Ask this old house plumbing and heating expert richard trethewey shows an innovative new way to seal ducts from the inside.
Diy seal an attic.
Required materials for this project 13 gallon plastic garbage bags 14 in.
Ask this old house general contractor tom silva shares some diy smarts tips for insulating an attic.
If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening.
Four crucial attic air seals to save energy year after year.
By tom silva and kevin o connor host.
Before you think about heading into your attic to seal air leaks and add insulation here are the things you will need first.
How to beef up attic insulation.
In addition they are usually constructed from thin wood or drywall neither of which provides any appreciable resistance to energy loss.
Wide aluminum flashing acrylic caulk co2 detectors expanding foam foam weatherstrip reflective foil insulation silicone caulk unfaced fiberglass insulation.
Garbage bags fill the bag with insulation to insulate stud cavities under kneewalls and dropped soffits.
Sealing the attic hatch or door finish up by sealing the access hatch with self sticking weather stripping.
Take a look at 4 things you should do as.
Insulation you will need batt roll or blown insulation.