GAF Materials Corporation
1361 Alps Road
Wayne, NJ 07470
Toll-Free: (800) 766-3411
Web site: http://www.gaf.com
Product Data Sheet
EverGuard® Recover Boards
GAF EverGuard ® single-ply roofing systems include a full line of
EverGuard rigid foam recover boards. EverGuard foam recover boards provide
an excellent moisture-resistant substrate surface for the installation
of EverGuard membranes. The following EverGuard foam recover boards are
available:
| Product | Description | Benefit/Application |
| Iso Recover Board | Isocyanurate insulation-16 psi compressive strength | • Highest R-value of all EverGuard recover boards
• Compatible with bonding adhesives • Non-asphaltic heavy coated fibrous facers |
| XPS Fan-Fold Board | Extruded polystyrene insulation - 20 psi compressive strength | • Consistent high R-value for life of roof assembly
• Large 4' x 50' panels speed application • Polyethylene facers |
| XPS Recover Board | Extruded polystyrene insulation - 25 psi compressive strength | • Consistent high R-value for life of roof assembly
• Closed-cell surface eliminates moisture absorption |
| EPS Recover Board | Expanded polystyrene insulation - 15 psi compressive strength | • Higher R-value than mineral/fiber recover boards
• Most economical foam recover board • White polyethylene facers upon request |
Thermal Resistance (R-Value) Information
| Thickness | ISO Recover Board | XPS Fan-Fold Board | XPS Recover Board | EPS Recover Board |
| 0.38" | 1.5 | |||
| 0.50" | 3.0 | 2.5 | 2.1 | |
| 0.75" | 4.5 | 3.7 | 3.1 | |
| 1.0" | 6.0 | 5.0 | 4.1 |
Shipping, Packaging and Handling Information
| Note: Product sizes, dimensions, and widths are nominal values and are subject to normal manufacturing/packaging tolerance and variation | ||||
| ASTM Standard | Density | Comp. Strength | Board Sizes | |
| ISO Recover Board | C-1289 Type II | 1.8 pcf nom. | 16 psi nom. | 4' x 4', 4' x 8' |
| XPS Fan-Fold Board | C-578 Type X | 1.3 pcf min. | 15 psi min. | 4' x 50' |
| XPS Recover Board | C-578 Type IV | 1.6 pcf min. | 25 psi min. | 4' x 8' |
| EPS Recover Board | C-578 Type II | 1.35 pcf min. | 15 psi min. | 4' x 4', 4' x 8' |
| Storage | Store in original bundles, inside a dry area, or outside under breathable tarpoline | |||