Method of making a foamed polystyrene building panel

DETAILED DESCRIPTION The building panels 10 and 11, made in accordance with this invention are shown in juxtaposition at the building site.
Each panel 10 and 11 includes a plurality of frame members 12 that are integrally bonded to expanded polystyrene sections 13 therebetween.
One end of the panel 10 does not have a frame member and is to be contiguously abutted to the first frame member 12 of the adjacent panel in the final construction of the wall being formed.
Building panel 10 includes a switch box that is molded directly into the expanded polystyrene material.
An electrical line 14 goes to an overhead light.
A wire and receptacle box 17 is also shown molded directly into the polystyrene section with the electrical line 15 going to a power source.
Panels 10 and 11 are to be placed on top of a bottom plate which is put in position on the foundation in a manner well known in the building art.
Once panels 10 and 11 are contiguously abutted to each other, a header or top plate is secured across the ends of the vertically extending frame members 12 bonded to the polystyrene sections 13.
Standard sheeting or wall panel may be placed on the inside and outside of the building construction as desired.
These further building sheets or materials may be nailed directly to the frame members which are freely exposed along the lateral surfaces of building panels 10 and 11.
A second embodiment of a building panel 20 is shown in FIG.
2 at an intermediate point of its fabrication.
Frame members 22 constitute the vertical struts of the panel to be formed.
The upper and lower plate members 24 are integrally bonded to the expanded polystyrene along with the vertical components or struts 22.
Frame members 22 are laterally spaced with respect to each other and have a dried coating of polystyrene disposed on at least one side thereof as discussed in more detail hereinbelow.
Frame members 22 are substantially straight and disposed along the same plane and substantially parallel with respect to each other.
Frame members 22 constitute a first portion and frame plate members 24 constitute a second portion of all the frame members