Add another 1 2 inch for the boxing and 3 4 inch for standard lap siding.
Finding studs through aluminum siding.
Stud finders are the best way to consistently locate the center of studs.
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Draw a mark at the exact location where the stud finder locates a stud.
Place the stud finder at the edge of the exterior siding.
Using a stud finder on the outside is hit or miss.
Best way is from the inside.
This is not always the case depending on the installer.
Too many layers will give you a false reading.
Keeping these points in mind here are the ways i ve been most successful at finding studs.
Cd welding permits stud welding of dissimilar metals.
Look at the trim for where it has been nailed to a stud.
Print cd flanged pdf.
In theory the siding should be nailed at the studs.
Add the 5 1 4 inch thickness of the wall to the 12 inches.
Welds can be made to thin sheet without pronounced distortion burn through or discoloration.
Aluminum siding manufacturers we carry.
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.
Remove the section of siding at the elevation you plan on mounting the awning at.
Ranging in price from 10 to 50 an electric stud finder will locate the center of any stud that that is covered by less.
You may detect a nail in the sheathing and it won t be a stud.
The better way is to locate the edges of the osb sheathing.
Walk very slowly along the exterior siding while holding the stud finder.
Since the baseboard is attached to the studs.
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.
Insulation sheathing vapor barrier.