Rockwool Hardrock Multi Fix (DD)
- Multiple Applications
- Great Thermal Performance
- Excellent Acoustic Properties
Product Information
Rockwool Hardrock Multi Fix (DD)
Rockwool Hardrock Multi Fix is designed for warm flat roofs and with high density, non-combustible thermal insulation properties, this product has been tested for acoustic applications and fire resistance.
Rockwool Hardrock Multi-Fix (DD) is a versatile product that has been proven to improve the ability of lightweight flat roof systems to control both noise ingress and egress through the building envelope.
Rockwool Hardrock Multi Fix (DD) Applications
This product is suitable for areas subject to pedestrian traffic and frequent maintenance, the Multi Fix boards are compatible with all roof covering types, including torch-on, pour-and-roll, single-ply, EPDM, liquid applied and green roofs.
** PLEASE NOTE: The image is for representative purposes only.
Delivery Information
Delivery Timeframes: This product is typically delivered within 1-7 working days* (estimate only) and you will receive a notification within 24hrs of delivery.
Delivery Areas: Regional delivery restrictions apply, check our postcode checker to confirm availability.

Delivery Charges:
Zone 1:
- Spend up to £129.99 (exc. vat) on our Timber or Building Material range for a delivery fee of £22.
- Spend over £130 (exc. vat) on our Timber or Building Material range for FREE delivery!
Zone 2:
- Spend up to £187.49 (exc. vat) on our Timber or Building Material range for a delivery fee of £24.
- Spend over £187.50 (exc. vat) on our Timber or Building Material range for FREE delivery!
For more information on our delivery charges and coverage areas, please visit our Timber Delivery Information.
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Delivery Logistics: All our Timber and building material range products will be delivered by 3rd party vehicles.
Kerbside delivery applies as standard, but we will typically try to deliver to your front garden or driveway – We will leave the product in a safe location adjacent to the main roadway, but off of any public highways.
**If a delivery scheduled is to a gated community, this will need to be communicated to us in advance and access provided. Where restricted access applies, if waiting times are encountered for the delivery, then additional charges may be incurred.
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Cancellations, Exchanges; Failed Deliveries:
- For any orders that are returned (unless deemed faulty), the customer is liable for the return shipping fees equivalent to that incurred in the original order (Timber orders also incur a 75% charge of the initial order value).
- In the unlikely event that we’re unable to complete the scheduled delivery due to access restrictions or a non-secure delivery location, the customer is responsible for the restocking and redelivery fees. If the delivery can’t be rescheduled, then no refund is available.
- If your products are faulty, please email photo evidence over within 24 hours for review.
- All returns or exchange requests need communicating to us via email or telephone within 3 Working Days to be considered (faulty, or not).
- If your order arrives incorrect (missing items etc.), this also needs communicating to us via email or telephone within 3 Working Days to be considered (faulty, or not).
Specifications
- Product Type – Roof Insulation
- Brand – Rockwool
- Thickness – 115mm
- Width – 1000mm
- Length – 1200mm
- Compliance – BS EN 13162, ISO 14001
- Reaction to fire – A2-s1, d0
- Thermal conductivity – 0.039 W/mK
- Water vapour resistance – 5.9 MNs/gm
Roof Insulation FAQ's
What is Roof Insulation?
Roof Insulation is used to to prevent heat penetration from the outside environment to the inside of a building. Correctly installed Roof Insulation provides temperature stability to buildings all year round.
Where is Roof Insulation used?
Roof Insulation is a fairly versatile product and can be added above, between or beneath the rafters of the roof, or as a combination.
Do I need Roof Insulation?
The roof of a building is responsible for as much as 35% of a home’s heat loss and gain, which is more than anywhere else, making Roof Insulation a very important and cost saving addition to any building.
Is Roof Insulation worth it?
Installing Roof Insulation can save up to 45% (or more) on heating and cooling costs. Our Roof Insulation is an affordable way to cut down your heating and cooling bills, making it a great investment for the future!
Cheap Roof Insulation Prices
Recognised as a major supplier of all types of Roof Insulation products, the Mick George Group offer cheap Roof Insulation prices across its entire range.
Buy Roof Insulation Online
Customers can buy Roof Insulation online, 24-7 at their convenience, viewing exactly what they want, retrieving all the information they need and have the Roof Insulation delivered quickly.
Roof Insulation Suppliers
As with all of our building supplies, our Roof Insulation is only sourced from approved sources throughout the world, ensuring the best possible quality. Our Roof Insulation meets the highest Grade specifications.
Cancellations, Exchanges; Failed Deliveries
- For any orders that are returned (unless deemed faulty), the customer is liable for the return shipping fees equivalent to that incurred in the original order (Orders of this product also incur a 75% charge of the initial order value).
- In the unlikely event that we’re unable to complete the scheduled delivery due to access restrictions or a non-secure delivery location, the customer is responsible for the restocking and redelivery fees. If the delivery can’t be rescheduled, then no refund is available.
- If your product is faulty, please email photo evidence over within 24 hours for review.
- All returns or exchange requests need communicating to us via email or telephone within 3-working days to be considered (faulty, or not).
- If your order arrives incorrect (missing items etc.), this also needs communicating to us via email or telephone within 3-working days to be considered (faulty, or not).
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