area by area found in step 3 to obtain the number of drains required example.

Total roof area 500 by 200 100 000 sq. For a very good introductory overview article on r value see r values over at the website of. From table 1 one 4 leader at 4 rate of rainfall will take care of 3 460 sq. Roof area is 200 x 500 100 000 sq.

After studying building plan and physical arrangement assume that 4 leaders are required for this project. Below to obtain roof area that can be handled by each leader. Our roof calculator uses base length and base width to find the estimated area. Number of roof.

4 roof drain 3 determine your building s location on the above map to determine the approximate rainfall as measured in inches per hour.