Please note, there may be extended lead times on Rockwool products due to manufacturing issues. Please enquire for availability.

Rockwool Flexi Insulation Slab

As low as
From  £31.32  inc VAT
From  £26.10  ex VAT
In stock
Rockwool Flexi Insulation Slab
As low as
From  £31.32  inc VAT
From  £26.10  ex VAT
size: 600mm x 1200mm

Need to discusss your enquiry further? Please contact our customer services team on 0330 123 1761, who will be happy to help.

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Rockwool are currently facing manufacturing issues on low density products including Flexi slab. This may impact availability.

Please call to check stock or for further details.   

Rockwool Flexi is a unique acoustic insulation product with a patented flexible edge along one side and is part of the Rockwool SoundPro range.  

This unique Flexi edge is produced using patented technology to ensure a perfect fit is maintained between the product and its supporting framework.  This ensures the insulation’s integrity.  Flexi is designed for a host of applications where perfect fitting insulation is essential; in walls, partitions, floors and roofs.  The ‘Flexi’ edge allows the product to be tightly fitted between timber and metal frames, without the need for cutting or waste.
Patented flexi-edged slab for framed constructions


  • patented ‘Flexi’ edge offers accurate fit to all widths
  • will not slump if studs shrink
  • multi-application, fits all typical metal and timber frame spacing
  • no waste
  • excellent thermal, acoustic and fire properties
  • easy to handle and install without gaps


Orders and Delivery

Orders and Delivery

Free delivery if your order is over £300 Inc VAT. Orders under £300 are subject to a £30.00 Inc VAT delivery charge.

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

Returns and Refunds

In the unlikely event that you need to return an item, please contact our team on 0330 123 1885 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 25% 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 0330 123 1885 prior to placing the order.

Free delivery on orders over £300! Free delivery on orders over £300 Terms and Conditions apply

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