The first is to install a vinyl surface mounting block shown here that fits over the existing siding.
Installing dryer vent through vinyl siding.
If the hole is a little high or low measure the distance from the pilot hole to the center of the vent cap duct.
Cut a hole in the siding with a diameter of 4 25 inches by using a hole saw.
How to mount a vent cap on vinyl siding.
Transfer that measurement inside if necessary to mark the new dryer vent center.
Getting the correct type of duct for you home and proper installation will ensure that things like lint fires or carbon monoxide build up will not occur.
The challenge is to cut a hole an 4 inch hole without dama.
The best scenario would have been to buy a dryer vent that is made to work with vinyl siding like this one.
Cellwood white hooded dryer vent dryerhd04h at the home depot to use the one you already purchased you would want to buy a 2 piece vinyl mounting block.
Use wood screws to attach the hood to the siding.
Installing a dryer vent through vinyl siding can be a troublesome task but a fairly simple one basically when damp clothes are put in the dryer a small blower briskly funnels air through a duct and out of your home.
You may need to scribe and trim the edges to precisely fit your siding profile.
If you are installing a dryer vent through a finished wall.
Place the vent cap over the hole so that its top rests on the high point of the siding.