Asphalt shingles are a popular choice of material for roofing. They are inexpensive, durable, and easy to work with and maintain. Glass fiber ones are the most common choice because they are cheap. These have a mat covered with a layer of glass fiber under the asphalt. The asphalt is mixed with fillers to adhere to the glass fiber easier. Ceramic granules, placed next, protect the shingles from heat. The gravel also provides different styles and colors for the buyer. Another more expensive type is the organic variety, which has no filler. They are made of felt coated with asphalt and ceramic granules to make it waterproof. Although organic shingles cost more, they are heavier because of the greater density and will resist the elements better. However, glass fiber asphalt shingles are easier to make and are most cost effective.
A square foot will cost less than a dollar. This will make repairing a roof very cheap. People love to work with this type of material because it is durable and their hail rating is very high; some are class IV, the highest score around. Most asphalt shingles will last around 20 years, depending on the location of the roof. Extreme temperatures of heat or freezing will affect the lifespan of the shingles, as well as weather like hail, snow, rain, and how quickly the temperatures change throughout the day. Shingles expand and contract with the temperatures, so if there is a sudden temperature drop or rise, cracks may occur, damaging the shingle. Proper attic ventilation is recommended to extend the life of the shingles. Water also damages asphalt shingles, so sloped roofs are recommended to direct the water from rain or melting snow off the roof.
There are a few types of asphalt shingles. There is the 3-tab shingle, the cut out shingle, the T-lock or interlocking shingle, and the angle-lap shingle. The 3-tab shingle is made so that if lifted by wind, only one part of the shingle will lift without lifting the whole shingle and risking it flying off. They are lighter and cheaper than dimensional shingles, which offer more wind resistance. The interlocking shingles also offer more wind resistance since they interlock with each other in patterns and nailed overlapping each other. Angle-lap shingles and cut-out shingles have a different appearance and offer different benefits. There are also asphalt shingles that mimic more expensive types of shingles such as slate or clay tile. Buying asphalt shingles instead of these can save the buyer money without skimping on quality. Asphalt shingles are a smart buy and protect the home from the elements, which is what a good roof should do.
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