Latest Discussions : Basement & Foundation

BV023799

10:59PM | 11/12/20
I just leveled the floor of an old addition. The floor has minor "give" (I stress, "minor"). I silicon caulked the plywood floor both top and bottom where it meets the foundation and where it meets the 2x3 wall framing. Strapped the exterior framing with 1x3 furring, and caulked a few nail-holes and put 15" x 31/2" insulation.

Here's the issue. Where the old Sheetrock meets the floor it's a little crumbly. Do I mud the bottom then run a silicone caulk bead, and just run a heavier bead and spread it with a corner knife. I could be less dramatic and just use a putty or use a 6" drywall knife? Or none of the above?

The crawl space is only 18" and too difficult to make (virtually) rigid.




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