What is in an asphalt shingle?

What is in an asphalt shingle?

Asphalt shingles are made of a base mat, a layer of waterproof asphalt, and a layer of ceramic granules on the top to protect the shingle from UV rays. There are two types of asphalt shingles: fiberglass and organic.

Is shingle the same as asphalt?

The terms “asphalt” shingle and “composition” shingle are general terms for the same thing. The mat, asphalt and granules act together to form a durable, flexible and waterproof assembly. In the past, shingles were also manufactured using mats made of cellulose-based materials, and these are called “organic” shingles.

Where is asphalt shingles used?

Asphalt shingles remain the dominant roofing option in North America, and they are found on roofs in scores of countries around the world. Regardless of color or style, they are all manufactured in basically the same way in a continuous web process, using a short list of key raw materials.

How many years do asphalt shingles last?

Vented properly and installed correctly, you should get around 80-85% of the life span out of an asphalt roof. That means you can expect to get about 20-22 years out of your 3-tab shingle roof and 25-28 years out of your dimensional shingles.

Are asphalt shingles durable?

Asphalt shingles will last for about 15–30 years. They are, far and away, the most popular roofing material because of their cost effectiveness. When it comes to durability, though, be careful. Never choose the cheapest asphalt shingles, even if cost is a major issue for you.

What is the difference between 20 year and 30 year shingles?

20-year shingles are lighter than 30-year shingles, which are 50% heavier. 3-tab shingles are made using much less material than architectural shingles and are more susceptible to come off and get damaged under high wind conditions.

Are asphalt shingles architectural?

Asphalt shingles are made from fiberglass layered between asphalt and ceramic covered granules. Two of the most common varieties are architectural and three-tab shingles. If you are a new homeowner or renovating your roof on a budget, these are two options that may be worth your while.

Why do shingles curl?

Both curling and buckling are most often caused by moisture of your roof decking or underlayment. Buckling shingles appear as if they are being pushed upward from beneath. Curling shingles have turned up edges, making the central part of the shingle look like it is sinking (a concave shape).

Why are asphalt shingles good?

Asphalt shingles are popular because they blend looks, longevity, and a reasonable price, and they’re typically the easiest to install, saving you money on labor costs as well. Specialty roofing materials like slate, tile, or metal tend to cost much more, but they can also last much longer—and they look nicer.

Why are asphalt shingles the best?

Asphalt shingles are known for their durability. They are durable enough that they do not require extensive regular maintenance like other roofing materials will often need. Most types are resistant to extreme temperatures, winds, fire, and ice.