Asphalt Shingles

Asphalt Shingles JLC Field Guide
Asphalt shingles offer a good-better-best range for building owners to choose from, and of all prevalent roofing materials, they are easiest to install.

Asphalt Shingles Featured Articles

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Bending V-Crimped Valley Flashing

Keep runoff under control where roofs of different pitches intersect. Read more

Step Flashing vs. Continuous Flashing
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Step Flashing vs. Continuous Flashing

Do a little homework before abandoning the decades-long practice of using step... Read more

Roofing With Asphalt Shingles
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Roofing With Asphalt Shingles

More than 80% of U.S. homes have asphalt shingle roofs, and though easy to install... Read more

How to Safely Frame a Roof on the Ground
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How to Safely Frame a Roof on the Ground

To eliminate the danger and discomfort of framing and shingling a roof, Lee... Read more

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Asphalt Shingles Instruction

Damage From Roof Moss
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Damage From Roof Moss

That green growth on your roof might be causing expensive damage to many parts of... Read more

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Unvented Roofs and Shingle Warranties

While the IRC has approved the use of certain "hot" unvented attics, it seems that asphalt-shingle manufacturers still recommend that their shingles be installed over vented roof assemblies. Does this mean that shingle manufacturers will void their warranties if the roof deck is insulated with sprayed-in-place foam? Read more

On the Job: Flashing an Open Valley
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On the Job: Flashing an Open Valley

Open valley flashing; cooler cabinet Read more

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Why Paper a Roof?

Q.What is the purpose of tar-papering a roof other than to keep water out until the shingles are laid down? It seems that if water does get past the shingles that the tar paper, having all of those staple and nail holes, would do little to keep the water out. Read more

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Q&A: Shingle Overhang

Q: How far beyond the drip-edge should an asphalt shingle extend? Is the amount of overhang the same at the rake as at the eave? Read more

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