How To Block A Siding Vent

I have purchased a 3 1 4 rectangular exhaust vent from amazon see below pic my understanding is that i have to pull few sidings off around the vent secure with screws tape the vent edges and then install j channels around 4 sides of the exhaust vent and trim the vinyl siding to fit.

How to block a siding vent.

At this point you usually want to flash the top of the mount by slitting the housewrap and putting a flap of flashing behind the housewrap and over the top fin of the mount. Imo the flap works every bit as well as the metal ones. Get the perfect color mounts every time. Stuff needs to be able to move.

Cut the hole then center the nail flange of the mounting block over the hole and nail it on. I use those mid america style hooded vents all the time with my steel siding. Remove the vinyl siding in the area you need to cut the hole in. With the hole closed on the outside you now need to close it on the inside.

Insulated siding utility vents. If you have to use the metal one i would put it on a mounting block. Mounting block is for mounting exterior dryer exhaust vents on all types of siding. It offers 12 5 square inches of ventilation area.

Water management blocks vents. Insulated siding mounting blocks. Step 5 close hole from the inside. It is never a very good ideal to mount on top of vinyl siding even if one sees it do that way all the time.

Surface mounts e z block ply gem s one piece surface mounts are designed for mounting small light fixtures water faucets and other accessories to vinyl and aluminum siding. If you have a vinyl or aluminum sided house you will need to purchase a new strip of siding and hook it in place. Electrical blocks ul listed explore idea gallery.