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Architectural shingles have a unique visual appearance. Instead of a running row pattern that is observed with 3-tab shingles, architectural shingles have a cedar shake texture appearance that give a more dramatic look to a home. Architectural shingles are also excellent for hiding roof imperfections due to their textured look. Many home builders prefer to use them today due to this benefit alone.  In addition, from some builders’ perspectives, architectural shingles are also easier to install then 3-tab shingles.

Architectural shingles are also excellent for more complicated and higher end roof lines, such as hip roofs, or roofs that include turrets and gables.

Architectural shingles come in many colors, textures and patterns. Some architectural shingles are designed to replicate the look of slate shingles or cedar wood shakes, but without the same high cost, heavy weight or susceptibility to insect damage.

Due to the heavier mat base, architectural shingles are heavier than standard 3-tab shingles, thus making them less susceptible to curling and wind damage. Some higher end architectural shingles are rated for winds up to 120mph.

Typically 3-tab shingles weight about 240 lbs per square, where as an architectural shingle square can weigh 100 to 200 lbs more.

Architectural shingles that have heavy coats of granules are also highly fire resistant.

Algae Resistant Architectural Shingles

When looking for architectural shingles make sure you select ones that are algae resistant. This is particularly important for north facing roofs with light color shingles and in high humidity areas. Early on architectural shingles had a susceptibility to algae and you typically would see black algae streaks running down the roof lines. Fortunately most types today are algae resistant. Most architectural shingles that are manufactured today are coated with zinc or copper granules which help to prevent algae growth.

Architectural Shingle Warranties

Due to their rugged construction, architectural shingles usually have longer life warranties than 3-tab shingles. Architectural shingles typically have warranties of 30 to 40 years where as 3-tab shingles have warranties of 15 to 20 years.

Architectural Shingle Pricing

Because of their higher quality construction and longer warranties, architectural shingles are priced higher than 3-tab shingles. Typically architectural shingles can cost 20-40% more than 3-tab shingles. In addition, though less complicated then 3-tab shingle installation, they are more labor intensive due to the fact that more architectural shingle bundles are required then 3-tab shingles to cover the same square area. As a result, the overall roofing costs are considerably higher using architectural shingles. This said, the benefits associated architectural shingles far outweigh the added installation cost in most circumstances.