Silicone Sponge Sheeting

Our General-purpose white 250kg/m3 silicone sponge sheeting is by far the most popular from the range of densities we have available from stock

For more information on general silicone sponge sheeting please visit the materials section of our website or click here.  Rolls are a standard 10mtrs long x 1mtr wide and can be cut down and supplied as individual 1mtr long or multiples of 1mtr sheets.

Our general purpose, closed cell silicone sponge delivers high performance and long-life span in extreme ozone/UV environments and has a wide temperature range from -60 °C to 230 °C.

Adhesive Backed Silicone Sponge Sheeting

CB Frost can apply a pressure sensitive adhesive to either one or both faces of General purpose Silicone sponge. We hold plenty of stock ready to supply as rolls, cut sheets or conversion into strip/tape, gaskets and washers (please see below).


Our lead-time for supply/dispatch of sheeting is usually 1-2 days, converted product is typically 7-10 days (as with most of our materials), however this is a moveable target depending on the type of item required, we are flexible and will work with our customers to ensure we meet their expectations

Silicone Sponge Sheeting is used in various industries such as


Cabins, roof systems, HVAC systems


Counter and window displays


seals on transmitters, UV/Ozone protection


dust/moisture seals, UV protections

Roll Sizes

Standard off the shelf colours are white and black and we hold a selection of popular thicknesses, as per the table below:

Other thickness’s available upon request, please speak to a member of our sales team who can assist you.

Thickness (mm) Tolerances (mm) 250Kg/m3 White 250Kg/m3 Black
1.50 ±0.50
2.00 ±0.50
3.00 ±0.50
4.00 ±0.50
5.00 ±0.50
6.00 ±0.75
8.00 ±0.75
10.00 ±0.80
12.00 ±1.00


  • Excellent UV and Ozone properties

  • Available in standard White or Black

  • Closed Cell

  • Low water absorption (<1%)

  • Good temperature range – 60°C to 230°C

  • Good sealing properties

We have the capabilities to convert Silicone Sponge Sheeting into various shapes/strips/tapes etc, please click on the below for further details or visit our products section within the website.


Silicone Sponge Gaskets

View Product


Silicone Sponge Washers

View Product


Silicone Sponge Strip

View Product

Silicone Sponge Sheeting SAMPLE REQUEST

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Our Partners

Dependable on-time
Full lot traceability on
raw material
Rapid lead times on tooling
and products
Manufacturing services from 1-off
to mass production
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Office Hours

Monday to Thursday
8.00am to 4.35pm
Friday - 8.00am to 1.00pm

Get in touch

Unit C1, Matrix Point, Mainstream Way, Nechells, Birmingham: UK: B7 4SN