What are Roofing Shingles Made of?
Roofing shingles on thousands of houses across the nation are made using a limited number of key materials. The most common shingle type is a fiber-cement shingle.
The end product of oil refining is roofing asphalt. It is similar to the asphalt that's used on roads, but has been formulated for a higher degree in toughness. Manufacturers increase its thickness by blowing in air – this is known as "oxidizing" – while adding a mineral dust to enhance weather resistance.
Asphalt
Asphalt shingles come in a variety of styles and textures. They are resistant to wind, fire and water. The shingles are available in different textures and styles, which offer a range of options.
Asphalt shingles can be made with organic or fiberglass materials. The surface is coated on both surfaces with an asphalt layer, while the back side (also known by the name "backside") is coated using opaque ceramic-coated minerals granules. The surfacing can be found in a range of colors. It helps prevent the growth of algae on roofing surfaces.
The granules may also be used as a way to enhance the color of the roof or to increase its resistance against water intrusion. They are fused in order to form a durable, strong roofing shingle. This roofing material is designed to withstand pressure from heavy snowfalls and winds. The result is a roof which is resistant and attractive. These shingles will cost more than the standard three tab or architectural shingles. But they are better looking and have a longer life.
Fiberglass Mat
Fiberglass roof shingles are lightweight and durable. They come in an array of colors. Easy-to-install, they are a great option for DIYers to save money.
Fiberglass mats are made from chopped fiberglass fibers that have then been woven and are bound together by styrene. The material has been designed to work with polyester or vinyl ester resins. Epoxy and acrylic resins are not compatible.
The mat is coated by an asphalt-mineral "filler" mixture that increases the weather resistant of the roofing tile. This material improves the overall durability of shingles and increases their resistance to fire. The shingles have ceramic granules applied to give them color and texture.
Mineral Granules
The speckled, almost sparkling sand-like grains you see on the roof are not purely for aesthetics. These granules are important because they allow water to flow off asphalt shingles.
During the manufacturing, mineral granules will be adhered to shingles' surface after they have been saturated with asphalt. Asphalt is made from either natural deposits, or the end product of oil refining. It's then oxidized through the use of air, increasing its viscosity for roofing shingles.
The granules have a range of colors and material to meet different needs. For instance, there are algae-resistant materials that inhibit the growth black streaking of algae on shingle surfaces. Other granules help reduce smog emissions and comply with energy efficiency codes for buildings in some areas. These granules can also improve the look of roofs due to their vibrant color. Backsurfacing Sand is a washed down and finely grained form of limestone that prevents packaged shingles to stick together during transport and storage.
Back Surfacing
The "back surfacing" is the coating on the back of each shingle. It helps to keep them from sticking when manufacturing, packing, and shipping. It's also a flame retardant which helps them achieve Class A ratings for fire-resistant shingles.
This coating will be applied after the mat of fiberglass and granules has been layered. It enhances shingle weather resistance and acts as a main waterproofing element. The aerated tar blend is designed to last and perform well in different roofing conditions, including wind, temperature, and other factors. Some roofing contractors will even provide impact-resistant roof shingles for residents who live in regions prone to severe weather. These shingles increase the value of your home, while protecting it.
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Roofing shingles on thousands of houses across the nation are made using a limited number of key materials. The most common shingle type is a fiber-cement shingle. The end product of oil refining is roofing asphalt. It is similar to the asphalt that's used on roads, but has been formulated for a higher degree in…