The foil faced insulation board is also really easy to connect to other pieces using foil tape.
Build attic fan cover.
The battic door whole house attic fan ceiling shutter seal is easily installed over the fan louver from the house side in the fall and removed in the spring.
Reflective cover for attic fans registers electrical boxes.
The tuff r has an r value of 13 for 2 inches and a foil facing which works great as a radiant heat barrier as well.
Now use your utility knife to cut the fiberglass sheet to size matching the measurements that you have just taken.
One of my fall chores is to insulate the whole house fan in our house.
In case you re not familiar this fan is mounted on the ceiling joists in the attic after a hole has been cut out of the ceiling drywall.
Now use your utility knife to cut the fiberglass sheet to size matching the measurements that you have just taken.
M d building products 43251 attic fan cover this is one of the more versatile attic fan covers available on the market.
Seal and save for year round comfort.
There are different materials you can choose from when building your fan cover including plywood and metal however fiberglass is one of the best materials to use when creating a cover for your whole house fan.
Parts list reflective bubble insulation.
Vastair attic fan cover aluminum film insulation board whole house attic ceiling fan shutter seal cover suitable for various windows reducing air and heat loss 37 4x50 79in 5 0 out of 5 stars 1 17 99 17.
To build the attic stair cover i decided to use two inch thick foil faced foam board by dow tuff r.
The force of the fan blows them open and then they fall closed once the fan is turned off.
By reducing the amount of heat and moisture leaking into your attic the severity of ice dams and attic mold is greatly reduced.
Apart from sealing your attic fan shutters you can also use it to seal your attic entrance electric boxes registers and more.
The grate has louvers that open and close.
Whole house fan cover.
An aluminum grate is then installed on the ceiling side.