ROXUL Safe® 55 & 65
ROCKWOOL ROXUL Safe® 55 & 65 are stone wool insulation boards approved for use in metal building assemblies where a 1- or 2-hour fire resistance rating is required from one side or both sides of the wall.
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Popular applications
- Metal building insulation
About this product
ROCKWOOL ROXUL Safe® 55 & 65 are stone wool insulation boards for exterior and interior non-load-bearing, steel-faced firewall applications where a fire resistance rating is required. It is approved for use in UL and ULC 1- and 2-hour fire rated systems.
ROXUL Safe 55 & 65 are noncombustible, and will not produce toxic smoke or promote flame spread. ROCKWOOL offers single- or double-sided fire-rated assemblies, and is ideally suited for zero lot line applications where buildings are in close proximity.
- Noncombustible and fire resistant
- Available in 1 and 2-hour rated assemblies
- Excellent acoustic performance
- Water and moisture repellent
- Inorganic, does not promote mold growth
Why use stone wool insulation
- Stable long-term R-values for superior thermal performance.
- Non-combustible and fire resistant, stone wool works to contain a fire and prevent its spread.
- Water resistant, stone wool does not rot or promote the growth of mildew, fungi or mold.
Applications
- Installed in metal buildings where a fire-resistance rating is required.
- A component of 1- and 2-hour fire resistance rated assemblies.
Product certificates
UL Classified - CA/USA
ROXUL Safe® 55 & 65 sizes, dimensions & packaging
Find ROXUL Safe® 55 & 65 thickness, width, length and pack quantities—everything you need for accurate specification and ordering.
- All
- 12.6
- 16.8
- All
- 3
- 4
Specifications & testing
Explore ROXUL Safe® 55 & 65 specifications and test results, based on relevant industry standards.
| Name | Value | Test standard |
|---|---|---|
| Mineral Fiber Block and Board Thermal Insulation | Type IVB Compliant | ASTM C612 |
| Flame spread index | 0 | ASTM E84 |
| Smoke Developed Index | 0 | ASTM E84 |
| Combustibility of Materials at 750 °C | Non-combustible | ASTM E136 |
| Determination of Non Combustibility of Building Materials | Non-combustible | CAN/ULC S114 |
ROXUL Safe® 55 & 65 technical documents & resources
Download ROXUL Safe® 55 & 65 technical documents and resources, including the product data sheet, to support accurate specification and efficient project planning.
ROXUL Safe 55 metal building insulation - Data sheet
ROXUL Safe 65 metal building insulation - Data sheet
ROCKWOOL ROXUL safe application guide
ROXUL Safe 55 & 65 and ROCKWOOL Plus MB insulation for pre-engineered metal buildings
Stone wool insulation for exterior and interior steel-faced firewall applications. ROXUL Safe 55 and 65 products and solutions for tested and approved 1- and 2-hour fire-rated systems.
Guidelines for cutting stone wool insulation
Dimensional stability of rigid board insulation products
Safe Use Instruction Sheet
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