Waterproof

Semco Liquid Membrane offers complete waterproof solutions for all types of projects

SEMCO LIQUID MEMBRANE

Ready-to-use waterproofing and anti-fracture membrane

The SEMCO Liquid Membrane is a ready-to-use waterproofing and anti-fracture membrane in one, safe for indoor and outdoor use. Applied to foundations, ICF basements, shower liners, deck and fence posts, and planter boxes on almost any substrate — concrete, wood, stone, metal, aluminum, plaster, MDF, and bricks. Solvent-free, non-toxic, and VOC-free.

HOW TO APPLY

Step 1: Prepare the surface — clean, dry, and free of dust, oil, and loose material

Step 2: Apply first coat with a brush or roller at 1 litre per 1.5–2 m²

Step 3: Allow to dry (2–4 hours depending on conditions)

Step 4: Apply second coat in the opposite direction at the same rate

Step 5: Allow full cure before exposing to water (minimum 24 hours)

DOCUMENTS

Technical Data Sheet (TDS) / Safety Data Sheet (SDS) / Application Guide

GET SEMCO LIQUID MEMBRANE

Contact your SEMCO distributor or visit semcocanada.com to find a dealer near you.

A large, unfinished wooden bathtub installation in a bathroom or construction area.

Apply on almost any hard surface for long-lasting waterproofing and crack-bridging protection.

Suitable for interior, exterior, and fully submerged in water applications. Ready to apply on a range of substrates including concrete, wood, stone, interior & exterior cladding, metal, aluminum, plaster, MDF, bricks, under tiles & more.

Person using a roller to spread orange-colored paint or coating on a surface.
A modern bathroom with a built-in bathtub, gray cabinets, open shelves, and a partially finished wall with exposed wiring.

Features & Benefits

Easy to apply · Waterproofing & Anti-Fracture in one · Elongation without breaking

Application Areas

Foundations, ICFs, basements, shower liners, deck and fence posts, planter boxes, concrete, wood, stone, cladding, metal, aluminum, plaster, MDF, bricks, and under tiles.

Product Details

Colour: Orange (other colors available on request)

Chemical type: Latex - cross-link hybrid

Shelf life: 2 years

Packaging: 1, 5, 55 gal

For full application instructions, coverage rates, and technical documentation, contact SEMCO Canada or visit our Become a Dealer page.