Looking to clean up my attic old insulation etc and convert into usable storage space.
How to make attic stairs insulation.
Assemble the sides of the box with metallic duct tape.
Will need to install a drop down ladder stairs.
Cut sides and top from sheets of 3 4 foam board with a utility knife.
You can sister the joists by cutting 2 x8 boards the same length as the joists applying construction adhesive and affixing each to a joist with nails.
More insulation 6 inches or 8 inches isn t uncommon.
Add insulation to the exterior of the plywood box.
While it s easy to install and move it doesn t provide a great seal.
Will likely need to lay flooring too.
That means that you should glue at least 4 inches of foil faced polyisocyanurate r 26 to the box.
With attic insulation we aim for a pretty high standard usually at least r 49 and the coffin insulation should match.
Hinge the lid to the box on one side with metallic tape.
Fortunately this is a fairly easy fix.
Cut the 10 foot long pieces of lumber into four pieces two pieces to the length previously measured and two pieces to the width previously measured.
Will need to install a drop down ladder stairs.
Attic tent insulation covers make a little tent above your stairs and you ll just have to move the attic cover out of the way when you go up and down the stairs.
Measure the size and height of the stairs from the attic.
Attach the foam box to the floor with metallic tape.
You might open up your attic and find bare joists with fiberglass or cellulose insulation between the joists.