How To Build A Box For Attic Fan Vent

Step 1 prepare the attic.

How to build a box for attic fan vent. Slit 3 inches in on. Make sure it is only just large enough to fit the vent. Examples include ridge vents box and dome vents soffit vents and gable vents. You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications.

Decide where you want the gable vent fan to go and mark out the area using a pencil or piece of chalk. Put some glue on the ends of the remaining 22 1 2 inch pieces and secure them between the 28 3 4 inch pieces with box nails. Place the box fan face down on a work surface. Gable roofs and fans.

Things you will need. To save time use an existing roof or gable vent to install your new attic fan. Remove the screws surrounding the grille on the fan using a phillips screwdriver. This way you don t have to cut a brand new hole but simply make the hole for the vent larger so it can accommodate the fan.

Set the table saw fence on 5 inches. Cut off the end of the power cord using the blade of a utility knife. If you attic is just a crawl space however your options are limited to vents and fans. How to use a box fan in the attic.

Turn the fan over. Take your saw and make the hole where the fan will go.