Urethane Flat Block

BRAND: Insu-W-Rapid Americas LLCSKU: UR-FB-2 SIZES STOCKED

AT A GLANCE

Max temp300°F (typ. polyurethane service limit per ASTM C591)

FormRigid board (flat block)

Thickness1-1/2"–2" (plain or asphalt-coated)

Rigid polyisocyanurate (PIR) flat block/board for cold-service tank flats, supports and equipment.

STOCKED SIZES2 SIZES

TECHNICAL DATA

StandardASTM C591 (rigid cellular PIR); Nestaan / Elliot bunstock per IWRA 2026-Q3

Thermal conductivity (k)0.19 @ 75°F (typ. aged design value for 2-pcf PUR/PIR)

Density2.0 lb/ft3 nominal (2# PIR per IWRA 2026-Q3 price list)

CombustibilityCombustible — protect from high heat sources; cover per code

APPLICATIONS

FEATURES

PACKAGING & PAIRS WITH

PackagingFabricated segments, bagged/cartoned

Handling & storageStore indoors; protect from UV and open flame; asphalt-coated sections: avoid stacking in heat

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