Rockwool Flexi-Slab - All Sizes

The following sizes are sold in packs: 50mm x 600mm, 100mm x 600mm and 140mm x 600mm 

Discover the ultimate insulation solution with ROCKWOOL FLEXI® SLAB, available now at Insulation4less.co.uk! Engineered with versatility in mind, this innovative stone wool insulation slab boasts a patented flexible edge, ensuring a seamless fit in any project without the hassle of complex measurements. From pitched roof rafters to internal partitions and even timber suspended ground floors, ROCKWOOL FLEXI® adapts effortlessly, providing both thermal and acoustic insulation for a cosy, quiet, and comfortable space. Safety is paramount with its Euroclass A1 non-combustible rating, while meeting BS EN 13162 standards and bearing Keymark, Kitemark, and CE Marking certifications for quality assurance. Experience the new standard in insulation with ROCKWOOL FLEXI® SLAB today!

Key Features

• Versatile dual-purpose insulation: serves as both acoustic and thermal insulator
• Patented flexible edge for easy installation without complex measurements
• Suitable for various applications including pitched roof rafters, internal partitions, and timber suspended ground floors
• Euroclass A1 non-combustible for safety in high-temperature environments
• Meets BS EN 13162 standards and holds Keymark, Kitemark, and CE Marking certifications for quality assurance

Certification

ROCKWOOL FLEXI® meets the BS EN 13162 product standard and has been marked with Keymark, Kitemark, and CE Marking, ensuring it meets all the required safety and quality standards.

Technical Properties

• Euroclass A1 (non-combustible)
• Thermal conductivity: 50-120mm 0.038 W/mK; 140mm> 0.035 W/mK
• Acoustic insulation: Achieves Part E (resistance to sound) when installed in accordance with ROCKWOOL guidelines
• Water vapour resistance: 5.2 MNs/gm
• Water repellent

Frequently Asked Questions

What is the ROCKWOOL FLEXI® slab made of? ROCKWOOL FLEXI® is made from stone wool, a material renowned for its excellent thermal and acoustic insulation properties.

Where can ROCKWOOL FLEXI® be installed in my home? ROCKWOOL FLEXI® is designed to be versatile and can be installed in various parts of your home, including pitched roof rafters, framed external walls, internal partitions, intermediate floors, separating walls and floors, and timber suspended ground floors.

Is ROCKWOOL FLEXI® fire-resistant? Yes, ROCKWOOL FLEXI® is Euroclass A1 non-combustible, which means it won't contribute to a fire's spread or generate significant smoke.

Does ROCKWOOL FLEXI® provide acoustic insulation? Absolutely. Besides its thermal properties, ROCKWOOL FLEXI® also offers excellent acoustic insulation, helping to reduce sound transmission when installed in accordance with ROCKWOOL guidelines.

How does ROCKWOOL FLEXI® contribute to soundproofing? When installed according to ROCKWOOL guidelines, FLEXI® achieves Part E (resistance to sound), which helps to reduce noise transmission between rooms or spaces in your home or building.

Does ROCKWOOL FLEXI® meet fire safety standards? Yes, ROCKWOOL FLEXI® is Euroclass A1 non-combustible, the highest ranking in terms of fire resistance. This means it doesn't contribute to the spread of fire, providing additional safety to your home.

How does the flexible edge of ROCKWOOL FLEXI® contribute to its installation? The patented flexible edge of ROCKWOOL FLEXI® ensures a perfect fit between the insulation and the supporting framework. It can be fitted between fresh timber and will expand into the wider space as the timber dries out and shrinks back. This makes the installation process easy and effective.

Can ROCKWOOL FLEXI® be installed in intermediate floors and separating walls? Absolutely! ROCKWOOL FLEXI® is a multi-use insulation solution suitable for installation in intermediate floors, separating walls and floors, and more. Its flexibility and fitting properties make it a versatile choice for various applications.

Is ROCKWOOL FLEXI® suitable for use in a pitched roof? Yes, ROCKWOOL FLEXI® can be used in pitched roof rafters. It provides excellent thermal and acoustic insulation properties, making it a great choice for a wide range of applications, including roofing.