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TT Swellmastic S2 - Waterproofing Mastic for Construction Joints

A gun applied, one component hydro reactive expansion sealant for waterproofing joints in concrete.

It has excellent adhesive properties to concrete, steel, glass, PVC, HDPE etc. The surface can be rough or smooth and damp or dry.

General information

Uniclass 2015

Pr_30_31_76_16 Construction joint sealantsPrimary


E40/530 Sealant

Specification data - Construction joint sealants

Product Reference

TT Swellmastic S2

Standard product features




  • 100% when in contact with water.
  • 50–70% when in contact with sea water.

Tear resistance:

20 kg/cm².

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