In the case of a knee wall door insulate the walls.
How to build an attic door insulation.
Measure the opening for the attic access hole which is often referred to as a scuttle hole.
Staple long pieces of duct tape sticky side up onto the attic scuttle door.
I used 1 4 8 with an r value of 3 85.
Even at 1 inch thick there was only 2 inches between the finished top and the rafter.
1 ridged insulation sheet 4 x 8 2 aluminum tape 10 yrds 3 duck tape and 4 self adhesive foam insulation strip i needed 13 feet.
Close the gap in your door to stay free from drafts eliminate air leaks and maintain energy efficiency.
Inspect the weatherstripping gaskets around the attic hatch opening.
This old house general contractor tom silva and host kevin o connor demonstrate the proper way to insulate an attic.
Cut a piece of 3 8 inch or 3 4 inch plywood about 1 4 inch smaller in width and length than the dimensions of the opening.
On up attic doors and kneewalls how to install home insulation lowe s old house remodel installing attic stairs saving energy n in insulation insulate attic drop down access stairs.
How to insulate a window with sash weights.
Despite both of these attic doors being easy to insulate many contractors don t do it.
In this how to video keep out the.
To insulate an attic hatch you need weather stripping rigid foam board and fiberglass batt insulation.
There are different ways to accomplish this.
Step 1 apply weather stripping.
Trim four pieces of 1 by 2 lumber with a circular saw to.
Add fiberglass or rigid foam.
If i had more space between the rafter and the attic opening i would have used a thicker sheet.
Stone wool insulation.
Apply weather stripping to the perimeter of opening not the attic door cover.
First install foam weather stripping on the inside of the trim or directly onto the hatch.
This ensures a tight seal between the door and the opening.
Add foam insulation tape around the edges to seal the perimeter where it rests in the access hole.
Check for air leaks and wood stops.
Fortunately there are kits available to insulate these kind of doors.
You can check for air leaks with a lit incense stick or a thin.
Here s how to do it yourself.