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Rockwool  |  SKU: RW3100

100mm Rockwool RW3 Insulation 1200mm x 600mm - 2.88m²

£37.50 Ex VAT
£45.00 Inc VAT
Shipping calculated at checkout.

To order this product, please get in touch: 0115 6976 800

Nationwide Delivery in 3-5 WORKING DAYS

  • £50 ex VAT Delivery
  • FREE DELIVERY OVER £500

Need a next-day or named day delivery? Call Us.


RW Slab Range is used for thermal, acoustic and fire insulation in general building applications, certified to EN 13162. The product range consists of high quality resin bonded slabs in a variety of thicknesses and densities. Rockwool RW3 is dynamic insulation which is extremely reliable. RW3 insulation is formed from a high-quality resin bonded slab which is available in a number of thicknesses. In addition to this, it has a fire rating of Euroclass A1 non-combustible, which makes it the highest level of fire performance. Rockwool RW3 also provides an added benefit of have repelling water this, in turn, prevents the build of moisture, damp and rot.

  • 100mm x 1200mm x 600mm.
  • 2.88m² coverage.
  • 0.034W/mK thermal conductivity.
  • 4 slabs per pack.
  • Excellent thermal, acoustic and fire insulation.
  • Water repellent.
  • Resists high temperatures (dependent on grade).
  • Excellent thermal, acoustic and fire insulation.
  • Suitable for a wide range of general building applications Euroclass A1 to BS EN 13501-7.
  • Easy to handle and install.
  • Non-hygroscopic.
  • No maintenance.
  • Black or white tissue and aluminium foil facings available.
Need Help? Call our Team on 0115 6976 800
  • Coverage (m²)
    2.88
  • Thickness
    100mm
  • Length
    1200mm
  • Width
    600mm
  • Material
    Glass Mineral Wool

Do You Ship to My Address?

We deliver to most mainland UK addresses. If you are in one of the areas listed below and are unable to checkout, please give us a call to put together a custom quote.

Northern Ireland (BT), Isle of Wight (PO30-37), Isle of Man (IM), Scottish Highlands and Orkney Isles (PA, ML, EH, KA, G, KY, PH, DD, AB, IV, KW), Outer Hebrides and the Shetland Isles (HS, ZE) will incur additional charges and may also experience delivery delays.

How Much Will My Delivery Cost?

You can work out the cost of delivery on your order before checkout by heading to our Delivery Info page.

How Long Will Delivery Take?

We aim to deliver your items in 3 - 5 Working Days unless otherwise specified (eg - Sheds and Paving Kits). After you have placed your order, we will process your order and book a delivery day - which will then be sent to you via Email.

If have a specific request, please do give our team a call on 01156976800 and we will do our best to help.

What If I Need to Return Something?

If for any reason you wish to return your purchase, we will offer a refund or an exchange as long as this is requested within 14 days of receiving your order.

A manufacturer’s restocking charge may also apply on certain products such as non-stock items, which may be up to 30% of the purchase price, and you will be notified of this amount when you request a refund or exchange.

For full information visit our Returns Policy.