We are able to ship to the UK, europe and worldwide.

Silicone & Expanded Neoprene Sponge Cord

Manufactured from either white expanded silicone or black expanded neoprene, our sponge cord is available in a selection of diameters between 3mm and 25mm. This selection allows you to choose a section suitable for the size of the gap you are looking to seal, whilst matching the colour of existing hardware and fittings. As expanded rubber materials are soft, compressible and flexible, sponge cord can be used for creating watertight seals, joining into o rings, or making custom sized gaskets. The ends can be joined together using good quality superglue, contact adhesive or silicone sealant, depending on the chosen material.

Expanded neoprene sponge cord has an excellent resistance to UV, air and ozone so can reliably be used in outdoor environments and adverse weather conditions. Expanded silicone sponge cord is slightly firmer than expanded neoprene so is often used with larger closing forces. It also has an operating temperature range between -60°C to +200°C so can be used for low and high-temperature applications. Both of these materials are closed-cell so will not absorb moisture or water. 

All Sponge Hatch Seals

ENC82 Expanded Neoprene Sponge Cord (Skinned) - 3mm Diameter
Expanded Neoprene Sponge Cord (Skinned) - 3mm Diameter

Expanded Neoprene
Diameter: 3mm
Colour: Black
Coil Length: 750m
£ 0.85 £ 0.85 0.85 GBP
Per Metre
ENC82

ENC2222 Expanded Neoprene Sponge Cord (Skinned) - 4mm Diameter
Expanded Neoprene Sponge Cord (Skinned) - 4mm Diameter

Expanded Neoprene
Diameter: 4mm
Colour: Black
Coil Length: 1000m
£ 0.95 £ 0.95 0.9500000000000001 GBP
Per Metre
ENC2222

ENC83 Expanded Neoprene Sponge Cord (Skinned) - 5mm Diameter
Expanded Neoprene Sponge Cord (Skinned) - 5mm Diameter

Expanded Neoprene
Diameter: 5mm
Colour: Black
Coil Length: 750m
£ 1.10 £ 1.10 1.1 GBP
Per Metre
ENC83

ENC84 Expanded Neoprene Sponge Cord (Skinned) - 6mm Diameter
Expanded Neoprene Sponge Cord (Skinned) - 6mm Diameter

Expanded Neoprene
Diameter: 6mm
Colour: Black
Coil Length: 500m
£ 1.50 £ 1.50 1.5 GBP
Per Metre
ENC84

ENC85 Expanded Neoprene Sponge Cord (Skinned) - 8mm Diameter
Expanded Neoprene Sponge Cord (Skinned) - 8mm Diameter

Expanded Neoprene
Diameter: 8mm
Colour: Black
Coil Length: 300m
£ 2.25 £ 2.25 2.25 GBP
Per Metre
ENC85

ENC86 Expanded Neoprene Sponge Cord (Skinned) - 10mm Diameter
Expanded Neoprene Sponge Cord (Skinned) - 10mm Diameter

Expanded Neoprene
Diameter: 10mm
Colour: Black
Coil Length: 200m
£ 3.00 £ 3.00 3.0 GBP
Per Metre
ENC86

ENC87 Expanded Neoprene Sponge Cord (Skinned) - 12mm Diameter
Expanded Neoprene Sponge Cord (Skinned) - 12mm Diameter

Expanded Neoprene
Diameter: 12mm
Colour: Black
Coil Length: 50m
£ 4.05 £ 4.05 4.05 GBP
Per Metre
ENC87

ENC612 Expanded Neoprene Sponge Cord (Skinned) - 16mm Diameter
Expanded Neoprene Sponge Cord (Skinned) - 16mm Diameter

Expanded Neoprene
Diameter: 16mm
Colour: Black
Coil Length: 50m
£ 5.50 £ 5.50 5.5 GBP
Per Metre
ENC612

