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Rockwool  |  SKU: 138251

Rockwool Hardrock Underlay Slab - 1200 x 1000 x 150mm (1.2m²)

£71.75 Ex VAT
£86.10 Inc VAT

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.


Rockwool Hardrock Multi-Fix Underlay Slab is designed to be used below Rockwool Hardrock Multi-Fix boards as a base layer to improve the overall sound and thermal insulation in flat roofing applications. Made from stone mineral wool slab, it is non-combustible - ideal for roofing applications where fire resistance is a primary concern.

  • 150mm thickness
  • Suitable for use in flat roofing
  • Non-combustible board compatible with a range of waterproofing systems
  • Install under Rockwool Hardrock Multi-Fix
  • Euroclass A2-s1, d0 resistance to fire

What is Rockwool Hardrock Multi-Fix (DD)?

Rockwool Hardrock is a non-combustible, dense mineral wool insulation board designed for use in flat roofing, and compatible with a wide range of waterproofing systems including Bitumen, liquid membranes and even green roofing systems. It has a thermal conductivity value of 0.039 W/mK and provides effective sound insulation to reduce drumming effect from rain, making Rockwool Hardrock Multi-Fix (DD) an ideal thermal and acoustic insulation with excellent fire resistance for flat roofing.

What Size is Rockwool Hardrock Underlay Slab?

Rockwool Hardrock Recovery Board measures 1000mm wide by 1200mm long (1.2m²) and is 150mm thick. 

Data Sheets & Guides:

Rockwool Hardrock Multi Fix (DD) Insulation Data Sheet

Rockwool Hardrock Multi Fix (DD) Insulation Installation Guide

 

  • Size
    150mm
  • Quantity Per Pack
    1 Board
  • Coverage (m²)
    1.2
  • Thickness
    150mm
  • Length
    1200mm
  • Width
    1000mm
  • Material
    Dense Mineral Wool Board
  • Reaction to Fire
    Euroclass A2-s1, d0

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.

rockwool-multifix-dd
Rockwool

Rockwool Hardrock Underlay Slab - 1200 x 1000 x 150mm (1.2m²)

£71.75 Ex VAT
£86.10 Inc VAT

Rockwool Hardrock Multi-Fix Underlay Slab is designed to be used below Rockwool Hardrock Multi-Fix boards as a base layer to improve the overall sound and thermal insulation in flat roofing applications. Made from stone mineral wool slab, it is non-combustible - ideal for roofing applications where fire resistance is a primary concern.

What is Rockwool Hardrock Multi-Fix (DD)?

Rockwool Hardrock is a non-combustible, dense mineral wool insulation board designed for use in flat roofing, and compatible with a wide range of waterproofing systems including Bitumen, liquid membranes and even green roofing systems. It has a thermal conductivity value of 0.039 W/mK and provides effective sound insulation to reduce drumming effect from rain, making Rockwool Hardrock Multi-Fix (DD) an ideal thermal and acoustic insulation with excellent fire resistance for flat roofing.

What Size is Rockwool Hardrock Underlay Slab?

Rockwool Hardrock Recovery Board measures 1000mm wide by 1200mm long (1.2m²) and is 150mm thick. 

Data Sheets & Guides:

Rockwool Hardrock Multi Fix (DD) Insulation Data Sheet

Rockwool Hardrock Multi Fix (DD) Insulation Installation Guide

 

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