Drilling or cutting a 4 1 4 inch hole through the exterior wall is common practice during most dryer vent installations.
Cutting a hole in vinyl siding for dryer vent.
How to score and snap a vinyl siding plank a cutting template makes scoring a line along the length of a plank easy.
That said the hole is the least of your effort.
Cutting the vinyl siding is easy.
When we cut with a circular saw we often install the blade backwards to minimize ripping and tearing of the vinyl.
Check the hole from outside the home.
You will nail the new drywall to the studs tape it and mud it.
If the hole is a little high or low measure the distance from the pilot hole to the center of the vent cap duct.
Check out a demo of housecall pro here.
What i did in my situation dryer vent similar diameter was to use a hole saw from the inside to carefully cut through the wood.
The pilot bit on the hole saw was set to be long enough to punch through the siding as well.
Https amzn to 2vnnzuy milwaukee hawg bits.
Cutting through an exterior wall can be difficult in that the vinyl siding can easily chip or shatter.
How to mount a vent cap on vinyl siding.
If your dryer vent was in an interior room you will need to cut the drywall out all the way to the studs and replace it with a new piece.
The first is to install a vinyl surface mounting block shown here that fits over the existing siding.
Builders edge 4 in plastic louvered dryer vent cap.
This is the best tool to use if the siding is already hanging and you want to cut a hole for a electrical box or a vent.
Item 89145 model 140147079085.
Place the vent cap over the hole so that its top rests on the high point of the siding.
Transfer that measurement inside if necessary to mark the new dryer vent center.
You can get rid of an unused dryer vent in one afternoon.
Pour it into the hole and simply let it dry.
You may need to scribe and trim the edges to precisely fit your siding profile.