How To Build A Box For Attic Fan Vent

How to use a box fan in the attic.

How to build a box for attic fan vent.

Place the box fan face down on a work surface. If you attic is just a crawl space however your options are limited to vents and fans. Things you will need. 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.

Turn the wheel on the table saw that adjusts the angle on the blade until you get a 45 degree angle. Remove the screws surrounding the grille on the fan using a phillips screwdriver. To save time use an existing roof or gable vent to install your new attic fan. Make sure it is only just large enough to fit the vent.

You also want a fan that s appropriate for the square footage of your attic space by checking the manufacturer s specifications. Make sure that the electricity to the attic is turned off. Cut off the end of the power cord using the blade of a utility knife. Turn the fan over.

Gable roofs are those that consist of two straight sloping surfaces meeting at the apex of the roof. Step 1 prepare the attic. 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. Take your saw and make the hole where the fan will go.

Slit 3 inches in on. Examples include ridge vents box and dome vents soffit vents and gable vents.