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.
How to insulate attic hatch with sliding stair.
Since the weather is getting colder by the day up here in the northern hemisphere i had to qu.
Insulate the hatch cut foam board to 1 2รข less than the size of the hatch on each side.
Weatherstrip the edges and put a piece of rigid foam board insulation on the back of the door.
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.
Tape the lid to the top of the box along one of the long edges with foil tape.
An attic stair cover looks a little like a rectangular tent made of foil and is placed right behind the attic hatch door.
Attach foam tape weather stripping to the top edge of the box to form a tighter seal.
Pre made insulated attic stair covers are also available from local home improvement centers or on the web.
Treat the attic door like a door to the outside.
Apply a bead of foam compatible glue to it and attach it to the plywood hatch.
Cut a piece of foam the size of the exterior dimensions of the box for the lid.
If you have pull down attic stairs or an attic door these should be sealed in a similar manner.