The ISOVER Cavity Wall Insulation CWS36 150mm is a high-performance mineral wool insulation designed to improve comfort, reduce heat loss, and enhance energy efficiency in homes and buildings.
This insulation is made from durable CWS36 glass wool and delivers excellent thermal and acoustic performance while effectively lowering energy bills and maintaining consistent indoor temperatures.
Supplied in easy-fit insulation rolls, it’s lightweight, flexible, and simple to install between wall ties in new builds or retrofit cavity wall applications. The 150mm cavity wall batts fit snugly into standard cavity widths, reducing thermal bridging for long-lasting performance.
As well as keeping your property warm in winter and cool in summer, this thermal wall insulation also provides sound reduction benefits to create a quieter and more comfortable living environment. Made from up to 75% recycled materials, it also supports sustainable building practices.
For builders, installers, and DIY renovators, ISOVER Cavity Wall Insulation 150mm offers reliable results, easy handling, and long-term protection for your property’s insulation system.
Key features:
- High-performance ISOVER Cavity Wall Insulation 150mm
- Made from durable CWS36 glass wool
- Lightweight and easy-fit insulation roll for fast installation
- Reduces heat loss and helps lower energy costs
- Provides both acoustic and thermal insulation benefits
- Sustainable, non-combustible mineral wool insulation material
FAQs
What is ISOVER CWS36 Cavity Wall Insulation used for?
This acoustic and thermal installation is designed for use in cavity wall constructions. It helps improve thermal performance and reduces energy loss and sound transmission in residential and commercial buildings.
What are the benefits of glass wool insulation?
Mineral wool insulation like ISOVER CWS36 is lightweight, fire-resistant, and sustainable, delivering excellent long-term thermal and acoustic performance.
Can this insulation help reduce energy bills?
Yes. By improving your home’s thermal wall insulation, this insulation helps retain heat during colder months, which can lower heating costs and enhance the overall comfort of the space.