If you have a vinyl or aluminum sided house you will need to purchase a new strip of siding and hook it in place.
How to block a siding vent.
Cut the hole then center the nail flange of the mounting block over the hole and nail it on.
Insulated siding utility vents.
Insulated siding mounting blocks.
If you have to use the metal one i would put it on a mounting block.
I use those mid america style hooded vents all the time with my steel siding.
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.
Available in two shapes square and octagonal the mounts look like wood come in dozens of colors and blend in well with your siding.
You will want to match the existing material of the wall that the vent is set in.
Get the perfect color mounts every time.
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.
Mounting block is for mounting exterior dryer exhaust vents on all types of siding.
Remove the vinyl siding in the area you need to cut the hole in.
Step 5 close hole from the inside.
Mid america carefully designed it s mounting blocks to fit and match the colors of america s most popular siding manufacturers.
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.
Water management blocks vents.
Electrical blocks ul listed explore idea gallery.
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.
Imo the flap works every bit as well as the metal ones.