Keeping these points in mind here are the ways i ve been most successful at finding studs.
Finding studs through aluminum siding.
This is not always the case depending on the installer.
For example if you locate an interior stud 12 inches from the corner add the thickness of the drywall usually 1 2 inch plus the thickness of the studs which is 3 1 2 inches if the studs are two by fours.
Best way is from the inside.
The manufacturers listed above are not available at all locations.
Add another 1 2 inch for the boxing and 3 4 inch for standard lap siding.
Look at the trim for where it has been nailed to a stud.
Insulation sheathing vapor barrier.
Welds can be made to thin sheet without pronounced distortion burn through or discoloration.
In theory the siding should be nailed at the studs.
A little light will go off or the finder will make a beeping noise when it finds a stud.
You may detect a nail in the sheathing and it won t be a stud.
Too many layers will give you a false reading.
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.
Remove the section of siding at the elevation you plan on mounting the awning at.
Using a window as a location guide use a stud finder on the inside to locate a stud or two and transfer that to the outside.
Ranging in price from 10 to 50 an electric stud finder will locate the center of any stud that that is covered by less.
Aluminum siding manufacturers we carry.
Walk very slowly along the exterior siding while holding the stud finder.
Cd welding permits stud welding of dissimilar metals.
Home shop flanged capacitor discharge studs aluminum flanged capacitor discharge studs aluminum 20 00 345 00.
Add the 5 1 4 inch thickness of the wall to the 12 inches.
Using a stud finder on the outside is hit or miss.
Print cd flanged pdf.
The better way is to locate the edges of the osb sheathing.
Since the baseboard is attached to the studs.