You can drill through and mount the box over vinyl no problem.
Install mailbox on vinyl siding.
I hang a 48 wreath with the no hole vinyl siding hangers.
If you do not have a raised curb contact your local postmaster for guidance.
They would also work to hang lights around a window not having to drill hole in the siding.
Vinyl siding is not made to be drilled.
Insert screws into the bottom holes and drill in only halfway again checking that mailbox is level.
Drill 1 1 2 holes in your siding cut pieces of pvc pipe to slide into holes to bring box flush to siding caulk around pipe and on exposed edge install mailbox view entire discussion 8 comments 9 2k.
If you have the cement board siding then pre drill holes first and don t over tighten or you will crack that stuff.
Doing so will crack it leaving your house vulnerable to water damage.
Here are the guidelines for placing a mailbox directly from the usps.
Mounting a mailbox to vinyl siding step 1 slide the vinyl siding s hooks under and over your vinyl siding.
Just don t over tighten the screws and crush the siding.
The mailbox came with 4 screws maybe 1 long that can supposedly be used to mount it to a wall.
Insert screws into the top holes and hang on the wall only twisting the screws in halfway.
This renders the siding vulnerable to moisture and voids the warranty even if you seal the hole.
Another site recommended finding studs and drilling through the siding to mount the mailbox with the option of caulk in the drill holes to prevent moisture from entering the wall.
Add vinyl siding s hooks.
There are at least three alternative ways to do it.
Buy a wall mounted mailbox there are a variety of usps approved wall mounted mailboxes available anywhere from.
Rest a level on top of the mailbox to double check it is flat.
Place your mailbox 6 to 8 inches back from the curb.
Installation instructions made easy for you.
Position your mailbox 41 to 45 inches from the road surface to the bottom of the mailbox or point of mail entry.