Steep-Slope Roofs

Useful Links:

1. General: For an informative general article about various roof systems, see this page at the Whole Building Design Guide site, which is maintained by the National Institute of Building Sciences.

2. General: How to determine the area of a steep-slope roof: see this page

3. Roof Slope Expressed as Rise/Run, in Degrees, and as Percentage

4. Inspection of asphalt shingle roofs: ROOFER: Steep Roofing Inventory Procedures and Inspection and Distress Manual for Asphalt Shingle Roofs is an extremely detailed and valuable resource put together by the US Army Corps of Engineers' Engineer Research and Development Center.