| 摘要 |
<p>A planar building panel core having two main faces for use in making a building panel core coated on the main faces with a cementitious material, said core comprising: an extruded, non containing formaldehyde closed cell foam insulation board (6) which is chemically inert of high compressive strength, of low moisture absorbing quality, said board having i) an upper surface with opposite end ii) a bottom surface of a length substantially equal to that of said upper surface, iii) parallel side surfaces, a generally congruent sheet of metal lath (2) on each main face, each sheet having preferably diamond-shaped openings, a plurality of spaced commonly shaped metal furring vertical channel members (5) a steel reinforcing sheet spanning each board face, fastening means spaced along each channel member securing each channel member. <MATH></p> |
