If you have pull down attic stairs or an attic door these should be sealed in a similar manner.
How to insulate attic hatch with sliding stair.
Tape the lid to the top of the box along one of the long edges with foil tape.
Treat the attic door like a door to the outside.
Insulate the hatch cut foam board to 1 2รข less than the size of the hatch on each side.
Foil faced polyiso is the greenest and best performing of the rigid foam options.
Cut a piece of fiberglass or rigid foam board insulation the same size as the attic hatch and nail or glue it to the back of the hatch.
These covers usually come fully assembled and are easy to install and remove.
This ible is about how to build an insulated attic hatch for cheap i am currently renovating an old building to turn it into a multi flat rental property.
Apply a bead of foam compatible glue to it and attach it to the plywood hatch.
They also come with zippers in order to grant easy access to the attic.
Clean the floor around the attic stairs so the tape will adhere well.
Since the weather is getting colder by the day up here in the northern hemisphere i had to qu.
Weatherstrip the edges and put a piece of rigid foam board insulation on the back of the door.
Attach foam tape weather stripping to the top edge of the box to form a tighter seal.