Rockwool 100mm x 600mm x 1200mm RWA45 Pack of 4 2.88m2
- Rockwool RWA45 Insulation Slab: 100mm x 600mm x 1200mm dimensions, pack of 4 covering 2.88m².
- Exceptional thermal and acoustic performance reduces heat loss and noise transfer on site.
- Euroclass A1 fire-resistant rating for enhanced safety in walls, floors and ceilings.
- Water repellent and durable to resist damp, rot and moisture build-up over time.
- Lightweight and flexible for straightforward cutting and installation on busy jobs.
The Rockwool RWA45 Insulation Slab (SKU: MMB00011) is a versatile, high-performance insulation solution tailored for builders, bricklayers and site managers who demand reliable thermal, acoustic and fire protection. Designed for use in walls, floors, ceilings and roofs, this slab delivers long-lasting efficiency and safety across both new builds and renovations. Please note this product is supplied as a pack of 4 slabs covering 2.88m².
Application
Ideal for partition walls, internal and external walls, and floor or ceiling systems requiring soundproofing and thermal insulation. It’s also suited to roof spaces and lofts where fire safety and moisture resistance are priorities. Commercial and residential projects benefit from its Euroclass A1 fire rating, helping to prevent fire spread between rooms.
Dimension
- Size per slab: 100mm x 600mm x 1200mm (approx. 4" x 24" x 47")
- Pack coverage: 2.88m² (4 slabs per pack)
- Thermal conductivity (lambda value): 0.035 W/mK
Material
- Resin bonded rock mineral wool
Type
- High-performance insulation slab for building and drylining use
Rockwool RWA45 is a trusted choice for tradespeople requiring consistent quality and easy installation, with the reassurance of outstanding fire, acoustic and thermal properties. Perfect for keeping projects on schedule and buildings comfortable and safe.
Delivery
Important: The following delivery information applies only to orders placed online.
Delivery Times
When placing your order, you will be able to view available delivery times at the checkout.
Please note: while we aim to deliver within 2–3 business days, this is subject to stock availability. A member of our team will be in touch after you place your order to confirm your delivery date.
Click & Collect is also available from selected branches. However, please be aware that stock levels can fluctuate, so we’ll confirm product availability and collection timing once your order is placed.
Delivery Charges
Orders over £150 ex VAT within our local delivery area qualify for free delivery. This excludes palletised or specialist products.
For orders under £150 ex VAT, standard delivery is £7.50 plus VAT. Certain products have specific delivery costs:
- Civil Engineering products: £20 + VAT.
- Roofing Tiles under £249.99 ex VAT: £60 + VAT.
Delivery charges and policies may vary at the discretion of our branches, and we reserve the right to amend them as required.
We offer a variety of delivery options to meet your needs nationwide, including pallet shipping (subject to size and weight restrictions), site delivery, and same-day or next-day delivery via TradeKart (available in selected postcodes).
Delivery charges are calculated based on your location, the products ordered, and your selected delivery method. Final costs will be displayed at checkout. If you have specific delivery requirements, please contact your local branch via our Branch Finder.
For any delivery-related enquiries, please email our sales team at websales@lordsbm.co.uk.
