Metal Building Exterior Walls Insulation

ROXUL SAFE™ 55 & 65

ROXUL SAFE™ 55 & 65 are 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.

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Specification & sizes

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ComplianceASTM C612
ASTM C612Mineral Fiber Block and Board Thermal Insulation - Type IVB Compliant
ULC Listed
Classified UL
DensityASTM C303
ASTM C303Nominal Density, Minimum - 4.5 lb/ft³ (72 kg/m³)
Dimensional stabilityASTM C356
ASTM C356Linear Shrinkage - <1% @ 1200°F 
Dimensions
24" x 48" (610 mm x 1219 mm)
31.5" x 48" (800 mm x 1219 mm)
32" x 48" (813 mm x 1219 mm)
Thickness
Product is available in 4” thickness (101.6 mm)
Reaction to fireASTM E84 (UL 723) - CAN/ULC S102 - CAN/ULC S114 - ASTM E136 -
ASTM E84 (UL 723)Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S102Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S114Determination of Non-Combustibility of Building Materials - Non-Combustible
ASTM E136Test for Non-Combustibility - Non-Combustible
ASTM E136ULC 2 hr rated from interior side - W606
ASTM E136ULC 2 hr rated from both sides - W611
ASTM E136UL 2 hr rated from interior side - U655
ASTM E136UL 2 hr rated from both sides - U659
ASTM E136Consult UL and ULC Directories for fire rated designs
Thermal resistanceASTM C518 (C177)
ASTM C518 (C177)R-value / inch @ 75ºF - 4.2 hr.ft2.F/Btu
ASTM C518 (C177)RSI value / 25.4 mm @ 24ºC - 0.74 m2K/W
Reaction to moistureASTM C1104 - ASTM C1338
ASTM C1104Moisture Sorption - 0.04%
ASTM C1338Determination of Fungi Resistance - Passed
Corrosion ResistanceASTM C795 - ASTM C665
ASTM C795Stress Corrosion Cracking Tendency of Austenitic Stainless Steel - Passed
ASTM C665Corrosion of Steel - Passed 
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ASTM C612Mineral Fiber Block and Board Thermal Insulation - Type IVB Compliant
ULC Listed
Classified UL
Back
ASTM C303Nominal Density, Minimum - 4.5 lb/ft³ (72 kg/m³)
Back
ASTM C356Linear Shrinkage - <1% @ 1200°F 
Back
24" x 48" (610 mm x 1219 mm)
31.5" x 48" (800 mm x 1219 mm)
32" x 48" (813 mm x 1219 mm)
Back
Product is available in 4” thickness (101.6 mm)
Back
ASTM E84 (UL 723)Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S102Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S114Determination of Non-Combustibility of Building Materials - Non-Combustible
ASTM E136Test for Non-Combustibility - Non-Combustible
ASTM E136ULC 2 hr rated from interior side - W606
ASTM E136ULC 2 hr rated from both sides - W611
ASTM E136UL 2 hr rated from interior side - U655
ASTM E136UL 2 hr rated from both sides - U659
ASTM E136Consult UL and ULC Directories for fire rated designs
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ASTM C518 (C177)R-value / inch @ 75ºF - 4.2 hr.ft2.F/Btu
ASTM C518 (C177)RSI value / 25.4 mm @ 24ºC - 0.74 m2K/W
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ASTM C1104Moisture Sorption - 0.04%
ASTM C1338Determination of Fungi Resistance - Passed
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ASTM C795Stress Corrosion Cracking Tendency of Austenitic Stainless Steel - Passed
ASTM C665Corrosion of Steel - Passed 
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Tools, Guides & Downloads

 

 

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ROXUL SAFE™ 55 & 65 and ROCKWOOL PLUS™ MB Insulation for Pre-Engineered Metal Buildings
ROXUL SAFE™ 55 & 65 and ROCKWOOL PLUS™ MB Insulation for Pre-Engineered Metal Buildings

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ROCKWOOL ROXUL SAFE Application Guide
ROCKWOOL ROXUL SAFE Application Guide

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ROXUL SAFE 55 Metal Building Insulation - Techdata
ROXUL SAFE 55 Metal Building Insulation - Techdata

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ROXUL SAFE 65
ROXUL SAFE 65

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ROXUL SAFE Fire Safing Insulation - Techdata
ROXUL SAFE Fire Safing Insulation - Techdata

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Safe Use Instruction Sheet
Safe Use Instruction Sheet

ROCKWOOL provides this SUIS for safe handling and use instructions.

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