Please be advised some manufacturers have now closed - so some lines will have a longer lead time
There may be a delay dispatching your order


Call us on: 01509 649065 (9:00 - 17:00)

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 if you need assistance.

From everyone at Online Insulation, we wish you the best health

Please note - we are not currently able to answer phone calls or pick up voice mail messages. Please email or contact us via online chat.

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Insulation Accessories

Readily available insulation accessories are a must needed product range for the right thermal insulation solution. Buying foil tape for use on Celotex Insulation Board joints to prevent air leakage, increase vapour barrier to edges and increase thermal performance. Damp Proof Membrane (DPM) is to be used in conjunction with Celotex rigid insulation boards or similar polyisocyanurate (PIR) insulation as a water vapour resistant layer. We can also offer Rafter clips and Celotex saws should you need them. Online Insulation offer low cost, Insulation accessories at the best availability online. Please contact us for a quotation.

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22 Products
£4.10 (inc. VAT)
Ideal for filling small gaps in acoustic walls and ceilings
£97.20 (inc. VAT)