Rather place your order over the phone? Trade customers can call us directly to place new orders on 0208 2641 144. Lines open 8am - 10pm 7 days/week.

The 75mm Rockwool RW3 is an exceptional insulation product, measuring 1200mm x 600mm and covering an area of 4.32m². This high-density mineral wool slab offers excellent thermal, acoustic, and fire-resistant properties. Suitable for a variety of applications in different types of buildings, the Rockwool RW3 is easy to install and handle, providing effective insulation for years to come. Whether youre a professional contractor or a DIY enthusiast, this product will undoubtedly meet your insulation needs.
| Material | Mineral wool |
| Type | Rigid board |
| R-value | Information not available |
| Thickness | 75mm |
| Dimensions | 1200mm x 600mm |
| Coverage area per package | 4.32m² |
| Quantity | Information not available |
| Application | Suitable for insulation in walls, floors, and ceilings |
| Installation method | Can be installed by friction fit – no need for stapling or nailing |
| Fire rating | Non-combustible, A1 Euroclass Fire Rating |
| Moisture resistance | Water repellent yet vapor permeable |
| Sound absorption rating | Excellent sound absorption characteristics |
| Environmental certifications | Eurofins Indoor Air Comfort Gold certified product |
| Compression resistance | Information not available |
| Vapor transmission | Allows for effective moisture transmission |
| Sustainability features | Made from up to 42% recycled materials |