// Capability · Extruded & moulded

Silicone & EPDM sponge sealing.

We make closed-cell silicone and EPDM sponge profiles, strips and gaskets that seal softly under low compression force — ideal where mating faces are uneven or clamp loads are light. Extruded or moulded to your drawing.

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Key properties

Typical ranges
StructureClosed-cell sponge
CompressionLow closing force
FormsProfiles, strips, gaskets
PolymersSilicone, EPDM

Density and section are matched to your sealing gap and load.

// Why sponge

Soft sealing where solids can't.

Low compression force

Closed-cell foam seals against uneven faces under light clamp load.

Closed-cell structure

Resists water absorption — used for dust, draught and weather sealing.

Resilient recovery

Springs back to keep sealing through repeated open/close cycles.

// Material fit

Two specialisms.

Silicone sponge

High- and low-temperature sealing with UV and weather stability.

EPDM sponge

Cost-effective weather, ozone and water sealing for the outdoors.

// FAQ

Common questions.

What is closed-cell sponge rubber?

A foam structure with sealed cells that resist water absorption — giving soft sealing under low force, used for weather, dust and draught seals.

When should I use sponge instead of solid rubber?

When mating surfaces are uneven or clamp force is low — sponge seals softly where a solid profile would need more pressure.

Do you make sponge in silicone and EPDM?

Yes — both, as extruded profiles, strips or moulded gaskets to your drawing.

Need a sponge seal?

Send a drawing, sample or spec — we'll recommend the material and come back to you.

Get a quote →
Explore our materials — Silicone, EPDM, FKM, NBR, Neoprene and SBR →