http://www.prettygreatanswers.com/articles/RoofingQuestions http://www.prettygreatanswers.com/rss/RoofingQuestions.xml Roofing Questions from PrettyGreatAnswers.com http://creativecommons.org/licenses/by-nc-nd/2.0/ There are different types of roofs that are widely used in home building. These are: • Asphalt composite shingles - The most popular roofing type in the United States. The shingles are made of asphaltcovered with ceramic granules. This type carries different classes of fire ratings, making it one o Sun, 23 Jul 2006 17:58:58 -0400 http://www.prettygreatanswers.com/launch/23-07-2006What-are-the-different-types-of-roofs.htm http://www.prettygreatanswers.com/launch/23-07-2006What-are-the-different-types-of-roofs.htm All of these types of roofs have their own advantages, mainly due to the type of materialused. Here are the advantages of each roof type: • Asphalt composite shingles are relatively low cost and have a long life expectancy. They can also be fire-resistant, depending on the class rating. Most of the Sun, 23 Jul 2006 17:58:58 -0400 http://www.prettygreatanswers.com/launch/23-07-2006What-are-the-advantages-of-the-different-types-of-roofs.htm http://www.prettygreatanswers.com/launch/23-07-2006What-are-the-advantages-of-the-different-types-of-roofs.htm There are several factors that affect the performance of roofs. The most common factors are environmental: • The heat and ultraviolet rays that come from the suncause roofing materials to deteriorate. • When rain water finds its way beneath the roofing material, it may penetrate to the roof deck, Sun, 23 Jul 2006 17:58:58 -0400 http://www.prettygreatanswers.com/launch/23-07-2006What-are-the-principal-causes-of-leaking-roofs.htm http://www.prettygreatanswers.com/launch/23-07-2006What-are-the-principal-causes-of-leaking-roofs.htm Underlayment is a rubberized covering that goes under the shingles to prevent water from penetrating the inner structure. It is designed to be waterproof. Without this underlayment, water can easily penetrate beneath the shingles and cause severe damage to the roof structure, and much worse, the ins Sun, 23 Jul 2006 17:58:58 -0400 http://www.prettygreatanswers.com/launch/23-07-2006What-is-roofing-underlayment.htm http://www.prettygreatanswers.com/launch/23-07-2006What-is-roofing-underlayment.htm Flashing is a type of protection placed around objects protruding from the roof of a house or building. Examples of these protruding objects are pipes and chimneys. Flashing deflects water away from the seams of the roofing material. There are two types of flashing: metal and rubber. Rubber flashin Sun, 23 Jul 2006 17:58:58 -0400 http://www.prettygreatanswers.com/launch/23-07-2006What-is-roof-flashing.htm http://www.prettygreatanswers.com/launch/23-07-2006What-is-roof-flashing.htm Everything here is © Pretty Great, Copyright 2006, All Rights Reserved.