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ROXUL SAFE™ 55 & 65

ROXUL SAFE™ 55 & 65 are a medium-density insulation products designed for exterior and interior non-load-bearing, steel-faced firewall applications where a fire resistance of at least one hour is required. ROXUL SAFE™ 65 holds a fire resistance rating of one hour, while ROXUL SAFE™ 55 holds a fire resistance rating of two hours – both from the interior side. Both products allow builders to reduce the required separation and increase the area of buildings in close proximity to each other.

  • Lightweight
  • Easy to install insulation and construct fire wall design
  • Fire resistance at zero lot line clearance
  • Non-combustible with melting point of approximately 1177°C (2150°F)
  • Dimensionally stable
  • Performs over wide temperature ranges
  • Energy-saving performance - SAFE™ 65 = R4.2; SAFE® 55 = R4.3
  • Non-corrosive
  • Does not rot, promote mildew, fungi, or bacteria
  • ROXUL can contribute to earning LEED® points
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ROXUL SAFE™ 55 & 65

Technical Information

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Property Test Standard Performance
Compliance ASTM C612 Mineral Fiber Block and Board Thermal Insulation - Type IVB Compliant
Reaction to Fire ASTM E84 (UL 723) Flame spread index = 0 ; Smoke developed index = 0
Reaction to Fire CAN/ULC S102 Flame spread index = 0 ; Smoke developed index = 0
Reaction to Fire CAN/ULC S114 Determination of Non Combustibility of Building Materials - Non Combustible
Reaction to Fire ASTM E136 Test for Non-Combustibility - Non Combustible
Reaction to Fire ASTM E136 ULC 2 hr rated from interior side - W606
Reaction to Fire ASTM E136 ULC 2 hr rated from both sides - W611
Reaction to Fire ASTM E136 UL 2 hr rated from interior side - U655
Reaction to Fire ASTM E136 UL 2 hr rated from both sides - U659
Reaction to Fire ASTM E136 Consult UL and ULC Directories for fire rated designs
Density ASTM C303 Nominal Density, Minimum - 4.5 lbs/ft³ (72 kgs/m³)
Thermal Resistance ASTM C518 (C177) R-Value / inch @ 75oF 4.2 hr.ft2.F/Btu
Thermal Resistance ASTM C518 (C177) RSI value / 25.4mm @ 24oC 0.74 m2K/W
Dimensional Stability ASTM C356 Linear Shrinkage - <1% @="" 1200°f="">
Corrosion Resistance ASTM C795 Stress Corrosion Cracking Tendency of Austenitic Stainless Steel - Passed
Corrosion Resistance ASTM C665 Corrosion of Steel - Passed
Reaction to Moisture ASTM C1104 Moisture Sorption - 0.04%
Reaction to Moisture ASTM C1338 Determination of Fungi Resistance - Passed
Thickness Product is available in 4” thickness (101.6mm)
Dimensions 24"x48" (610mm x 1219mm), 31.5"x48" (800mm x 1219mm), 32"x48" (813mm x 1219mm)
ULC LISTED
CLASSIFIED UL
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