Description

Sika is a globally recognized leader in specialty chemicals for construction and industry, with a legacy of innovation spanning over 100 years. Headquartered in Switzerland, Sika develops and produces advanced systems and products for bonding, sealing, damping, reinforcing, and protecting in the building sector and the manufacturing industry.

Description:

Sika – Cemflex – Cementitious Polymer Waterproofing Membrane – 5m×1m

Overview

Sika Cemflex is a cement-based, polymer-modified ...waterproofing membrane supplied in a convenient 5 m × 1 m roll. It provides a durable, flexible, and moisture-resistant barrier for concrete, masonry, and cementitious surfaces, protecting structures from water ingress and long-term damage. Ideal for both interior and exterior applications.

Key Features & Benefits

• Waterproof and moisture-resistant – protects structures from water damage
• Flexible, crack-bridging membrane – adapts to substrate movement
• Strong adhesion – bonds securely to concrete, masonry, and cementitious surfaces
• Durable and long-lasting – designed for tough environments
• Non-toxic once cured – safe for potable water applications
• Convenient 5 m × 1 m roll size – easy to handle and install

Applications / Usage

Sika Cemflex is ideal for:

• Waterproofing basements, balconies, terraces, and water tanks
• Protecting retaining walls and structural concrete surfaces
• Coating renders and cementitious substrates to prevent moisture penetration
• Preparing substrates for tiles or finishes in wet areas

Material Composition

• Portland Cement – forms the structural base
• Acrylic Polymer Emulsion – provides flexibility, adhesion, and water resistance
• Fillers & Additives – enhance bonding, durability, and workability
• Water – mixed with powder and polymer to create a workable slurry

Technical Properties

• Form: Cementitious powder + liquid polymer emulsion
• Colour: Grey
• Curing: Forms a tough, flexible waterproof membrane after setting
• Application: Brush, roller, or trowel
• Surface: Concrete, masonry, cement renders

Packaging & Size

• Roll Size: 5 m × 1 m
• Material Type: Cementitious, polymer-modified membrane kit (powder + polymer emulsion)
• Convenient for large surface coverage

What’s in the box
1 x Sika – Cemflex – Cementitious Polymer Waterproofing Membrane – 5m×1m