Patent ID: 11927301
Assignee: nan
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC F  C | IPC C  F

Claim 19:
20. A method for reinforcing an existing wall of a structure to support hanging an object from the wall, comprising:
forming an aperture on a wall panel, the aperture providing access through a front surface of the wall panel to a cavity behind a back surface of the wall panel;
injecting, inside the cavity, a solidifiable fire-retardant foam composition adapted to solidify inside the cavity through the aperture, wherein the aperture wherein is formed to snuggly receive an applicator of the solidifiable fire-retardant foam composition;
allowing the fire-retardant foam composition to solidify inside the cavity; and
anchoring one or more wall fasteners to the wall panel and to the solidified fire-retardant foam composition inside the cavity.