Roof Area Data

Determine rate of rainfall for this example use 4.

Roof area data.

You should of course see the manufacturer provided technical data sheet for the r value of specific products. 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. 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. Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials.

Roof area is 200 x 500 100 000 sq. 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. For a 4 hourly rainfall and 4 leader each drain can handle 4 600 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. Equals 32 6 or 33 drains required. 2 estimate the roof drain outlet size you will likely use. Eagleview has spent the last 20 years pushing the boundaries of image capture and analysis.

After studying building plan and physical arrangement assume that 4 leaders are required for this project. Our roof calculator uses base length and base width to find the estimated area. 1 calculate the roof area to be drained. Area is defined as the expanse or measurement of a given surface and there are a few methods for measuring your roof s area.

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. Divided by the 4 600 sq. 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.

From table 1 one 4 leader at 4 rate of rainfall will take care of 3 460 sq.