Roofing Knowledge Base http://www.roofing.com/resources/ 2008-05-15T20:52:06+00:00 Roofing Knowledge Base http://www.roofing.com/resources/ http://www.roofing.com/resources/lib/images/favicon.ico text/html 2008-01-29T04:40:11+00:00 japoax Roofing Knowledge Base http://www.roofing.com/resources/knowledge_base?rev=1201581611&do=diff General Information * Frequently Asked Questions * Tips and Guidelines * Tools Roofing Glossary * A - D * E - H * I - L * M - P * Q - T * U - X * Y - Z Useful Links * Roofing on Wikipedia - Roof and roofing facts from Wikipedia, The Free Encyclopedia. text/html 2007-08-09T00:56:35+00:00 ditchx Roofing Glossary: A to D http://www.roofing.com/resources/glossary/a-d?rev=1186620995&do=diff A Abrasion resistance * the ability to resist being worn away by contact with another moving, abrasive surface, such as foot traffic, mechanical equipment, wind-blown particles, etc. Aggregate * Crushed stone, crushed slag, or water-worn gravel used for surfacing a built-up roof; * Any granular mineral material. text/html 2007-07-31T05:03:36+00:00 japoax Roofing Tips and Guidelines http://www.roofing.com/resources/tips?rev=1185858216&do=diff * Shake Shingle * Asphalt Shingles * Flashing Requirements * Reroofing Guidelines * Common Roofing Mistakes * Roof Life * Factors Affecting Roofs * How to Inspect a roof * How much does it cost to replace a roof * Slate Roof text/html 2007-07-31T04:38:07+00:00 japoax Frequently Asked Questions - created http://www.roofing.com/resources/faqs?rev=1185856687&do=diff * What are the steps involved in the removal and replacement of damaged shingles? * Why is ventilation so important? * Why is my roof leaking? * Why do different shingle types carry different warranties? * Why are there sections of my roof where the shingles are buckling or puckering? text/html 2007-07-31T04:20:15+00:00 japoax Roofing Glossary http://www.roofing.com/resources/glossary?rev=1185855615&do=diff * A to D * E to H * I to L * M to P * Q to T * U to X * Y to Z text/html 2007-07-31T04:17:23+00:00 japoax Roofing Glossary: Y to Z - created http://www.roofing.com/resources/glossary/y-z?rev=1185855443&do=diff Y Z text/html 2007-07-31T04:11:17+00:00 japoax Roofing Glossary: U to X - created http://www.roofing.com/resources/glossary/u-x?rev=1185855077&do=diff U Underlayment * an asphalt-saturated felt or other sheet material (may be self-adhering) installed between the roof deck and roof covering, usually used in a steep-slope roof construction. Underlayment is primarily used to separate the roof covering from the roof deck, shed water and provide secondary weather protection for the roof area of the building.