It’s more than safe. It’s ROXUL SAFE.

We have made your fire-safing projects easier – providing you with a comprehensive lineup of the highest-performing insulation solutions available.

ROCKWOOL ROXUL SAFE products can withstand intense heat up to 2150°F (1177°C) without melting, producing smoke or propagating flames. And this means you’re providing your clients with the best job, and highest level of safety, possible.


Exterior curtain wall, head of wall, floor-to-floor

ROCKWOOL ROXUL SAFETM product is a non-combustible, lightweight and water-repellent semi-rigid insulation board that provides fire-stopping and acoustical insulation properties. Specifically engineered and produced as a fire-stopping material for commercial, industrial and residential buildings, it can also be used for interior top-of-wall, through-wall penetrations and floor assemblies where fire stopping is required or desired.

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Party wall – residential

ROXUL SAFETM 45 is a semi-rigid stone wool insulation board product used as a fire-stopping and fireblocking material in concealed spaces in multi-unit residential buildings. Measured to fit, ROXUL SAFETM 45 is easily installed, non-combustible and offers excellent acoustical and thermal properties. It also does not promote growth of fungi or mildew and is water repellent.

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Exterior metal building

These products are designed for exterior and interior non-load-bearing, steel-faced firewall applications where a fire resistance of at least one hour is required. ROXUL SAFETM 65 holds a fire resistance rating of one hour, while ROXUL SAFETM 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.



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ROCKWOOL ROXUL SAFE Applications Guide

Make your fire-first application even safer.

Made of non-combustible material

ROCKWOOL ROXUL SAFETM products have a melting point of up to 2150°F (1177°C) and will not develop smoke or spread flames when exposed to fire.

Energy-saving thermal performance

Contribute to enhancing the efficiency of the building envelope – lowering your client’s long-term energy costs.

Easy to find everything you need

Now, all ROCKWOOL fire-safing products have been brought together under the ROXUL SAFETM brand name – making it easier to find everything you need for your applications.

RockBoard_lr, exterior wall, insulation, outdoor