Rockwool RW3 50mm x 600mm x 1200mm Acoustic Insulation 5.76m2

£44.40 £37.00
In stock
Product Description

Rockwool RW3 50mm has been designed with a mix of high-quality resin bonds to create multi-functional slabs that are easy to fit in various spaces such as floors, walls, and roofs. RW3 50mm provides excellent thermal, acoustic, and fire performance.

Rockwool RW3 has a density of 60kg m3

Size: 600mm x 1200mm

Pack: 8 Slabs

Other available thicknesses: 75mm & 100mm

We are happy to help with enquiries, stock availability or any technical help you require, however for security reasons we cannot take orders over the phone. So if you need to chat give us a call on 03301231761 or email us at [email protected].

What is Rockwool RW3 50mm?

Rockwool RW3 50mm are rock mineral wool insulation slabs created to block sound transmission between rooms, retain heat, and protect against fire hazards. This premium-quality slab is available in different thicknesses and densities and is incredibly durable with non-combustible properties so you can feel secure. Plus they are easy on the environment and don't release any gases with zero ozone depletion potential (OPD).


Rockwool RW3 50mm has a rating of A1 on the Euroclass scale which means they’re some of the best-performing products in fire safety.

Features and benefits of Rockwool RW3 50mm:

  • Outstanding in providing excellent thermal, acoustic, and fire performance insulation.
  • Incredibly easy to handle and install with zero maintenance.
  • Rated A1 non-combustible – the highest level of fire resistance.
  • A durable insulation solution with lifelong durability.
  • Water-repellent qualities make it resistant to moisture buildup, damp, and rot.
  • Zero ozone depletion potential (ODP).

Applications for RW3 50mm insulation slabs:

  • Internal steel and timber partition walls
  • Internal timber frame floors
  • Ground, separating, and intermediate floors
  • Internal timber frame ceilings
  • Pitched roofs between rafters
  • Flat roofs
  • Ceilings and partition panels
  • Party walls

Find out more about Rockwool products and discover our guides on how Rockwool insulation is made as well as how to double layer Rockwool products.

Data Sheet (1.63 MB)
Data Sheet (1.64 MB)
Customer Questions
Can I easily wash Rockwool off with a bath or shower to remove the Itchy feeling?
If you do feel itchy after contact with Rockwool, it is advised to shower or wash with warm water and soap and wipe with a washcloth to remove the fibers from your skin.
What is the density of Rockwool RW3 slabs?
The density of Rockwool RW3 is 60kg/m3.
Can I easily carry a pack of the RW3 50mm? I only have a narrow path and will need to move them by hand.
The approximate weight for each pack of the 50mm RW3 Rockwool is 16.75kg, the packs are bulky at 600mm x 400mm and 1200mm long. Care should be taken when lifting and moving any items.
What is the Db rating of RW3 50mm thickness?
The Db rating for the RW3 50mm is 45Db
How many slabs per pack?
You get 8 slabs in 1 pack in the RW3 50mm  x 600mm x 1200mm Acoustic Insulation 5.76m2
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More Information
Supplier Part Number181183
Pack Size8
Size600mm x 1200mm

Orders and Delivery

Free delivery if your order is over £300 ex VAT. Orders between £100 - £300 ex VAT will be subject to a delivery charge of £50 ex VAT. Please note, we are unable to accept orders less than £100 ex VAT

When ordering on line you can specify the date of delivery, however we would not be able to specify the time of delivery on that day.

• Please note that we have a number of large vehicles, including articulated vehicles that may be used for delivery. Please advise us in the comments on your order if access to the delivery address is limited.

• Due to insurance guidelines, delivery personnel are unable to enter private residences. Delivery will be as far as possible to the kerbside of the delivery address. The recipient of the products is responsible for any additional lifting once the delivery has been made. Please bear in mind that Insulation products can be bulky and / or heavy.

• The delivery driver will require a signature to confirm the goods have been received.

 † Unfortunately we, Insulation Express, cannot deliver to the Highlands & Islands of the UK. However we will be happy to deliver to a freight forwarding company on your behalf.


Returns and Refunds

In the unlikely event that you need to return an item, please contact our team on [email protected] within 14 days of accepting delivery of the item.

Restocking charges may apply. We will discuss this with you upon receipt of the cancellation request. Restocking charges will be applied where the products are no longer required AND NOT for goods returned because either defective or damaged.

We usually charge 30% of value (minimum £25.00).

Please note that we cannot accept returns on special orders. Special orders may consist of items sent via third party shipping companies or made to measure products. If you are unsure on whether or not your item is a special order, please contact us on [email protected] prior to placing the order.

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