How To Cut Hole In Roof For Bathroom Vent

Using a jig saw cut a 4 round hole using the center.

How to cut hole in roof for bathroom vent.

Run a thick bead of tri polymer sealant along the underside of vent hood. Pass the opposite end of the duct through the hole in roof. Situate the round vent or vent cap across the locator hole. In the attic attach the vent pipe from the vent up to the roof.

Take the end of the duct with the connector fitting and attach it to bath vent fan. Typically the exhaust duct does vent up through the roof however it may also be possible to vent it out through the soffit. Next use aviation snips to cut slits into the sheet metal sleeve. Try to keep it close to the fan location.

Vent pipes provide this air by running outside the structure of the house. These types of rooftops are usually constructed in european and scandinavian countries. Leave the drill bit sticking through the roof so you can find the hole. Running a vent pipe out of the roof takes some careful preparation.

From up on the roof use a jigsaw or reciprocating saw to cut a 4 in. Installing the vent hood. If the roof overhang is sufficient a grille can be installed in the soffit and an exhaust duct installed to connect the fan to the grille. Start in the attic and drill a hole through the roof in the desired vent location.

If you have any doubts about cutting a hole in your roof you can always have experienced roofers fit the vent for you but most people with a small amount of home improvement knowledge can complete it to a suitable standard. When water drains air must replace the space that was taken up by the water. Bend over the tabs then nail the tabs to the roof. The hole needs to be taller than your pipe diameter as the pipe isn t passing through the roof at a perpendicular angle.

Attach the round vent or roof cap with screws first applying silicone caulk to ensure a watertight fit. A shingled roof is a roof of separate elements overlapping each other. With the pencil scribe a circle where the vent or cap will fit. Use the reciprocating saw to cut the circle with the locator hole as a start point for the saw blade.

Mark the roof where you will cut the opening for the vent pipe and roof hood. Now that the hole was cut my friend ran back down the ladder and up into the attic so that we could connect the vent pipe through the roof. Plumbing vent pipes are connected to your drain system and are needed for water to drain properly.