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Rockwool Flexi Mineral Wool Acoustic and Thermal Insulation Slab

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(incl VAT) £58.61 £53.28
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(excl VAT) £44.40
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Rockwool Flexi is an ideal insulation solution for any building project and a perfect fit for framed construction. Acoustic insulation slabs are versatile in application and are non-combustible, rot-proof and water-resistant. The dual-purpose acoustic and thermal mineral wool insulation have a unique flexible edge along one side. They do not support or promote the growth of vermin or moulds. 

Rockwool Flexi is manufactured with the patented flexible edge which ensures a perfect fit is maintained between the insulation and the supporting framework. The flexible edge helps to overcome the problems with fresh timber shrinkage as well as the displacement of insulation. They are easy to carry and install. Rockwool Flexi slabs are specially designed to provide perfect friction fitting installation.

Product Specification:

Length(m)

Width(mm)

Thickness(mm)

Slabs/Pack

Pack Coverage (m2)

1.2 600 50 12 8.64
1.2 600 60 12 8.64
1.2 600 70 08 5.76
1.2 600 90 06 4.32
1.2 600 100 06 4.32
1.2 400 140 04 1.92

Key Features:

  • A unique, flexible-edged insulation product for a fast and easy, perfect friction fit.
  • Rockwool Flexi has  outstanding thermal, acoustic and fire properties
  • Non combustible- Euroclass A1
  • Water repellant, negligible water vapour resistance
  • Eco-friendly, 97% recyclable
  • Lightweight, easy to install, no maintenance required.
  • Thermal and acoustic insulation slabs are easy to carry and install.
  • They do not need any special tools for installation. 

Applications:

Rockwool Flexi acoustic and thermal insulation slabs are suitable for use in:

  • External walls
  • Pitched roofs
  • Rafters
  • Suspended floors
  • Internal partitions
Insulation Type  Batt Insulation (Insulation Slabs)
Brand  Rockwool
Product Code  Flexi
Length  1200mm
Width  600mm / 140mm
Thickness Available

50mm, 60mm, 70mm, 90mm,100mm and 140mm

Material  Mineral wool
Thermal Conductivity   0.035 W/mK
Fire Classification  A1 rated Euroclass
Applications  Stud-wall insulation, rafter insulation, internal partitions and floor insulation
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Delivery Terms
Order Value (Excluding VAT) Delivery Charge (Excluding VAT)
Above £1300  Free Delivery
Orders below £1300  £50

Returns:

  • You can cancel the order anytime before we confirm your order via email and get a full refund.
  • Cancellation after order confirmations are sent may attract a restocking fee. 
  • If you no longer require/ordered RWA45 in excess, they can be returned with 14 days from the date of delivery A restocking fee may apply. Buyer pays postage
  • Returns are only accepted if the returned goods are in the original packaging and resalable condition.
  • In case of faulty or damaged products, please email us and we will assist you accordingly

Please refer to our delivery information page for more information

Product Features

Rockwool Flexi, insulation slabs from Rockwool, offer excellent thermal and acoustic insulation across projects. They are easy to install and environment friendly. 

Properties of Rockwool Flexi:

  • Material: Mineral Wool
  • Size: 1200 x 600mm / 400mm insulation batts
  • Thermal Conductivity: 0.035 - 0.038 W/mK 
  • Compliance: BS EN 13162, ISO 1400
Rockwool Flexi
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Rated 5.0 by 4 Happy Customers

Frequently Asked Questions

FAQs for Rockwool Flexi Mineral Wool Acoustic and Thermal Insulation Slabs
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No, you do not need any special tools for installation. The slabs are designed for easy handling and can be friction-fitted into place.

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Delivery Terms
Order Value (Excluding VAT) Delivery Charge (Excluding VAT)
Above £1300  Free Delivery
Orders below £1300  £50

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