Solutions

    Waterproofing: Below Ground, Retaining Walls (Pre-cast)

    Waterproofing systems specifically developed for pre-cast concrete structures, including wall panels, base slabs, and associated interface details. Envirosystems supplies flexible, fully bonded sheet and liquid-applied membrane technologies designed to accommodate structural movement, manage joint transitions, and deliver reliable long-term protection against water ingress in below-ground environments.

    These systems are engineered to address the unique challenges of pre-cast construction, where multiple joints, lift points, and panel connections require robust detailing to maintain continuity of the waterproofing barrier.

    • Compatible with pre-cast elements, construction joints, and panel connection details
    • Designed for seamless integration at panel-to-slab junctions and vertical interfaces
    • Engineered to resist hydrostatic pressure, ground contaminants, and lateral water migration

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    Solutions

    Advanced Waterproofing Solutions

    Durable and reliable waterproofing for every application.

    700X

    Enviro 700X is a one-component polyurethane membrane suited to pre-cast construction where detailing flexibility and ease of use are key.

    • Easy roller application around pre-cast joints and penetrations
    • Withstands hydrostatic pressure and aggressive site conditions
    • Provides a fully bonded, seamless barrier across interfaces

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    HP 1200

    Enviro HP1200 is a fast-curing, spray-applied polyurea system ideal for pre-cast structures with complex geometries and timelines.

    • Instant cure enables fast turnaround on busy construction schedules
    • High elongation and strength suit dynamic joint conditions
    • Seamless membrane bridges gaps, penetrations, and interfaces

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    BSM

    Enviro BSM is a pre-applied HDPE sheet membrane suited for pre-cast foundations and blindside walls.

    • Bonds directly to poured concrete, eliminating water migration
    • Designed for use with pre-set rebar cages and formwork • Resists moisture, soil chemicals, and backfill pressure

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    BSL

    Enviro BSL is a post-applied HDPE sheet membrane ideal for waterproofing accessible pre-cast surfaces.

    • High durability and chemical resistance under load-bearing surfaces
    • Effective on vertical pre-cast walls and horizontal floor junctions
    • Quick to install and weldable for reliable lap sealing

    Enviro Hydrostatic 1

    Enviro Hydrostatic 1 is a flexible polymer modified cementitious membrane based on advanced cross-linking polymer technology. The addition of water to the Hydrostatic 1 powder forms a high-quality, liquid membrane system. Hydrostatic 1 should be applied over concrete, masonry and natural stone substrates. The cured film provides a watertight membrane that is permeable to vapour diffusion and offers excellent freeze-thaw durability, as well as outstanding adhesion properties.

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