An extruded polystyrene foam insulation board with square edges on four sides. Offers superior water resistance, long-term thermal performance and high compressive strength. Scoreboard is scored longitudinally on 16" and 24" centers, making it easy to snap into convenient widths. Square Edge is also available in 4" thickness.
Building Code Compliance
Complies with ASTM C 578 Type IV. Meets IBC/IRC requirements for foam plastic insulation. See ICBO-ES ER 2257, BOCA-ES RR 21-02, SBCCI PST & ESI ER 9576D, Und. Lab. Inc.® Classified, see Classification Certificate D369.
Technical Information
Nominal Board (in) | 3/4 | 1 | 1 1/2 | 2 | 2 1/2 | 3 |
Thickness (mm) | (19.1) | (25.4) | (38.1) | (50.8) | (63.5) | (76.2) |
R-Value at 75°F Mean | 3.8 | 5.0 | 7.5 | 10.0 | 12.5 | 15.0 |
Board Sizes: 4' x 8' SB; 2' x 8' and 4' x 8' SE
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