WALL PANEL COMPOSITION: Typical panel consists of a 45 lb. density industrial grade particle board core, surfaced with High Pressure Decorative Laminate and backed with a non decorative backer. Bonding is accomplished by factory applying a rigid set glue line.
Decorative laminates and non-decorative backers used to surface PSI Wall Systems are manufactured to meet or exceed relevant standards of the National Electrical manufacturing Association (NEMA LD3-1991) for thickness, performance properties and appearance. PANEL DIMENSIONS: Panel widths are nominal 24". Panel lengths are nominal 96", 120", or 144”. Special factory machine lengths will be considered upon request and subject to product yield. FIRE RATED PANELS:
UL Class I or "A" Fire rated panels May be labeled under UL File #R10434
Test values: Flame Spread 15 - Smoke Developed 20
TEST VALUES ACHIEVED IN FULL SCALE ASTM-E84 TUNNEL BURN CONDUCTED BY UNDERWRITERS LABORATORY. ADHESIVE USED IN BONDING MUST BE APPROVED TYPE.
UL Class II or "B" Fire rated panels
Test values: Flame Spread 45 - Smoke Developed 45
TEST VALUES ACHIEVE IN SMALL SCALE ASTM-E84 BURN TEST
NOTE PANEL SPECIALISTS, INC IS LISTED IN 1998 UNDERWRITERS LABORATORIES BUILDING MATERIALS DIRECTORY.
Class III Conventional Panels
This group of panels consists of using these standard raw materials:
A. High Pressure Laminate meeting NEMA Standard LD-3 - 1991
B. Core is 45 pound industrial grade particle board meeting ANSI 208.1 SAMPLE SPECIFICATIONS | 
