Rockwool RWA45 Acoustic Insulation Slab 1200 × 600mm – 50mm (6.48m² pack)
Rockwool RWA45 Acoustic Insulation Slab 1200 × 600mm – 50mm (6.48m² pack)In stock
Minimum order £400 ex VAT, free delivery in England · Mainland Wales & Scotland: minimum order £400 ex VAT + £40 + VAT delivery
Delivery timing depends on stock and location; contact us before ordering if your project has a deadline. Full delivery rules
Spread the cost: pay in 3 with Klarna, PayPal or Shop Pay at checkout Subject to status.
Bulk orders? Call 03330 908479 or contact us for a bulk quote.
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How many do I need?
This product covers 6.48m² per pack, as shown in the product title. Enter the area you need to cover.
For a full take-off, try the insulation calculator.
Delivery
Minimum order £400 ex VAT, free delivery in England · Mainland Wales & Scotland: minimum order £400 ex VAT + £40 + VAT delivery · Full delivery rules
- Free delivery with forklift offload
- Minimum order £400 ex VAT on insulation, plasterboard & drylining
Minimum order applies: add £400.00 ex VAT of these items to reach the £400 ex VAT minimum order.
Delivery timing depends on stock and location; contact us before ordering if your project has a deadline. Full delivery details · Urgent courier quote (extra charge) · 03330 908479
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- Genuine manufacturer stock
- Trade pricing, shown ex VAT
- Call 03330 908479 for bulk quotes
Need a quote for a bigger job?
For larger quantities or a full project list, call us, send a message or chat on WhatsApp. We will come back with a quote.
Rockwool RWA45 is an acoustic insulation slab (stone wool) for partitions, separating floors, ceilings and walls where sound and thermal insulation is needed. It has a declared thermal conductivity of 0.035 W/mK according to the manufacturer's datasheet. Each pack covers 6.48m².
Specifications
| Brand | Rockwool |
|---|---|
| Thickness | 50mm |
| Board size (L × W) | 1200 × 600mm |
| Material | Stone wool |
| Thermal conductivity (λ) | 0.035 W/mK |
| Reaction to fire | Euroclass A1 (non-combustible) |
| Product standard | EN 13162 |
| Coverage | 6.48m² |
| Sold as | Pack (6.48m²) |
Delivery
Free delivery to England on every order; minimum order £400 + VAT. Delivered by Moffett lorry (forklift offload); someone must be present to receive it.
Downloads & technical information
FAQs
Is the price per board or per pack?
The price shown is for one pack covering 6.48m².
How many do I need?
Divide the area to be covered (m²) by 6.48m² and round up, then allow around 10% extra for cutting and waste.
What are the delivery charges?
Free delivery to England on every order; minimum order £400 + VAT. Delivered by Moffett lorry (forklift offload); someone must be present to receive it. Delivered in England only. We do not deliver to Northern Ireland or the Scottish islands.
Where can I find U-values and installation guidance?
See the manufacturer documents linked in the Downloads & technical information section above, or contact our team for help.
Quick answers
- What size is Rockwool RWA45 Acoustic Insulation Slab 1200 × 600mm – 50mm and how much does it cover?
- Size: 1200 × 600mm; thickness: 50mm; coverage: 6.48m²; sold as: Pack (6.48m²). Prices are shown ex VAT.
- What is Rockwool RWA45 Acoustic Insulation Slab 1200 × 600mm – 50mm used for?
- Rockwool RWA45 is an acoustic insulation slab (stone wool) for partitions, separating floors, ceilings and walls where sound and thermal insulation is needed.
- What is the thermal and fire performance of Rockwool RWA45 Acoustic Insulation Slab 1200 × 600mm – 50mm?
- According to the manufacturer's data listed on this page: declared thermal conductivity (λ) 0.035 W/mK; reaction to fire Euroclass A1 (non-combustible).
- What does delivery cost and is there a minimum order?
- Delivery is free to England with a minimum order of £400 ex VAT (insulation, plasterboard and drylining can be combined to reach the minimum). We deliver to England only. Call 03330 908479 or email sales@insulationwarehousedirect.co.uk for help or bulk quotes.
Thickness & R-value table – this product: R 1.40 m²K/W
Thickness & R-value table – this product: R 1.40 m²K/W
Rockwool RWA45 Acoustic Insulation Slab – all 3 thicknesses we stock.
R-value = thickness (m) ÷ thermal conductivity λ, using the λ declared for each product, rounded down to the nearest 0.05 m²K/W. Always check the manufacturer's declaration of performance and your U-value calculation for Building Regulations.
Delivery information
Delivery information
Minimum order £400 ex VAT. Free delivery in England. Mainland Wales and Scotland: £400 ex VAT minimum plus £40 + VAT delivery.
Insulation, plasterboard, drylining, ceilings, timber, aggregates and cement. Separately delivered ranges have separate minimums. Access panels and Evolution fixings have their own delivery rules.
Delivery timing depends on stock and location; contact us before ordering if your project has a deadline.
