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Due to the Covid-19 virus, Online Insulation is CLOSED During April.

We believe that we have now contacted all customers that have been affected. However, if you have not heard from us, please get in touch to arrange a re-delivery or refund.
 

During this busy time please email us on info@onlineinsulation-sales.com if you need assistance.

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Isover CWS 32

Isover CWS 32  higher performing glass mineral wool full-fill cavity slab providing excellent thermal performance in masonry cavity walls to meet or exceed the requirements of Part L Building Regulations (England and Wales), enabling U-Values as low as 0.23 W/m²K within a 300mm wall width.

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