Urethane DL

BRAND: Insu-W-Rapid Americas LLCSKU: UR-DL-3 SIZES STOCKED

AT A GLANCE

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

FormPre-formed pipe (double layer)

Thickness3-1/2"–5", double-layer, asphalt-coated

Fabricated rigid polyisocyanurate (PIR) pipe insulation in nested double layers with asphalt vapor-barrier coating, for large-diameter cold-service piping.

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↓ SPEC SHEET (PDF)

STOCKED SIZES3 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

Large-diameter chilled/cold lines
Refrigeration headers
Cold process piping

FEATURES

Closed-cell rigid foam
Double-layer staggered joints
Factory asphalt coating acts as vapor barrier
Low thermal conductivity

PACKAGING & PAIRS WITH

PackagingFabricated nested half-shells, cartoned

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

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