How To Cut Hole On Aluminum Siding For Duct Vent

Use the proper size bimetal hole saw and a half inch drill works best or rent a right angle drill if space is tight.

How to cut hole on aluminum siding for duct vent.

This thread is archived. A duct wall cap is the cover you see on the side of a house that covers an exhaust duct. My house has aluminum siding. If playback doesn t begin shortly try restarting your device.

Alignment of the holes simply comes down to planning and preparation. If the motor housing on your saw is open and could collect metal chips tape a piece of cloth over the openings to protect the motor windings and bearings while you cut the aluminum. File to smooth out the cut end and make it square if you ve got any irregularities. Finishing the hole from the opposite side will help make a smoother opening and minimize uneven splintering on the home s exterior.

Does anyone have suggestions for the best tool to cut an 8 inch hole through aluminum siding for a side venting bathroom ventilation fan. You may find it easier to use tin snips or aviation shears though. Making accurate cuts on aluminum rods tubes and angles is easy with a miter saw and a blade designed to cut nonferrous metal check the label. With the line marked it s easier to keep the cut square but you could also use a pair of tin snips to complete the cut.

Use a 4 1 4 inch hole saw to cut the vent opening. Measure and plan your runs and. A hole cut with a hole saw in the middle of the opening is a great place to get cuts started. Permanent marker to mark the line you ll be cutting along.

Small pilot holes can help. This should cut through wood and metal siding. Cut hole in aluminum siding for bathroom vent fan. Hacksaw to start the cut.

Once the hole saw s pilot bit pops through the exterior go outside to complete the hole using the pilot hole as a guide. Don t cut one until you know where both holes are going to be. New comments cannot be posted and votes cannot be cast. What to use to cut 8 inch hole through aluminum siding.

Once i cut the hole for the vent what s the proper way to finish up the hole so the siding remains waterproof. Remove the hole saw frequently to keep it cool and to remove debris. The duct wall cap provides a decorative cover for the.