Self-Adhesive Sponge Rubber Strip 15mm Thick – Sold by the Roll


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Sale price£19.00

In stock, ready to ship

In stock, ready to ship

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Description

Self-Adhesive Sponge Rubber Strip — 15mm Thick

A premium-grade, expanded closed-cell EPDM neoprene sponge strip with a factory-applied self-adhesive backing. At 15mm thick, this strip delivers outstanding compression, sealing, and cushioning performance across a wide range of commercial, industrial, and DIY applications — from weatherproofing doors and windows to vibration damping in vehicles and machinery. Available in nine widths and supplied as a 5-metre roll, it is ready to cut and apply straight from the pack.

Available Sizes — All 5 Metres Long, 15mm Thick
Width12mm × 15mm × 5m
Width15mm × 15mm × 5m
Width20mm × 15mm × 5m
Width25mm × 15mm × 5m
Width30mm × 15mm × 5m
Width40mm × 15mm × 5m
Width50mm × 15mm × 5m
Width75mm × 15mm × 5m
Width100mm × 15mm × 5m

Select your required width from the dropdown menu above. All rolls are 5 metres in length. The strip can be cut to any shorter length as needed.

Key Features
  • Expanded closed-cell EPDM neoprene sponge construction
  • 15mm thick — excellent compression and recovery
  • Self-adhesive on one side with removable yellow or white backing paper
  • Colour: Black
  • Fully waterproof — closed-cell structure prevents water ingress
  • Excellent resistance to UV light, air, and weathering
  • Good resistance to acids
  • Operating temperature range: -40°C to +70°C
  • Compressible and flexible — conforms to irregular surfaces
  • Supplied as a coiled roll — easy to handle and store
  • CFC and HFC free — recyclable material
Applications
Weatherproofing seal around doors and windows
Draught exclusion and gap filling
Sound damping and acoustic insulation
Vibration damping in machinery and equipment
Cushioning and impact protection
Non-slip surface applications
Bumper and edge protection
Caravan, motorhome, and boat sealing
Car, van, truck, and trailer sealing
General industrial and commercial sealing
DIY home improvement projects
Technical Specification
Property Value / Specification Test Method
Material Expanded Neoprene / EPDM Closed-Cell Sponge
Colour Black
Thickness 15mm (± 1.5mm)
Available Widths 12mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 75mm, 100mm
Roll Length 5 metres
Sheet Size (skin/skin) 2000 × 1000 × 54mm (± 4mm)
Hardness 36° Shore 00 (± 5°)
Density 120 kg/m³ (± 20)
Operating Temperature -40°C to +70°C
Compression @ 25% Deflection 45 kPa (± 10%) ASTM D1056 : 2007
Compression @ 50% Deflection 100 kPa (± 10%) ASTM D1056 : 2007
Compression Set (50%, 22h, 20°C) 25% max. ASTM D1056-00
Tensile Strength 400 kPa (± 10%) ASTM D3575 : 2008
Elongation at Break 120% (± 10%) ASTM D3575 : 2008
Water Absorption (max. change in weight) 4% (± 10%) ASTM D1056 : 2007
Heat Ageing — Change in Tensile Strength (100°C, 72h) 25% (± 10%) ASTM D1056 : 2007
Heat Ageing — Change in Elongation (100°C, 72h) -15% (± 10%) ASTM D1056 : 2007
Flammability — FMVSS 302 Burn Rate < 100mm/min — Pass FMVSS 302
Flammability — UL94 HBF Pass UL94
Resistance to UV Light & Air Excellent
Resistance to Acids Good
Resistance to Oil / Petrol / Solvents Poor — not recommended
Environmental CFC and HFC Free — Recyclable
Adhesive Side One side — removable yellow or white backing paper
Supply Format Coiled roll
Dimensional Tolerances
Dimension Tolerance
Thickness — 15mm ± 1.5mm
Width Due to the compressible nature of this product, a small tolerance in width may apply
All figures shown are average values. We recommend verifying the material's suitability for your specific application before use.
How to Apply

Ensure the application surface is clean, dry, smooth, and completely free of oil, grease, and dust. Peel back the yellow or white backing paper to expose the adhesive layer, then press the strip firmly into position. For best results, apply at room temperature and allow a short dwell time before subjecting the seal to compression or movement. The strip can be cut to any required length using a sharp blade or scissors.

Frequently Asked Questions
What material is this strip made from?
It is made from expanded closed-cell EPDM neoprene sponge — a durable, flexible rubber compound with excellent resistance to UV light, weathering, and outdoor exposure.
What widths are available?
The strip is available in nine widths: 12mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 75mm, and 100mm. All options are 15mm thick and 5 metres long. Select your width from the dropdown above.
Can it be used outdoors?
Yes. The closed-cell EPDM neoprene construction is fully waterproof and provides excellent resistance to UV light, air, and general weathering, making it well suited to outdoor sealing applications.
Is it suitable for use in vehicles?
Yes — it is widely used in caravans, motorhomes, boats, cars, vans, trucks, and trailers for sealing, sound damping, and vibration isolation. Please note it is not recommended for direct contact with oil, petrol, or solvents.
Can I cut the strip to a shorter length?
Yes. Each roll is 5 metres long and can be cut to any required length using a sharp knife or scissors. The self-adhesive backing remains effective after cutting.
What temperature range does it withstand?
This strip operates reliably between -40°C and +70°C, making it suitable for both cold-climate sealing and moderately warm environments such as engine bays and heated buildings.

* This material is not recommended for exposure to petrol, oil, or solvents.

* Ensure the application surface is smooth, clean, dry, and free of oil or grease before applying.

* Due to the compressible nature of this product, a small tolerance in width and thickness may be present.

* All technical values shown are average figures. Suitability for specific applications should be verified prior to use.

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