ISOVER Cavity Wall Insulation CWS36 100mm is a high-quality glass mineral wool designed for excellent thermal building insulation in homes and commercial properties. With a coverage of 6.55m² per pack, this CWS36 insulation roll provides strong energy-saving performance while helping to create a warmer, more comfortable living environment.
Ideal for fitting between wall ties in new builds or refurbishment products, it’s lightweight, flexible, and easy to install. The 100mm insulation for cavity walls creates a snug fit and consistent coverage, effectively minimising heat loss and improving long-term energy efficiency.
Made from up to 75% recycled materials, this lightweight glass wool insulation is not only effective but also environmentally responsible. It’s non-combustible and designed to meet UK building regulations for thermal efficiency and fire safety for dependable performance year after year.
The ISOVER CWS36 100mm insulation roll is a trusted choice among builders, installers, and homeowners alike.
Key features:
- 6.55m² coverage per pack
- Lightweight, flexible, and easy to install
- Excellent thermal building insulation
- Made from sustainable glass mineral wool materials
- Provides energy-saving insulation with added acoustic benefits
- Non-combustible
- Compliant with UK building standards
FAQs
What is ISOVER CWS36 100mm used for?
This insulation is made for wall cavity insulation. It is designed to improve energy-efficiency and comfort in both new builds and renovations.
Does it provide acoustic insulation too?
Yes. As a glass mineral wool, this wall cavity insulation naturally reduces airborne noise as well as heat loss to help create a quieter space.
Is this ISOVER insulation environmentally friendly?
Absolutely. It’s manufactured using recycled materials and contributes to energy-saving insulation that supports a more sustainable property.
