Patent ID: 7568318

Claim:
A pre-fabricated wall panel usable with a door or window jamb with trim yet without jamb furring, comprising: a first, exterior facing sheet of generally rigid material and having a first thickness and a first sheet perimeter; a second, interior facing sheet of generally rigid material and having a second thickness and a second sheet perimeter, said second sheet being generally parallel to said first sheet and spaced therefrom a strut thickness; at least two framing struts being located between said first sheet and said second sheet and having said strut thickness to define a panel volume between said first sheet, said second sheet, and said framing struts; a polymeric in-situ foam core located in and substantially filling said panel volume; said framing struts acting as at least part of a dam to help contain said in-situ foam within said panel volume; an overall panel thickness including the sum of said first thickness, said second thickness and said strut thickness, said overall panel thickness being between approximately 3¾ inches and 4¼ inches; a jamb member adjacent at least one of said struts, said jamb having a jamb thickness; a sheet of drywall having a drywall thickness and adjacent said interior facing sheet, said drywall having an interior surface; a trim piece; and, wherein said jamb thickness is substantially equal to the sum of said overall panel thickness and said drywall thickness, such that said jamb is substantially flush therewith for said trim piece to be mounted flush across the jamb and drywall without the use of furring.