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ROXUL SAFE™ 45 is a semi-rigid stone wool insulation board ideal for fire stopping in concealed spaces of multi-unit residential buildings. This product complies with the 2006 Building code (2).

Applications: This product is specifically engineered for use as a firestopping material in concealed spaces of multi-unit residential buildings

  • Properties:
  • Easily Installed
  • Non-combustible
  • Excellent sound absorbency
  • Does not promote growth of fungi or mildew
  • Water Repellent
  • Chemically inert; non-corrosive
  • Water resistant
  • CFC - and - HCFC free, product and process
  • Made from natural & recycled materials
  • ROXUL can contribute to earning LEED® points
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Product Range

Item Number Thickness (in) Width (in) Length (in) Pieces Per Pack Packs Per Pallet sq ft Per Pack sq ft Per Pallet
169072 1 24 48 18 10 144 1440

Technical Information

Property Test Standard Performance
Compliance ASTM C612 Mineral Fiber Block and Board Thermal Insulation - Type IVA Compliant
Compliance CAN/ULC S702 Mineral Fibre Theraml Insulation for Buildings - Type 1 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 Behaviour of materials at 750°C - Non Combustible
Density ASTM C303 Actual Density - 4.4 lbs/ft³ (70 kgs/m³)
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
Thermal Resistance ASTM C518 (C177) R-Value / inch @ 75oF - 4.2 hr.ft2.F/Btu RSI value / 25.4mm @ 24oC - 0.74 m2K/W
Reaction to Moisture ASTM C1104 Moisture Sorption - 0.03%
Reaction to Moisture ASTM C1338 Determination of Fungi Resistance - Passed
Thickness Product is available in 1” thickness (25.4mm)
Dimensions 16"x48" (406mm x 1219mm), 24"x48" (610mm x 1219mm)

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