How to Seal Attic Air Leaks

It's dusty, dirty work, but it's the quickest, cheapest way to save money on your energy bills.

Chances are, your ceiling has the equivalent of a 2-ft. square hole that's acting like a chimney, drafting expensive heated air into your attic and sucking cold air in around your windows and doors. You can't see the hole because it's the sum of many smaller openings. These gaps around plumbing pipes, light fixtures, chimneys and other attic bypasses are hidden under your insulation.

With some inexpensive materials and a day's labor, you can save lots of money on heating every year by sealing these holes. We'll show you where to find the bypasses in your attic and simple techniques for plugging and sealing them.

Complete how-to instructions here.

	How to Install Blown-In Attic Insulation
	Insulating Walls
	Replace Weather Stripping
	Stop Window and Door Drafts

Vote and Win!
VOTE FOR YOUR FAVORITE DIY PROJECTS
You could win a $400 gift card and $450 worth of Arrow Fastener tools just for voting!
Vote now!»

User Comments
CHECK OUT OUR FORUMS
Surprise! There’s no subfloor under this hardwood floor! What should this fellow DIYer do?
Got a suggestion? Get in on the discussions!

Like this!
$25,000 Amazing Truck GiveawayThe Family Handyman wants to put you behind the wheel of a rugged tough, dream truck. Enter now and you could become the lucky winner of $25,000.
Enter to win»

DIY Advice Blog
Check out this cool Bobcat!
Senior editor Travis Larson is hooked on this great utility vehicle. Check out the video!
Read this blog post.»