Asphalt Shingles

Supply and Install of Asphalt Shingles

Economical to produce, relatively easy to install and widely available, asphalt shingles are today’s most popular roofing material—not only because they are low cost, but also because their guaranteed life span pits them favourably against competitors.

The Basics

Asphalt shingles come in two varieties: Fiberglass and organic.

Fiberglass shingles are made of a woven fiberglass base mat, covered with a waterproof asphalt coating, and topped with ceramic granules that shield the product from harmful UV rays. Because of the composition of the fiberglass mat, less asphalt is needed to give the shingles their durability and strength. The result is a lighter weight and thinner roofing material. Fiberglass shingles also have a higher fire rating than organic varieties and generally carry a longer warranty. Fiberglass shingles were developed in the 1980s, but have quickly become the roofing material of choice for most homeowners and contractors today.

The traditional organic mat-based shingles are made from a recycled layer of felt paper, asphalt-saturated for waterproofing, and coated with adhesive asphalt into which the ceramic granules are embedded. With 40 percent more asphalt than their fiberglass counterparts, the traditional organic mat-based shingles are heavier, thicker and more costly. While organic shingles are considered more rugged and more flexible, they are also more absorbent and can warp over time. The additional asphalt content also makes them less environmentally friendly.

Shingle Types

Regardless of whether they are fiberglass- or organic-based, asphalt shingles generally measure 300mm by 900mm and are commonly manufactured in two different types:

Three-tab shingles are distinguished by cut outs—tabs—made along their long lower edge. The result, is that “each shingle looks like three separate pieces when installed, but it’s only one.” Three-tab shingles have been around a long time and are still the most economical and most popular shingle today.

Architectural asphalt shingles contain no cut outs, but their lower portions are laminated with an additional asphalt layer. This creates the contoured, dimensional look that gives them their name. Asphalt sealant bonds the layers, reinforcing the shingles’ waterproof capability. Though durable, architectural shingles are not recommended for low-sloping roofs, which are more vulnerable to wind-driven rain.

Style & Colour

Installed properly, asphalt shingles are no longer easy to identify. Why? Some are made to convincingly mimic the look of slate, wood shakes or even tile. And shingle shapes can be similarly varied; consider the scalloped-edge tabs that complement Victorian architecture or the square, slate-like shingles perfectly suited for Colonial homes.

Colour choices are more varied than ever, depending on your taste and the style of your home. You’ll generally find tones ranging from pale grey, medium grey and dark grey to beige, reddish and medium brown to dark brown, plus shades of blue and blue green. There are also variegated looks achieved by mixing light and dark tones skilfully, plus weathered looks designed to make a new roof-look suit a vintage house. There are interactive tools online that can help you “try on” colours and styles to find the asphalt shingle best suited to your home.

asphaltt-colour-chart

 


 

 

 

 

 

 

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