Meet SEMCOWorks Liquid Membrane
SEMCO Works Liquid Membrane™ is an all-in-one solution for Waterproofing, Anti-Fracture Protection and Repair Works. Use it as a base coat before surfacing OR as a sealer to prevent water infiltration, fix leaks, seal cracks, stop rust, or stabilise surfaces.
Its applications include:
- Internal and external floors, walls, ceilings, and joinery
- Bathrooms including showers, sinks and bathtubs
- Balconies and decks
- Garages and basements
- Sheds, boats, and caravans
- Flat rooftops
Unlike sheet membranes that require seams or multiple products for full protection, SEMCOWorks Liquid Membrane™ eliminates the weak points. Its seamless application and multi-purpose formulation mean fewer steps and less margin for error for DIY enthusiasts.

With its innovative hybrid elastomer blend, Liquid Membrane™ ticks all the boxes compared to rubber and silicone based membranes. Its advantages include:
Seamless Waterproofing: Creates a continuous, flexible shield against water for durable protection on 15+ substrates.
Anti-Fracture Protection: An unmatched 1300% elongation to reduce crack transmission and seal all surfaces in high-movement areas.
45-Minute Drying Time: Engineered for a faster drying time per coat so you can apply in one day.
UV & Temperature Resistant: Formulated to endure prolonged sun exposure and extreme temperature changes.

Guards Against Rust and Mould: Forms a protective barrier to shield metals from oxidation and other surfaces in high-moisture areas from mould.
Resistant to Chemicals and Gases: Designed to withstand various industrial substances for demanding commercial applications.
Safe for Plants & Animals: Free from harmful chemicals, it’s safe for users and environmentally responsible.
Fire-Safe Technology: Meets all fire resistance standards, adding an extra layer of safety to your surfaces.
