Tuesday, April 20, 2010

Differences between Fiberglass and Organic Asphalt Shingles

The most popular choice in roofing material is the asphalt shingle. They are very popular because of many reasons.

According to the research carried out, asphalt shingles are used by 75% of house owners in America. These shingles are so very popular because they are available in various price ranges and are also available in a variety of sizes. The warranty period is also very extended. It is 20-40 years!

Asphalt roofing shingles are available in various types. One of them is the fiberglass based, mat based roof shingles and the other type is the organic based, mat based shingles.

Fiberglass shingles


Fiber glass shingles are light weight. They appear thinner too. It is so because their backing has been made from fiberglass which is a light and thin martial. A typical asphalt shingle bundle can weigh anywhere between 70 to 140 lbs.

There are usually 3 bundles of shingles for each square, i.e. 100 sq feet of each square. Thus the lightweight fiberglass shingles are easier for the roofer to carry up the ladder. Another added benefit is that they are more fire resistant and the warranty offered is also for a longer period as compared to organic shingles.

Organic shingles


The organic based, mat based shingles are very heavy and their finish is not as smooth as fiber based shingles. The mat of the organic based shingles is made from asphalt and felt paper. They become heavier because in a fiber glass shingle, less asphalt is used whereas in organic shingles more asphalt is used, and asphalt makes them heavy.

On the other hand organic based shingles are more flexible but they are more water absorbing in nature and thus have a tendency to wrap after a certain period. Because of these reasons, fiberglass shingles are more popular in the central and southern parts of the USA. The organic shingles are more popular in the northern part of the USA.

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