Next day delivery available! Call 020 3004 5451

Speak to an expert! Call 020 3004 5451

Xmas express delivery may still be available! 02030 045 451
Rockwool  |  SKU: 48571841053019

Rockwool Flexi Slab - All Thicknesses


£26.50 GBP
VAT and Shipping calculated at checkout.

Contact

Have any questions or need assistance with this product?

Phone: 020 3004 5451

Email: sales@nationalinsulationsupplies.com

Contact us.

Delivery & Shipping

Standard: 2-5 Working Day Delivery

Express: Same/Next Day Delivery - subject to availability, please call: 020 3004 5451

For further information, please see our Delivery & Shipping Policy here.

Returns

This product is a non-returnable product, please see our Return and Refund Policy for further details.

Product Datasheets

U-Value Calculator

Things you should know about this product!

  • This product is sold by the pack
  • This product is available in the following thicknesses: 50mm, 60mm, 70mm, 90mm, 100mm, 100mm, 120mm, 140mm, 160mm

Description

Rockwool Flexi slab is a versatile stone wool insulation designed for both acoustic and thermal applications, featuring a unique flexible edge along one side.

This slab is made with a patented flexible edge that ensures a snug fit between the insulation and the supporting framework. It is easy to install, accommodating fresh timber and expanding to fill gaps as the timber dries and shrinks. Flexi Slab is Euroclass A1 non-combustible, providing excellent thermal and acoustic properties.

Suitable for use throughout the home, it can be installed in pitched roof rafters, framed external walls, internal partitions, intermediate floors, separating walls and floors, and timber suspended ground floors.

Specifications

  • Length
    Varies depending on thickness
  • Width
    Varies depending on thickness
  • Material type
    Stone wool
  • Thermal conductivity
    0.035 - 0.038 W/mK
  • Fire rating
    Euroclass A1

Key Features

  • Dual Purpose Insulation: Provides both acoustic and thermal insulation.
  • Flexible Edge: The patented flexible edge on one side ensures a tight fit between the insulation and the supporting framework.
  • Easy Installation: Accommodates fresh timber and adjusts as the timber dries and shrinks.
  • Non-Combustible: Rated Euroclass A1, offering the highest level of fire resistance.
  • Versatility: Suitable for various applications, including pitched roof rafters, framed external walls, internal partitions, intermediate floors, separating walls and floors, and timber suspended ground floors.
  • Enhanced Performance: Delivers additional thermal and acoustic benefits in applications.

Where to use

Rockwool Flexi is a versatile insulation solution for partitions, separating walls, floors, suspended floors, walls, and roofs:

Partitions and Separating Walls:

  • Provides thermal insulation to reduce heat loss.
  • Flexible edge ensures a tight fit, minimizing gaps.

Floors:

  • Reduces heat loss and improves thermal comfort.
  • Offers soundproofing benefits.

Suspended Floors:

  • Provides effective thermal insulation.
  • Reduces sound transmission through the floor.

Walls:

  • Suitable for both internal and external walls.
  • Moisture-resistant, maintaining insulation performance.

Roofs:

  • Insulates pitched and flat roofs, reducing heat loss.
  • Flexible edge ensures easy installation around joists.

Frequently asked questions

What is the Rockwool Flexi Slab used for?

The Rockwool Flexi Slab is a versatile insulation product used for thermal and acoustic insulation. It is ideal for use in pitched roof rafters, framed external walls, internal partitions, intermediate floors, separating walls and floors, and timber suspended ground floors.

How does the flexible edge of the Rockwool Flexi Slab work?

The Rockwool Flexi Slab features a patented flexible edge along one side. This design ensures a perfect fit between the insulation and the supporting framework, accommodating the natural shrinkage of fresh timber and minimizing gaps that could reduce insulation effectiveness.

What are the environmental credentials of Rockwool Flexi Slab?

Rockwool Flexi Slab is made from renewable materials and includes between 16% and 40% recycled content. It is also resistant to water and does not promote the growth of rot or bacteria, contributing to a healthier building environment.

How is Rockwool Flexi Slab installed?

The flexible edge of the Rockwool Flexi Slab allows for easy installation. It can be friction-fitted between timber or steel frames without the need for cutting, reducing waste and ensuring a snug fit. This feature makes it suitable for a variety of construction and renovation projects.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Compare with similar products

You are currently viewing the first product on this grid:

A table comparing the facets of 2 products
Facet
Rockwool Flexi Slab - All Thicknesses
View details
Rockwool Rainscreen Duo Slab - Standard Thicknesses
View details
Price
Price
From £24.90 GBP
From £49.23 GBP
Length
Length
Varies depending on thickness
Varies depending on thickness
Width
Width
Varies depending on thickness
600mm
Edge
Edge
n/a
n/a
Fire rating
Fire rating
Euroclass A1
Euroclass A1, non-combustible, certified to BS EN 13501-1
Compressive strength
Compressive strength
n/a
n/a
Thermal conductivity
Thermal conductivity
0.035 - 0.038 W/mK
0.034 W/mK (<90mm) / 0/035 W/mK (>90mm)
Material type
Material type
Stone wool
Stone wool
Rockwool
Rockwool Flexi Slab - All Thicknesses
From £24.90 GBP

Length

Varies depending on thickness

Width

Varies depending on thickness

Edge

N/A

Fire rating

Euroclass A1

Compressive strength

N/A

Density

N/A

Thermal conductivity

0.035 - 0.038 W/mK

Material type

Stone wool
View product