Rockwool Ablative Batt
Fire stopping solution for concrete floors, masonry and dry wall systems, following the creation of voids for the passage of services.
Provides fire resistance up to 2 hours (50mm) and up to 4 hours (60mm).
Tested for air tightness, providing an additional smoke and acoustic seal.
Non-combustible – Euroclass A1.
Lightweight and simple to install. Easy to to repair if damamged. Requires little to no maintenace upkeep.
Made from diabase rock, which is a renewable and plentiful natural resource.
Does not contain gases that have ozone depletion potential (ODP) or global warming potential (GWP).
Thicknesses and Availability:
This Rockwool Range includes the following readily available product thickness: 50mm.
The following thickness will need to be sourced from the manufacturer and may have minimum order requirements: 60mm.
Product Information
General information about Rockwool Ablative Batt
Product Application
Fire stopping to service and void penetrations
Rockwools fire protection batt, Ablative Coated Batt, is specifically designed to provide fire stopping solutions to service and void penetrations in floors and walls.
Product Make-up
Core
Durable non-combustable stone wool spun from volcanic rock, compressed and resin bonded into slabs.
Facings
Faced on both sides with a high performance ablative coating.
Product Properties
| Thickness | 50mm to 60mm | |
| Slab Length | 1.2m | |
| Slab Width | 0.6m | |
| Slab Edge | Square |
Product Prices
Buy Rockwool Ablative Batt
Limited stock of the 50mm Ablative Batt is held at most of our depots. Where we need to bring stock in from the manufacturer, please allow up to 2 weeks for delivery
- Generally 1 or 3 working days for delivery
- Generally 1 to 5 working days for delivery
- Generally 5 to 10 working days for delivery
- Special request or made to order item, allow extended lead times. Minimum order levels may apply.
- Please call to check availability and approximate lead times
Product availability depends upon stock levels at closest depot and delivery logistics to geographic locations
Product Performance and Guides
Product Performance, Manufacturer Downloads, and Installation Guides
Product Performance
| Fire Performance | Classification A1 | BS EN 13501-1 |
| Surface Spread of Flame | Non-combustable | |
| Nominal Density | 160 kg/m³ |
Fire Performance
A single 50mm Ablative Coated Batt can provide up to 2 hours fire resistance integrity and insulation, ratings are dependent upon the service penetrations and void size. Where 4 hours integrity and insulation are required it is recommended to use 60mm Ablative Coated Batt.
Acoustic Performance
Tested for head of wall:
- Rw= up to 48db (2 x Coated batts)
- Rw= up to 37db (1 x Coated batts)
The correct use of Coated batt within concealed cavities and voids will reduce the level of transmitted sound:
- Rw= up to 52 db (2 x Coated batts) - incorporating 48mm O/D PVC /15mm copper pipe penetrations.
- Rw= up to 34 db (1x Coated batts) - incorporating 48mm O/D PVC /15mm copper pipe penetrations.
For specific acoustic requirements please contact ROCKWOOL Technical Solutions.
Product Certificates
Please visit the Rockwool website for product certificates.