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Rockwool RWA45 Acoustic Insulation Slab

Rockwool RWA45 Acoustic Insulation Slab Now ProRox SL920 Board Size 1200mm X 600mm Rockwool RWA45 insulation is a great value all round insulation More information
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Price from
£13.50 (inc. VAT) £11.25 (ex. VAT)

Availability: In stock

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Price from
£13.50 (inc. VAT) £11.25 (ex. VAT)

Rockwool RWA45 Acoustic Insulation Slab

Rockwool RWA45 insulation is a great value all round insulation product. The slabs come in a variety of thicknesses including 30mm, 40mm, 50mm, 60mm, 75mm, 100mm. Easy to cut and install it is one of the most popular insulation products in the UK. Density is 45kg per meter cubed.


100mm = 2.88m² per pack

75mm = 4.32m² per pack

60mm = 5.76m² per pack

50mm = 6.48m² per pack

40mm = 8.64m² per pack

30mm = 8.64m² per pack

The Rockwool RWA45 insulation slabs are a high quality resin bonded that can be used for thermal, acoustic and fire insulation. 

They are used for thermal insulation for floors, walls, roofs and boiler rooms. 

M² / Sheet = 0.72m²

Rockwool RWA45 features include:

  • Great thermal, acoustic and fire insulation properties
  • Water repellent
  • Resistant to high temperatures
  • Easy to install and handle
  • Competitive price
  • Maintenance free
  • Facings available
  • (Now ProRox SL920) Board Size 1200mm X 600mm


Date Score Customer Comment Our Response
47 Hour(s) ago Product:
Good product. Well wrapped.
20-Oct-2014 Product:
Easy to use.
17-Oct-2014 Product:
08-Oct-2014 Product:
Great service would use them again
29-Sep-2014 Product:
It's what it says on the pack. Maybe the least interesting building material you can buy.
23-Sep-2014 Product:
Just what i expected
18-Sep-2014 Product:
17-Sep-2014 Product:
great product
12-Sep-2014 Product:
Good prices and good materials, I wish the screws came earlier and with the other materials thought. Read More.
12-Sep-2014 Product:
As Above Read More.
09-Sep-2014 Product:
Couldn't get next day delivery. Very good phone staff. Mistakes with delivery.
On the whole good service and I will use again.
Read More.
05-Sep-2014 Product:
Some damage Read More.
27-Aug-2014 Product:
ok Thank you for your feedback, it is very much appreciated.

We hope to see you again soon.


BSO web team
04-Aug-2014 Product:
Very easy to work with and an awesome price Read More.
07-Jul-2014 Product:
Delivery was excellent with good communication from the driver about time etc. Thank you for your feedback, it is very much appreciated.

We hope that you will continue to use us in the future.


BSO web team
Read more reviews on Feefo

Products No Longer Required

If you cancel your order at any time after the date of our acceptance of your order and within 14 calendar days following the date of delivery, we will give you a full refund including delivery charges.
If you advise us of your return more than 14 calendar days following the date of delivery we will advise you whether the return is acceptable and any costs associated. Any request has to be made via our RMA page. Phone returns are not acceptable.

Faulty or Damaged Products

In the unlikely event that a delivered product (including special order items) is faulty or damaged, we will exchange it or provide you with a full refund, as long as we are notified of the product's fault within 48 hours (24 hours paving and windows) of it being delivered to you.
To arrange for the product to be collected, e-mail  with your order number and details of the product to be returned. We will collect it at no expense to yourself, and either provide a replacement or process a refund if the product is no longer in stock. After 24 hours please refer to manufacturer returns policy.

Alternatively, you can make arrangements for collection of the product through our nominated carrier. The cost of the return will be at our expense. We require the return of the product within 14 days of the refund request being made.

All refunds will be made to the account used to purchase the product.

We reserve the right to inspect all returned products prior to agreeing to any part-refund, full refund or product exchange.