Description
                          
                        
                      
                      Description
50mm thick Rocksilk® RS45 is a Rock Mineral Wool slab, designed for use in multiple thermal and acoustic applications.
It is non-combustible with the best possible Euroclass A1 reaction to fire classification, and is manufactured using Knauf Insulation's unique bio-based binder, ECOSE® Technology.
- 50mm thick
- 1200mm x 600mm
- Pack Quantity: 10
- Thermal Conductivity: 0.035W/mK
- R-Value: 1.4m2K/W
- Single slab can be used for multiple applications.
- Can be provided with a factory applied foil or tissue facing, offering solutions for a wide variety of applications.
Suitable For
Multi-Application, Ground floors, Internal floors, Separating floors, Fabrication, Pitched roofs at rafter level, Internal walls / partitions, Light steel frame walls, Timber frame walls
| Thickness: | 50 mm | 
| Length: | 1200 mm | 
| Width: | 600 mm | 
| Coverage: | 7.20 m² | 
| R-value *: | 1.4 m²K/W | 
| Thermal conductivity: | 0.035 W/mK | 
| Density: | 45 kg/m³ | 
* The R-value denotes the resistance to heat flow – the higher the R-value the more insulating the product is.
                        
                          Delivery
                          
                        
                      
                      Delivery
Delivery under £500
| Postcode Area | Main Towns | Delivery Fee | 
|---|---|---|
| NG1-3 (Nottingham) | Nottingham | Free | 
| NG4-34 (Nottingham) | Nottingham, Mansfield, Newark | £15 | 
| DE (Derby) | Derby, Ilkeston, Alfreton | £20 | 
| LE (Leicester) | Leicester, Loughborough, Melton | £25 | 
| LN (Lincoln) | Lincoln, Sleaford, Grantham | £35 | 
| S (Sheffield fringe) | Chesterfield, Worksop, Sheffield south | £40 | 
| DN (Doncaster edge) | Doncaster, Retford | £45 | 
| PE (Peterborough north) | Stamford, Bourne, Peterborough | £50 | 
Delivery to the rest of the UK
Please contact our sales team for delivery outside of the East Midlands.
Click & Collect
Collection is available from our Nottingham depot by selecting Click & Collect during checkout.
                        
                          Price match promise
                          
                        
                      
                      Price match promise
Found a product cheaper elsewhere? Please submit a price comparison request.

Why The Good Sheet?
- Extensive Stock: We hold a vast inventory of sheets in various colours, finishes, and sizes.
- Quick Delivery: We can deliver what you need quickly and efficiently.
- Unmatched Quality: You’re investing in the best - sheets that offer superior quality and durability.
- Precision Cutting: Our advanced CNC cutting technology ensures accurate and repeatable cuts with a tolerance of +/- 1-2mm
 
            
 
       
        