Soudal Soudapack WST

Soudal Soudapack WST

One-component, solvent-free sealant that swells with water to stop leaks inside pipe and cable penetrations. It never cures, so you can pass extra cables or pipes through at any time.

Sealants Specialty products
  • Water-tight, water-vapour-tight, and gas-tight up to 3 bar
  • Water impermeable
  • Swells in contact with water to stop leaks
  • Immediate seal of leaks
  • Does not harden
Technical data sheet Safety data sheet

The data sheet has the full substrate list, limits and test ratings. Not sure it fits your job? Ask us.

More downloads

Soudapack WST leaflet Pipe and cable waterproof sealing guide Soudal catalogue

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Specifications

Packaging 310 ml cartridges, 12 cartridges / carton
Colour Yellow

Features and applications

Features

  • Permanently flexible
  • No adhesive layer needed
  • No vapours, no solvents
  • Indoor emission level of A+ (very low risk, very low VOC)
  • Easy to apply with standard caulking gun

Applications

  • Water-tight and gas-tight sealing in and around pipelines and cable penetrations
  • Sealing against groundwater and surface water ingress around pipes and cables through wall inlets below ground level
  • Sealing of wall penetrations inside buildings
  • Hermetic sealing of horizontal pipe and cable wall inlets

Application instructions

  • Where the gap between pipe and wall is large, you may need to backfill. Use backing material to set an application depth of at least 12 cm.
  • Use Soudapack WST on the inside of cable and pipe penetrations for a flexible seal.
  • For watertight and gastight seals around (and on the outside of) cable and pipe penetrations, use Soudal Aquaswell.
  • We recommend a top layer of water-resistant mortar (Soudaplug ST) to encapsulate Soudapack WST.

Video

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