How To Seal Attic Fan For Winter

Notch a hole for your wire and spray foam around the bottom and any gaps in the box.

How to seal attic fan for winter.

Turn off the electricity to attic fan by unplugging or by disconnecting the hard wire from the junction box. Off the shelf products are available but would have cost me more however it would have significantly reduced my time in the attic. A hard wire runs directly from the. Set the grate aside.

How to close an attic vent during the winter. Insulation can help reduce this heat exchange keeping your energy bills lower in winter. If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the opening. In my opinion the best solution would be to build a box out of rigid insulation board that has a hinged lid.

If you are creative you can also use spray foam to glue your boxes together. When using plastic make sure the attic fan is properly sealed on all edges. 1 measure the widest part of the whole house fan working inside the room where the fan is located and not. Remove the grate from the attic fan.

This allows plenty of blown in insulation cellulose fiberglass rockwool etc to be installed in the attic without falling into the whole house fan. Measure the height and width of the. Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.