Skip to main content

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.

ROXUL Safe 55 Packaging Render
RockBoard_lr, exterior wall, insulation, outdoor

1/2

  • UL Classified - CA/USA

Popular applications

  • Metal building insulation

About ROXUL Safe® 55 & 65

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 metal building insulation - Data sheet

ROXUL Safe 55 metal building insulation - Data sheet

ROCKWOOL ROXUL SAFE™ 55 is a medium-density stone wool insulation for exterior and interior non-load-bearing, steel-faced firewall applications where a fire resistance rating is required. It is approved for use in a 2-hour fire rated system

ROXUL Safe 65 metal building insulation - Data sheet

ROXUL Safe 65 metal building insulation - Data sheet

ROCKWOOL ROXUL SAFE™ 65 is a medium-density stone wool insulation for exterior and interior non-loadbearing, steel-faced firewall applications where a fire resistance rating is required. It is approved for use in a 1-hour fire-rated system.

Safe Use Instruction Sheet

Safe Use Instruction Sheet

This sheet gives safe handling instructions for non-regulated rockwool products.

ROXUL Safe-55_info-technique_fr

ROXUL Safe-55_info-technique_fr

ROCKWOOL ROXUL Safe 55 est un isolant en laine de roche, résistant au feu 2 heure.

ROXUL Safe-65_info-technique_fr

ROXUL Safe-65_info-technique_fr

ROCKWOOL ROXUL Safe 65 est un isolant en laine de roche, résistant au feu 1 heure.

Young woman working on a laptop computer in a modern office. She is focused and holding a pen. There is paperwork and a phone on her desk. Stock photo ID:1590619701

Attend a ROCKonnect Masterclass

Earn CEUs and gain expert insights into high-performance building envelope design—all in a live virtual format built for commercial building professionals. Learn from award-winning experts and apply real-world solutions to your next project.

Product support & insights

From expert technical guidance to real-world case studies and certified sustainability documents, access the tools and insights that support confident, high-performance building with stone wool insulation.

Speak to an expert

Contact our technical team for product, application, and building science support on stone wool insulation.

Technical
Toronto Office Milton Canada

View our case studies

Discover some of our case studies to learn more about applications of our products in various projects across North America.

Charlie West Tower

Access sustainability documentation

Explore ROCKWOOL’s certified products for transparency and sustainability, including EPDs, HPDs, GREENGUARD, and Declare labels.

Commercial building with reflection