Are you building a new property? Are you looking for some Isover CWS 32 insulation for cavity walls? Then you’ve come to the right place. At Online Insulation, we can help. Online Insulation is a web-based supplier of dry lining and insulation products. We have a great reputation in the industry due to the vast amount of experience we have, and due to the high-quality products we supply.

Online Insulation’s main business aim is to bring the best quality insulation products to people who work in the industry; as we know that sometimes it can be hard to find good quality materials all in one place. Also, on top of the insulation and dry lining products we sell, we can also supply market-specific products such as  HVAC, Acoustics and Fire Protection. As a business, we have partnered with the biggest manufacturers and distributors of dry lining and insulation materials in the United Kingdom, and due to this partnership, we are able to bring you top brand materials at a fraction of the price, for example, the Isover CWS 32 is a lot cheaper than what our competitors sell it for.

CWS 32 Insulations to Buy

One of the biggest cavity wall fillers in the industry is often the Isover CWS 32, and we are proud that we stock this for our clients. Not only that, we stock this product for cheaper than the average retail price. Isover CWS 32 is often the top choice for builders as it’s a high performing glass mineral wool providing excellent thermal performance in masonry cavity walls. This product is also made to exceed the requirements of Part L Building Regulations in England and Wales, so you know that when using the Isover CWS 32, you can be certain it will surpass building regulations inspections. 

Furthermore, the slabs of the Isover CWS 32 are very strong, resilient and incredibly flexible so can fit nicely between wall tie spacing. Each slab is 455mm wide, which means if you purchase our one of our packs that included 6 pieces you can cover an area of 3.28 M²; or you can purchase a 20 pack, which is a great deal, and this will cover a whopping area of 65.6M2 giving you a great value for your money.

So, if you are looking for Isover CWS 32 for your new build project, then check out our website today. However, if you require more information regarding the Isover CWS 32, you can get in touch with us on 01509 649065 or alternatively, you can send us an email on and we’ll get back to you shortly.