FOAMULAR® 604 & 604 RB
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FOAMULAR® 404, 604, 404 RB & 604 RB Extruded Polystyrene (XPS) Rigid Foam Insulation Product Data Sheet offers four specific types of FOAMULAR® insulation for this use: FOAMULAR® 404 & 604, both featuring drainage channels on all four bottom edges; and FOAMULAR® 404 RB & 604 RB. FOAMULAR® 404 RB and 604 RB have four bottom edge drainage channels, and drainage channels running the length of the panel on the top surface as well. Energy-Saving, MoistureResistant High Strength XPS Rigid Insulation Insulation for PRMA Roofs 404 and 404 RB: ASTM C578 Type VI, 40 psi minimum 604 and 604 RB: ASTM C578 Type VII, 60 psi minimum Description FOAMULAR® 404 and FOAMULAR® 604 extruded polystyrene (XPS) insulations are specially designed for use in Protected Roof Membrane Assemblies (PRMA), where the insulation is placed directly over the membrane. The compressive strength of FOAMULAR® insulation provides the integrity needed for long-term roof performance. FOAMULAR® insulation is produced by Owens Corning’s patented HYDROVAC® process technology under conditions of strict quality control. Extruded polystyrene is the only type of insulation recommended for PRMA applications. Owens Corning With a minimum of 40 psi compressive strength, FOAMULAR® 404 insulation meets the needs of many PRMA applications. For even greater strength, specify the 60 psi compressive strength of FOAMULAR® 604 insulation. Both products feature rain channels on all four bottom edges to promote drainage below the insulation. FOAMULAR® 404 RB and FOAMULAR® 604 RB insulation products are used when the insulation is to be placed directly beneath concrete or other types of paver blocks, eliminating the need for pedestals resulting in significant labor and material savings. These high compressive strength, high durability products are used as the insulation layer placed under the ballast of the PRMA roof and offer excellent drainage characteristics because they’re manufactured with channels that are cut in the surface of the foam the entire length of each panel. Coupled with the standard bottom-side rain channels, the top side channels help drain moisture away from the underside of the paver to protect it from freeze/thaw cycle damage. Key Features • FOAMULAR® 404 and 604 insulation products protect the roof membrane from physical damage, thermal stress and UV exposure in PRMA systems • Designed for use directly with pavers, FOAMULAR® 404 RB and 604 RB insulation products provide the support necessary for pavers while maintaining the drainage necessary to prevent moisture accumulation at the foam-paver interface • Excellent long-term stable insulating performance with an R-value1 of R-5 per inch • Exceptional moisture resistance, long-term durability • Limited lifetime warranty2— maintains 90% of R-value and covers all ASTM C578 properties • The only XPS foam to be GREENGUARD Children & Schools CertifiedSM • The only XPS foam with certified recycled content— certified by Scientific Certification Systems (SCS) to contain a minimum 20% recycled content • Will not corrode, rot or support mold growth • Zero ozone depletion potential with 70% less global warming potential than our previous formula • Reusable

FOAMULAR® 404, 604, 404 RB & 604 RB Extruded Polystyrene (XPS) Rigid Foam Insulation Product Data Sheet • Lightweight, durable rigid foam panels are easy to handle and install • Easy to saw, cut or score Technical Information When FOAMULAR® 404, 604, 404 RB and 604 RB are used under dark colored, non-white pavers other than concrete, such as rubber, additional solar heat protection should be considered. For roofing and other horizontal applications, product should be installed with the printed surface facing downward. This product is combustible. A protective barrier or thermal barrier is...

FOAMULAR® 404, 604, 404 RB & 604 RB Extruded Polystyrene (XPS) Rigid Foam Insulation Product Data Sheet Product and Packaging Data FOAMULAR® 404, 604, 404 RB and 604 RB Extruded Polystyrene Insulation Material Packaging Extruded polystyrene closed-cell foam panel with continuous skin on face and back surface. Shipped in poly-wrapped units with individually wrapped or banded bundles. Pallet (Unit) Dimensions (typical) Width (ft) x Length (ft) x Height (ft) Square feet per Pallet 1.5 x 24 x 96 4x8x8 2,048 3,072 8 16 2 x 24 x 96 4x8x8 1,536 3,072 8 12 96 2.5 x 24 x 96 4x8x8 1,152 2,880 8 9 72...

FOAMULAR® 404, 604, 404 RB & 604 RB Extruded Polystyrene (XPS) Rigid Foam Insulation Product Data Sheet Environmental and Sustainability Owens Corning is a worldwide leader in building material systems, insulation and composite solutions, delivering a broad range of highquality products and services. Owens Corning is committed to driving sustainability by delivering solutions, transforming markets and enhancing lives. More information can be found at www.sustainability. owenscorning.com. Warranty FOAMULAR® XPS insulation limited lifetime warranty maintains 90% of its R-value for the...