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Soudapack WST
Waterproofing Specialist formulation

Soudal Singapore product

Soudapack WST

A non-hardening, hydro-expansive sealing paste for the inside of pipe and cable penetrations, used with the documented backing and Soudaplug ST finishing detail.

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Product description

Inside cable and pipe penetrations

Soudapack WST remains flexible rather than curing hard, allowing later cable changes while maintaining the documented seal. Use the required backing depth, keep cables separated, fill without voids and finish the opening with Soudaplug ST.

Water-pressure performance

A correctly installed system resists up to 3 m of water pressure. This performance depends on the complete penetration detail, including the opening, cables or pipes, backing depth, fill and Soudaplug ST finish.

Preparation and application

Follow the product instructions step by step.

Use the guidance and documents for your chosen product. Contact us if the English TDS or SDS you need is not listed below.

  1. 01

    Identify the leak path and confirm that the product is suitable for the substrate, water pressure and expected movement.

  2. 02

    Prepare the surface and detail cracks, corners, penetrations and transitions as required by the current system documentation.

  3. 03

    Apply the specified coat thickness, coverage and reinforcement without pinholes or gaps.

  4. 04

    Allow the system to cure and protect it from rain, traffic or finishing work for the documented period.

Product videos

See how the product is used.

Product documents

Technical and safety documents.

Find the current technical, safety and supporting documents available for this product.

Product documents

Request the English TDS or SDS.

Contact the Singapore team for the correct technical, safety or supporting document for this product.

Request product documents

For the best result

Match the product to the materials and application.

These practical points help you achieve a reliable result.

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  • Coordinate the waterproofing product with drainage, joints, penetrations and expected substrate movement.
  • For project-specific or Singapore requirements, choose current test and approval documents covering the intended detail.
  • For the best result, follow the current technical and safety information for the selected product.
  • For unfamiliar materials, coatings or site conditions, test adhesion and compatibility on the prepared surface first.

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A rapid-setting cementitious mortar for stopping active water leaks and repairing suitable concrete, masonry and stone, including the finishing layer in the Soudapack WST penetration detail.

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Product selection help

Ask about your materials, dimensions and exposure.

Send the local team the materials, joint or bond dimensions, exposure, project requirements and photographs where helpful.

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