100mm Rockwool RWA45 Slab 600x1200mm 2.88m2 4 Slabs per pack

100mm Rockwool RWA45 Slab 600x1200mm (2.88m², 4 slabs per pack) is a high-performance acoustic and thermal insulation board for walls, floors and partitions.

  • Product Code: 47833
  • Width: 600mm
  • Length: 1200mm
  • Thickness: 100mm
  • Size: 2.88m2
  • Availability In stock
£36.22 £30.18
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100mm Rockwool RWA45 Slab 600x1200mm (2.88m², 4 slabs per pack) is a premium stone wool insulation product designed to deliver excellent thermal efficiency, acoustic performance and fire resistance. Manufactured from non-combustible mineral wool, it provides reliable protection against heat loss while also reducing sound transmission between rooms and spaces.

Ideal for use in internal partitions, floors, ceilings and stud wall systems, this versatile insulation slab is suitable for residential, commercial and industrial construction projects. Its dense yet easy-to-handle structure allows for straightforward cutting and installation between timber or metal framing. A trusted solution for builders and contractors, Rockwool RWA45 offers long-lasting performance, improved energy efficiency and enhanced acoustic comfort in modern building applications.

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Delivery Information:

Free Next Day Delivery on orders over £50 to Office, Home or Site.

Orders placed before 4:00pm will be dispatched same day on a next working day service.

Kindly note that our working days are Monday to Friday. Orders placed after 4:00pm on a Friday will be dispatched on Monday using a next working day service, with an expected delivery on Tuesday.

Method Price
Order Value Under £50 (ex. VAT) £8.00 ex. VAT
£9.60 incl. VAT
Order Value Over £50 (ex. VAT) FREE


Please note some areas and bespoke products such as plasterboard may incure additional delivery charges. If this is the case we will call or e-mail you to discuss.


Plasterboard & Ceiling Grids/Tile Deliveries

Orders to Andover, Winchester, Basingstoke and Reading can be ordered directly online with a delivery charge of £50.00 (ex. VAT) and £60.00 (incl. VAT). Orders to other areas in the United Kingdom can be ordered via e-mail / phone enquiry. Delivery charges will be based on product weight, dimensions and postcode location. Delivery will be quoted on a case by case basis.

Items not required

Should you require to return any item, we will allow you to do so within 14 days of receipt of the item for a full refund.

To begin the process of returning any item please email [email protected].

Return Handling Fee

A handling charge of £10.00 (ex. VAT) per parcel will apply to returns.

For larger orders sent via pallet or dedicated/special courier a handling charge of 20% of the paid value of the returned goods will apply to returns. 

A refund for returned items will be processed within 14 days of collection.

All items must be in their original packaging (where applicable) and unused.

Incorrect, Missing, Faulty or Damaged Items

Should we supply any incorrect or damaged items, or you discover an item is missing from delivery please notify us within 48 hours of receipt on 0333 005 7088 or email [email protected].

For incorrect or damaged items, we will then arrange to pick up the item and either send you out a replacement or process and refund within 48 hours.