To help prevent recurrence, countersink the nails and swab the holes with a water repellent.
Fasten the bottom of each brace with a 6-inch machine bolt and countersink the washer and nut.
Drill and countersink screw holes for mounting screws.
Depending on how far the bolts stick out beyond the boards, we either countersink the nuts or wrap two layers of duct tape over the ends of the bolts to prevent damage to the greenhouse film.
After the first sanding, check to see if any nails are now protruding, and, if so, countersink them.
First, countersink the nails and swab the holes with a water repellent.
Use 12 or 16 HDG finishing nails and countersink them with a nail set.
Search out any protruding nail heads and countersink them with a nailset.
Use a nail punch to countersink all nail heads approximately 1/8 ‘below the wood surface.’
When applying directly over an old floor, countersink any protruding nails and sand off any paint, wax, or varnish that might affect the adhering ability of the adhesive.