ENC613 Expanded Neoprene Sponge Cord (Skinned) - 19mm Diameter
Expanded Neoprene Sponge Cord (Skinned) - 19mm Diameter

Expanded Neoprene
Diameter:19 mm
Colour: Black
Coil Length: 25m
£ 10.45 £ 10.45 10.450000000000001 GBP
Per Metre
ENC613

ENC614 Expanded Neoprene Sponge Cord (Skinned) - 25mm Diameter
Expanded Neoprene Sponge Cord (Skinned) - 25mm Diameter

Expanded Neoprene
Diameter: 25mm
Colour: Black
Coil Length: 25m
£ 11.90 £ 11.90 11.9 GBP
Per Metre
ENC614

ESC4234 White Expanded SIL16 Silicone Cord (Skinned) - 3mm Diameter
White Expanded SIL16 Silicone Cord (Skinned) - 3mm Diameter

Expanded Silicone
Diameter: 3mm
Colour: White
Coil Length: 25m
£ 4.65 £ 4.65 4.65 GBP
Per Metre
ESC4234

ESC4235 White Expanded SIL16 Silicone Cord (Skinned) - 5mm Diameter
White Expanded SIL16 Silicone Cord (Skinned) - 5mm Diameter

Expanded Silicone
Diameter: 5mm
Colour: White
Coil Length: 25m
£ 5.30 £ 5.30 5.3 GBP
Per Metre
ESC4235

ESC4236 White Expanded SIL16 Silicone Cord (Skinned) - 6mm Diameter
White Expanded SIL16 Silicone Cord (Skinned) - 6mm Diameter

Expanded Silicone
Diameter: 6mm
Colour: White
Coil Length: 25m
£ 5.30 £ 5.30 5.3 GBP
Per Metre
ESC4236

ESC4237 White Expanded SIL16 Silicone Cord (Skinned) - 8mm Diameter
White Expanded SIL16 Silicone Cord (Skinned) - 8mm Diameter

Expanded Silicone
Diameter: 8mm
Colour: White
Coil Length: 25m
£ 6.50 £ 6.50 6.5 GBP
Per Metre
ESC4237

ESC4238 White Expanded SIL16 Silicone Cord (Skinned) - 10mm Diameter
White Expanded SIL16 Silicone Cord (Skinned) - 10mm Diameter

Expanded Silicone
Diameter: 10mm
Colour: White
Coil Length: 25m
£ 8.90 £ 8.90 8.9 GBP
Per Metre
ESC4238

ESC4239 White Expanded SIL16 Silicone Cord (Skinned) - 12mm Diameter
White Expanded SIL16 Silicone Cord (Skinned) - 12mm Diameter

Expanded Silicone
Diameter: 12mm
Colour: White
Coil Length: 25m
£ 9.70 £ 9.70 9.700000000000001 GBP
Per Metre
ESC4239

ESC4240 White Expanded SIL16 Silicone Cord (Skinned) - 15mm Diameter
White Expanded SIL16 Silicone Cord (Skinned) - 15mm Diameter

Expanded Silicone
Diameter: 15mm
Colour: White
Coil Length: 25m
£ 14.35 £ 14.35 14.35 GBP
Per Metre
ESC4240

ESC4241 White Expanded SIL16 Silicone Cord (Skinned) - 20mm Diameter
White Expanded SIL16 Silicone Cord (Skinned) - 20mm Diameter

Expanded Silicone
Diameter: 20mm
Colour: White
Coil Length: 25m
£ 16.25 £ 16.25 16.25 GBP
Per Metre
ESC4241

ESC4242 White Expanded SIL16 Silicone Cord (Skinned) - 25mm Diameter
White Expanded SIL16 Silicone Cord (Skinned) - 25mm Diameter

Expanded Silicone
Diameter: 25mm
Colour: White
Coil Length: 25m
£ 18.20 £ 18.20 18.2 GBP
Per Metre
ESC4242