For solid cladding such as stucco or brick your best bet is to locate the studs inside the house and then transfer the measurements to the exterior wall.
Find a stud behind siding.
To the best of my knowledge we won t see a stud by lifting siding unless the house was built about 1925.
Here s a super simple old school way to find a wall stud without having to buy an electronic stud finder.
Place the stud finder at the edge of the exterior siding.
The best way to find a stud while working on on the outside whether brick siding or stone is to use an electronic stud finder.
If you don t find signs of a stud 16 inches from the first one measure 24 inches from the first stud and look again there.
For vinyl siding use a vinyl siding removal tool to unsnap the seal between two pieces of siding allowing you to see the nail heads.
Drive a small nail into the wall where you believe you have found a stud.
If that s true and i wanted to hit a stud close to dead center i d probably make myself about a 6 long 3 32 diameter drill bit locate a stud from inside and bore a hole from inside out next to the stud.
When you need to find studs behind an outdoor or indoor stucco wall to support an awning hang a heavy picture fasten a planter box or attach a garden hose spool you have a few options.
You will be wow d.
Walk very slowly along the exterior siding while holding the stud finder.
Use a metal detector to find the nails in the studs if you get dew on the house in the morning a lot of the time you can see exactly where the studs are when there is dew on the siding and it is just starting to evaporate it usually evaporates off the studs first since they are a bit warmer.
I found these answers on a different site.
Want to know the fastest easiest genius way to find a wall stud in your home or rv.