Builder Mike Guertin explains 3 ways to calculate the quantity of shingles you'll need for your next roofing job.

Installation mistakes are often to blame for leaky roofs. Roofer Stephen Hazlett shows how to repair these problems—or avoid them altogether.

Master these roof-installation details to keep asphalt shingles on and rain out of your house.

The first rule of roof flashing is that water runs downhill; the second rule is that the first rule isn't without exceptions.

Building scientist Joseph Lstiburek explains when to vent your roof, when not to, and how to execute each common roof-venting approach successfully.

An IRC table lists whether or not an ice barrier is required, but not all roofing requires an ice barrier, even in ice-dam territory.

This homeowner found that replacing a worn out roof provided a good opportunity to insulate above the sheathing before installing new roofing.

These premium products offer time-tested longevity, so your choice depends on price, appearance, and installation requirements.

Long-lasting, lightweight, and resistant to hail and fire, metal makes an ideal roof.

Get the flashing right to ensure leak-free skylights.

Q: I’ve noticed that the siding where the roof meets my house is rotted. The step flashing is installed properly, and the rest of the siding above that spot is…

Radiant-barrier roof sheathing keeps attics cool in hot climates.

Clean lines and durable details depend on careful framing and a systematic installation sequence.

Roofing contractor Stephen Hazlett shares his reliable methods for protecting a house and managing job-site workflow to execute a high-quality roof replacement job.

Retrofitting undershingle intake and ridge vents helped to cool and dry this 120-year-old attic.

Here's how to make a clean, neat drip edge with intersecting angles

A proactive approach to flashing one of a roof's most vulnerable intersections.

Shingling with stone will give you a roof that lasts for generations.

Mike Guertin explains the ins and outs of how tubular skylights work.

Yes, as long as it's well detailed it should last as long as a more expensive standing-seam roof.

You'll need to install an appropriate roofing underlayment over the sheathing.

A cool roof can be a good energy-saving option. Reflective roofing improves comfort and reduces cooling costs in the Deep South and anywhere the sun shines.

Faster than and just as water-resistant as a closed-cut valley...and it looks almost identical.

The job isn’t hard, but it’s not exactly straightforward, either.

Get an overview of the entire process before watching our how-to series on re-roofing an existing building.

Sheathing takes teamwork — cutting, moving the panels out, placing, and then nailing.

Recommended reasons for removing a roof's shingles.

Choose a safe and effective product to clean asphalt shingles without damaging them.