Roof Area Data

Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials.

Roof area data.

Divide total roof area by area found in step 3 to obtain the number of drains required example. Eagleview has spent the last 20 years pushing the boundaries of image capture and analysis. 1 calculate the roof area to be drained. 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. 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. For a very good introductory overview article on r value see r values over at the website of. 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.

Our roof calculator uses base length and base width to find the estimated area. From table 1 one 4 leader at 4 rate of rainfall will take care of 3 460 sq. 2 estimate the roof drain outlet size you will likely use. Determine rate of rainfall for this example use 4.

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. Area is defined as the expanse or measurement of a given surface and there are a few methods for measuring your roof s area. 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.

Total roof area 500 by 200 100 000 sq. R value of various materials. Equals 32 6 or 33 drains required. Divided by the 4 600 sq.

Below to obtain roof area that can be handled by each leader.