CM20 Hi-Vis Membrane (Safety and Quality)

CM20 Hi-Vis Cavity Drain Membrane: Safety, Quality, and Visibility

The CM20 Hi-Vis Cavity Drain Membrane is a high-quality structural waterproofing material designed to meet the specific needs of dark basements and similar environments. With a high-visibility yellow color, it significantly reduces trip hazards and ensures safe, efficient installation. This 20mm studded membrane is suitable for Type C waterproofing, and its superior drainage capacity sets it apart from other membranes in the Wykamol range.

Superior Features

• High-grade material with a vibrant yellow color for enhanced visibility in dark basements.
• Helps prevent trip hazards by clearly showing joints.
• Conforms to a Type C cavity drain membrane system according to BS8102:2009.
• Provides a high water void volume of 14 litres/m2.
• Quick and easy to install – rolls out conveniently along floors.
• Transforms damp or wet conditions into dry, habitable living spaces.
• Can be cut down easily using a sharp blade.
• Resistant to water, salt, roots, and contaminants.
• Causes minimal or no damage to the existing structure.
• Tolerates both low and high temperatures.
• Available in 2m x 20m and 2m x 10m rolls, with the latter only weighing 20kg.

Typical Uses

The CM20 Hi-Vis Membrane is a Radon barrier approved for a variety of applications including walls, floors, vaults, tunnels, and above or below-ground waterproofing.

Preparation, Application and Finishing

The CM20 Hi-Vis Membrane requires careful substrate preparation, meticulous application, and accurate finishing for optimum results. Full instructions for each of these stages are provided, including recommended procedures for dealing with potential issues such as mould, masonry fungi, and dry rot.

Aftercare and Storage

After installation, the CM20 Hi-Vis Membrane needs only minimal aftercare. It’s crucial to provide adequate ventilation, especially in wet areas like kitchens and bathrooms. Store in an upright position, under cover, and away from high temperatures and open flames.

Safety and Health

Wykamol always advises the use of appropriate Personal Protective Equipment (PPE) during installation, including gloves, hard hats, goggles, high-visibility jackets, and steel-toe boots. No specific hazards are likely with the CM20 Hi-Vis Membrane or ancillaries, but general precautions should be exercised, particularly when working in confined spaces.

The CM20 Hi-Vis Membrane: the highest standard of safety, visibility, and quality for all your waterproofing needs.