Rockwool Flexi 100mm x 600mm x 1200mm Insulation 4.32m2

What is Rockwool Flexi?

Rockwool Flexi 100mm is a lightweight and semi-rigid thermal, acoustic, and fire-resistant insulation slab. This high-quality insulation slab has been created with renewable volcanic rock and patented technology to make it versatile, reliable, and easy to use. It is designed with a unique flexible edge to be fitted between joists, so you can fit your Rockwool Flexi slab in roofs, walls, floors, and partitions without cutting and leaving waste and gaps.

In accordance with BS EN 13501-1, Rockwool Flexi 100mm, along with all other sizes, is rated as A1 non-combustible. This is the highest level of fire resistance, making your building much safer.

Features and benefits of Rockwool Flexi 100mm:

• Manufactured with the patented flexible edge which ensures a perfect fit is maintained between the insulation and the supporting framework.
• The insulation is easy to install and can be fitted between fresh timber and will expand into the wider space as the timber dries out and shrinks back.
• Euroclass A1 is non-combustible and provides additional thermal and acoustic benefits in application.
• Flexible edge means no cutting and no waste.
• Multi-purpose with a range of applications.
• Available in a range of thicknesses.
• Easy to handle and install.
• Is resistant to rot, water, and high temperatures.

Applications for Rockwool Flexi 100mm:

• Pitched roof rafters
• Framed external walls
• Internal timber or steel partitions
• Internal frame ceilings
• Intermediate floors
• Separating walls and floors
• Timber suspended ground floors
• Party walls

For more information, please read our guide on Rockwool insulation and how it is made as well as how to double layer Rockwool products.