caulk foam filler
Photo: Bret Husted
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Fill 'er Up

At the top of the photo, you can see where the filler was sprayed in from above. It usually takes about one can of expanding foam filler to seal a ¾-inch hole in the plywood subfloor, right?

Bret Husted
Husted Construction & Prevention Inspection Services
Daly City, Calif.
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