Insulating And Weather Stripping The Attic Hatch

My apologies for the lack of photos but you can surely imagine how it works glue layers of insulation to hatch.

Insulating and weather stripping the attic hatch.

Sealing the attic hatch or door finish up by sealing the access hatch with self sticking weather stripping. The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners. Pray that the installer used finish nails and not say ring shank nails. To insulate an attic hatch you need weather stripping rigid foam board and fiberglass batt insulation.

Foil faced polyiso is the greenest and best performing of the foam options. Cut out two pieces of rigid foam board that are 1 4 inch smaller than the hatch so homeowners can slide the attic access panel open easily. Attach the pieces of foam board to themselves and then attach them to the hatch. Insulate the hatch remove your existing attic hatch and measure its size.

Once you have the appropriate materials you can start the process of sealing and insulating the attic hatch. Carefully pull down the finish trim. Cut four pieces of polystyrene rigid insulation about 1 2 inch smaller than the dimensions of the hatch. To guarantee a good seal i paired sash locks with a gasket of foam weather stripping around the frame of the attic hatch.

Cut two pieces of foam board that are about 1 4 smaller than the hatch. When the sash locks are rotated in use they form an air tight seal with the foam weatherstripping. How to insulate and air seal an attic access hatch. Insulating the hatch cut foam board to 1 2 less than the size of the hatch on each side.

Apply a bead of glue to it and attach it to the plywood hatch. Wash rinse and repeat until you have added at least 4 of foam board but preferably 8 of foam. Install the weather stripping onto the hatch or on the inside of the trim. The insulation will both slow heat loss and add ballast to the hatch to improve the seal at the weatherstripping.

If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening. Air seal the trim the first step is air sealing the finish trim and enclosure around the attic hatch.