Expert Advice on Improving Your Home
Ceiling with water stains just above the crown molding

4 Signs Your Roof is Leaking — and What to Do About It

Leaking roofs can lead to major cosmetic and structural damage. Know the signs.

Replacing a Roof Shingle

It’s best to replace a damaged asphalt shingle when the weather is warm, so the shingles around it won’t break when lifted. Watch this video to find out how to replace a damaged asphalt roof shingle on your home.
Roof Shingles

How to Remove and Prevent Black Algae Stains on Asphalt Shingle Roofs

If you live in a humid area of the country, you’ve probably seen unsightly dark streaks on asphalt shingle roofs. Read this article to find out more.
Replacing a roof shingle

How to Repair an Asphalt Shingle Roof

Watch this video to find out how to repair damaged roof shingles, replace a roof flange, and clean and maintain roof valleys on your home.

How to Prevent Ice Dams on Your Roof

Need help preventing ice dams from forming on your roof? Here's a crash course on ice dams and what you can do before they cause expensive damage.
Applying roofing cement to gap between metal flashing and chimney.

How to Find — and Repair — Chimney Roof Leaks

Watch this video for tips on how to find and repair roof leaks around fireplace chimneys, which are usually caused by gaps and cracks between the chimney and flashing.

This Roof Patch Works in Wet and Dry Settings

Don't wait to fix a roof leak after it rains. With Henry's new Purpose Crystal Clear Sealant, you can patch your roof while it's still wet!