genflex polyisocyanurate roofing insulation
when you need a go-to product, stop right here
Polyiso is one of the most effective and economical insulation products in the roofing industry. GenFlex Polyiso goes above and beyond. Our highly efficient thermal insulation board options which include GenFlex Polyiso, Tapered Polyiso, Coated Glass Facer, Composite Polyiso, Nailbase Polyiso and HD ISO combine unmatched reliability with impact resistance, energy savings, fire resistance and ease of handling and installation. Plus its affordable. So why go anywhere else?
GENFLEX POLYISO
Perfect for use with virtually all membrane roofing systems, GenFlex Polyiso is a highly efficient thermal insulation board with a polyisocyanurate foam core bonded to fiber-reinforced facers. It is approved for new construction and reroofing over virtually all roof deck types
- Installation methods: Insulation adhesive, mechanically attached and loose laid
- Thickness: 1.5 (38.1 mm) to 4.0 (101.6 mm)
- Standard size: 4' x 4' (1.22 m x 1.22 m) and 4' x 8' (1.22 m x 2.43 m)
GENFLEX TAPERED POLYISO
Tapered to provide a sloping surface, it promotes positive drainage for roofing applications. Approved for new construction and reroofing over steel, wood, noncombustible and certain types of nailable roof decks. GenFlex roof estimating services can design a custom tapered system for any building.
- Installation methods: Insulation adhesive, mechanically attached and loose laid.
- Standard size: 4' x 4' (1.22 m x 1.22 m)
- Thickness: 1/2" (12.7 mm) min. to 4 1/2" (114.3 mm) max.
- Slope per foot: 1/16" (.5%), 1/8" (1%), 1/4" (2%) and 1/2" (4%)
- Availability: Available with coated glass facer
GENFLEX NAILBASE POLYISO
Combines nailable oriented strand board (OSB) and thermally efficient polyiso insulation protecting against accidental puncture, hail up to two inches in diameter and 100 mph winds. Its also suitable for use with single-ply or asphalt membranes, metal roofing and shingles.
- Installation methods: Insulation adhesive, mechanically attached and loose laid.
- Thickness: 1.5 (38.1 mm) to 4.0 (101.6 mm)
- Standard size: 4 x 4 (1.22 m x 1.22 m) and 4 x 8 (1.22 m x 2.43 m)
GENFLEX HD POLYISO
GenFlex HD ISO Cover Board is a high-density polyiso insulation designed for use anywhere a cover board is required. This high-density polyiso product incorporates several next generation features that result in a lightweight, yet extremely strong roof insulation.
- Installation methods: Insulation adhesive, mechanically attached and loose laid.
- Thickness: 1/2-thick (12.7 mm)
- Standard size: 4 x 4 (1.22 m x 1.22 m) and 4 x 8 (1.22 m x 2.43 m)
- Weight: 11 lb. per 4 x 8
COATED GLASS FACER
GenFlex Coated Glass Facer ISO Insulation is a closed cell polyisocyanurate foam core, bonded chemically to a heavy duty, dimensionally stable, inorganic, double coated glass facer. It is compatible with GenFlex EPDM and GenFlex EZ TPO Membranes.
- Installation methods: Insulation adhesive, mechanically attached and loose laid.
- Thickness: 1" (25.4 mm) min. to 4" (101.6 mm), flat or selected tapered
- Standard size: 4' x 4' (1.22 m x 1.22 m) and 4' x 8' (1.22 m x 2.43 m), flat or selected tapered
GENFLEX COMPOSITE POLYISO
Combines 1/2 of GenFlex HD ISO with GenFlex Polysio. Its factory laminated in a reliable, in-line manufacturing process. These two proven products offer higher performance and energy efficiency for modified bitumen, BUR and single-ply applications, while saving installation time and labor.
- Installation methods: Insulation adhesive, mechanically attached and loose laid.
- Thickness: 1.5 (38.1 mm) min. to 4 (101.6 mm)
- Standard size: 4 x 4 (1.22 m x 1.22 m) and 4 x 8 (1.22 m x 2.43 m)
Warranties and Code Requirements
A full array of warranties, including full system coverage of membrane, insulation and accessories, is available. Warranted installations are inspected by Technical Representatives, ensuring that the roofing system meets all warranty requirements. GenFlex has systems that have achieved Underwriters Laboratories (UL) classifications and Factory Mutual (FM) approvals. GenFlex systems are also listed by International Code Council (ICC).