How To Seal A Drafty Attic

Insulating the attic is the best way to seal these leaks.

How to seal a drafty attic.

Seal the wall plate where the top of walls meets the floor ceiling joists in the attic to ensure air does not leak at the outer edges of your attic roof. When you re done sealing your attic bypasses push the insulation back into place with an old broom handle or stick as you back out of the attic. You can do this with expanding foam sealant. Paintable latex caulk is a great choice to help seal drafts around window or door trim whether indoors and out.

Even if your home was built with proper insulation it degrades over time so it s essential you replace the insulation as needed. If you plan on doing this project by yourself it s best to use insulated fiberglass rolls since this is the easiest type of insulation to install. Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11. By recognizing the drawbacks of a poorly sealed thermal envelope being able to recognize leaks and knowing how to close them you will experience greater comfort health and efficiency in.

For super drafty windows you can seal an especially leaky window shut for the season with dap seal n peel a caulk is designed to be easily removed when warmer weather arrives. If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the opening. Weatherstrips are an inexpensive way to help seal drafty doors and windows. The attic can also be a major source of air leaks.

Here are eight simple ways to draft proof your windows and doors this fall. Simply add filler insulation on top of the existing layer of insulation to seal any drafts. Insulate the drafty attic properly in some cases your attic may be drafty from poor insulation.