How To Properly Air Seal An Attic

Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.

How to properly air seal an attic. When planning how to air seal an attic work from big to small in order to make the most of your time. To properly seal your attic hatch also known as an attic door or scuttle hole at a minimum you should apply weather stripping and ensure the attic side of the attic door is insulated. And we ll show you how to seal up the ductwork and ventilation fans. Begin by filling the garbage bags with 16 inch strips of insulation and use these to stuff any open joist spaces and soffits.

Install foam gaskets behind outlet and switch plates on walls. Better yet there are high quality products such as the attic gator designed to both seal and insulate attic access doors and scuttle holes. Find electrical wires and boxes. By air sealing in your attic you can stop many major air leaks and help to maintain the desired temperature throughout your home.

Mask if you have loose blown in insulation i highly recommend the 3m changeable filter mask. 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. Soffits drop ceilings and open joist spaces. Apply self adhesive foam weatherstrip tape to the top edge of the stop.

The attic is usually where you can find some of the largest opportunities to save energy in your home. We ll show you how to maintain proper air flow in an attic when you re going to add extra insulation over the attic floor. David you absolutely must have a tight air barrier under your tongue and groove ceiling since the boards do nothing to slow down air flow. The standard solution and the one i recommend is to install a layer of 1 2 inch drywall with taped seams first followed by the tongue and groove boards.

Silicone or acrylic latex caulk and a caulk gun practice using the caulk gun first used for air leaks that are smaller than. Combined with attic insulation air sealing can help to alleviate the formation of dangerous ice dams in the winter. Special heat resistant caulk for sealing around your furnace flue and chimney. Long pants long.

Inspect dirty spots in your insulation for air leaks and mold. So in a few hours or a day in your attic sealing up these air leaks you can save a significant amount on your energy bill.