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3. A large sheet of fiberglass reinforcing fabric is included that can be used to bridge small holes up to about an inch in diameter in the floorpan. Cut a piece to fit the repair area and embed it in the first coat of POR-15 paint, being careful to saturate the entire sheet without applying too much. Let the first coat dry overnight.
Rust Repair Made Easy

3. A large sheet of fiberglass reinforcing fabric is included that can be used to bridge small holes up to about an inch in diameter in the floorpan. Cut a piece to fit the repair area and embed it in the first coat of POR-15 paint, being careful to saturate the entire sheet without applying too much. Let the first coat dry overnight.  View Related Article