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Rockwool Hardrock Underlay Slab - 1200 x 1000 x 150mm (1.2m²)
Use this Rockwool Hardrock underlay slab in conjunction with Rockwool Hardrock Multifix to act as an insulating base layer.
Rockwool Hardrock Underlay Slab - 1200 x 1000 x 150mm (1.2m²) is backordered and will ship as soon as it is back in stock.
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
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Size
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Quantity Per Pack1 Board
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Coverage (m²)
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Thickness
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Length1200mm
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Width1000mm
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Material
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Reaction to Fire
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.
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.
If you have a specific request, please do give our team a call on 0115 69 76 800 and we will do our best to help.
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