Rockwool FirePro AIS can be used as both a fire resistant seal within construction joints and to seal FirePro CB50/60 within penetration seals. Designed to reinstate the fire resistance of compartment walls and floors, FirePro AIS provides fire resistance of up to 240 hours in accordance with EN 1366-3: 2021 and EN 1366-4:2021, subject to the application.

Important product notice

This product is part of ROCKWOOL’s next generation FirePro range. The new FirePro fire-stopping range should not be used in conjunction with ROCKWOOL’s existing fire-stopping products.

Next generation FirePro will phase out existing ROCKWOOL fire-stopping solutions. If you’re using any of these existing products for ongoing projects, please get in touch for all the support you need.

Product Data Sheet

Technical datasheet
Safety Datasheet



The above information is based on current test data, health and safety information and application instructions supplied by our suppliers and manufacturers of the products. It is supplied for guidance and to the best of our knowledge is true and accurate. Customers should satisfy themselves to the suitability of the products in its intended use and no guarantee is given or implied as the conditions of actual use are beyond our control. If in doubt the customer should consult the designer of the project or the local building control. 

Fire Stopping Shop, disclaim any liability for loss, damage or other expense which may arise from the use of this information, data or products refereed to and reserve the right to amend or change any details without notice. This statement does not affect your statuary rights.