Diy sealing the attic hatch attic hatches are often not air sealed allowing air to transfer between the conditioned space and the attic.
Seal attic hatch.
The insulation and sealing opportunities created through attic access covers are unparalleled compared to more do it yourself solutions.
Tru seal attic hatch was thought up by trim rite mfg.
Set aside the trim and using caulk for smaller gaps less than 1 4รข or foam sealant for larger ones seal the gap between the attic hatch framing and the rough cut drywall.
If there are indications of erratic air movement coming from your attic hatch replacement weatherstripping is necessary.
Cut 1 3 boards to fit the perimeter of the opening and nail them on with 6d finish nails.
Once installed the attic access cover creates a tight seal around the hatch.
You can also inspect the weatherstripping and molding around your attic door to see if it is damaged.
In addition they are usually constructed from thin wood or drywall neither of which provides any appreciable resistance to energy loss.
Sealing the attic hatch or door finish up by sealing the access hatch with self sticking weather stripping.
Seal the attic access weatherstrip the attic access hatch or door.
The insulating material helps reduce heat transfer between the floor below and the attic.
I have to be just a shade vague there as the drywall can either butt up against the hatch frame or lap over it.
If the attic hatch rests on the molding you should add 2 1 2 inch stops around the entire opening.
Apply self adhesive foam weatherstrip tape to the top edge of the stop.
The insulation will both slow heat loss and add ballast to the hatch to improve the seal at the weatherstripping.
The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
The attic hatch in our ongoing series on air sealing we are going to focus on the dreaded attic hatch or as allison baile s of energy vanguard so eloquently calls it a mind blowing hole in your building envelope.
If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening.