Available in United States
With a planed surface, STYROFOAM™ Brand DECKMATE™ Plus FA Insulation is designed for use in fully adhered conventional low-slope roof applications. The Type IV extruded polystyrene foam insulation boards can be installed directly on structural steel decks beneath a non-bituminous sheet membrane, eliminating the need for a thermal barrier. Available in flat and tapered board stock.
Building Code Compliance
Complies with ASTM C578 Type IV. Meets IBC/IRC requirements for foam plastic insulation. See ESR-2142, BOCA-ES RR 21-02, ICBO-ES ER-2257, ICBO-ES ER 5155. UL Classified, see Classification Certificate D369.
3D Model Using STYROFOAM™ Brand DECKMATE™ Plus FA Insulation (320KB)
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STYROFOAM™ Brand DECKMATE™ Plus FA Insulation CAD Details
Related Information
A Great Angle on Flat Roofs – STYROFOAM™ Brand Tapered DECKMATE™ Plus FA Insulation Brochure (196KB PDF)
Fully Adhered Roofs Stay Put With STYROFOAM™ DECKMATE™ Plus FA and INSTA STIK™ Quik Set (160KB PDF)
Rigid Polystyrene Roof Board Insulation – Fully Adhered STYROFOAM™ DECKMATE™ Plus FA Guide Specification (17KB PDF)
Conventional Roof Sell Sheet – Performance, Strength and Comfort (1.03MB PDF)
20-Year Limited Thermal Warranty (54KB PDF)
STYROFOAM™ Brand XPS for Conventional Roofs Sell Sheet (556KB PDF)
STYROFOAM™ DECKMATE™ and DECKMATE™ Plus FA Reuse Warranty (114KB PDF)
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U.S. Commercial
STYROFOAM™ Brand DECKMATE™ Plus FA Insulation has a planed surface and is designed for use in fully adhered conventional low-slope roof applications. It can be installed directly on structural steel decks beneath a non-bituminous sheet membrane, eliminating the need for a thermal barrier.
| Nominal Board Thickness(1), in | R-Value(2) | Board Size, ft | Edge Treatment | Min Compressive Strength(3), psi |
| 1.5 | 7.5 | 2 x 8 / 4 x 8 | Square Edge | 25 |
| 2.0 | 10.0 | 2 x 8 / 4 x 8 | Square Edge | 25 |
| 2.5 | 12.5 | 2 x 8 / 4 x 8 | Square Edge | 25 |
| 3.0 | 15.0 | 2 x 8 / 4 x 8 | Square Edge | 24 |
| 4.0 | 20.0 | 2 x 8 / 4 x 8 | Square Edge | 25 |
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(1) Not all product sizes are available in all regions. (2) R means resistance to heat flow. The higher the R-value, the greater the insulating power. R-values are expressed in ft2•h•°F/Btu. R-value determined by ASTM C518. (3) Vertical compressive strength is measured at 10% deformation (5% for STYROFOAM™ Brand PLAZAMATE™ Insulation and for STYROFOAM™ Brand HIGHLOAD 40, 60 and 100 Insulation products) or at yield, whichever occurs first. Since STYROFOAM™ Brand Extruded Polystyrene Foam and Dow polyisocyanurate insulation products are visco-elastic materials, adequate design safety factors should be used to prevent long-term creep. For static loads, 3:1 is suggested. For dynamic loads, 5:1 is suggested. |
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07 22 16 Roof Board Insulation (Conventional Membrane Systems)
07 50 00 Conventional Membrane Roofing Insulation