Subfloor reinforcement in Riverside

Subfloor in Riverside was badly damaged, and was grossly under-built originally. The joists were never supported between each other with “hangers” and the slats (1″x4″) above the joists was badly water-damaged and dry-rottened. So we removed the damaged slats, installed 2″x8″ support boards (approx. 60 total) to shore up the floor, installed pressure-treated slats (cheaper) and re-screwed the entire complex. Then we installed new 3/4″ plywood subfloor using 2 1/2″ screws hitting joists as we moved. We also laid down 15 lbs. roofing felt as a moisture/sound dampener & barrier.

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