Armaflex Rail ZH & ZH-C Washers

CB Frost are an established UK manufacturer of sponge, foam, and rubber Washers.

The materials we covert from sheeting to washer are either closed cell, open cell, semi-closed cell sponge, foam, or solid rubbers.

Washers can be produced in a variety of manufacturing processes including Die Cut, Water Jet Cut and Kiss cut. All services CB Frost cater for.

Washers are packed securely into suitable packaging and labelled in accordance with our customer requirements. Additional packing options such as barcoding, individual polybag, and cardboard separation are also available.

CB Frost also offer the possibility of a door to door service providing our customers with the peace of mind that items will arrive safely, securely and in time.

CB Frost has teamed up with Armacell to provide highly flexible, closed cell insulation foam with improved fire-retardant properties, low smoke generation and a built in Microban antimicrobial protection.

Armaflex Rail ZH is the first halogen-free close cell insulation foam to achieve EN45545-2 HL2, R1. Armaflex Rail ZH insulation provides reliable, long term protection against energy loss and condensation.

Armaflex Rail ZH-C without halogens (chloride, bromide) acc. DIN/VDE 0472, part 815. Fulfils DIN 1988 Parts 200. The covering offers an excellent durability, even under UV exposure when used for outdoor applications. The insulation system is designed for easy cleaning.

Adhesive Backed Armaflex Rail ZH & ZH-C Washers

CB Frost can apply a pressure sensitive adhesive to either one or both faces of BF1000 Silicone foam. We stock a wide range of synthetic and acrylic tapes, our adhesive tapes come with an easy peel release liner which you simply remove to expose the adhesive. This face is then placed on to the substrate and firmly pressed to obtain the bond.


Our lead-time to supply Plain or Adhesive Backed Armaflex Rail ZH & ZH-C Washers is 2-3 weeks, however CB Frost are flexible and work with our customers to ensure we meet their expectations.

Free of charge Armaflex Rail ZH & ZH-C Washers Samples

CB Frost will supply free of charge a small sample of Armaflex Rail ZH foam to your required thickness for testing before committing to an order.


Tooling continues to be very important in the manufacture of die cut Washers. Thanks to the company's long-standing history, we work with a variety of well-established tool makers in the West Midlands region.


CB Frost produce large amounts of Armaflex Rail ZH foam Washers every year and cater for small, medium, and large runs. Our manufacturing range includes Die Cut, Water Jet cut, Kiss cut, and High-Speed cutting processes providing our customers with a vast array of options dependent on the applications requirements.

Armaflex Rail ZH-C foam Washers are manufactured at our site in Nechells, Birmingham based in the West Midlands.


  • Plain, Single or Double Sided Adhesive Backed Washers

  • Kiss Cut Washers (Supplied on a roll)

  • Water Jet Cut washer when using a thicker material

  • EN45545-2 Approved

  • Halogen-free

  • Closed Cell Insulation Material

  • Factory applied silver metallic coating

Armaflex Rail ZH & ZH-C Washers Thicknesses

6mm and 13mm.


Armaflex Rail ZH & ZH-C Gaskets

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Armaflex Rail ZH & ZH-C Strip

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Armaflex Rail ZH & ZH-C Sheeting

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Armaflex Rail ZH & ZH-C Washers 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