Damp Proof Membrane

500 Microns - MAX

Our 500-micron Damp Proof Membrane is the ultimate heavy-duty solution for superior moisture protection under concrete slabs. Designed for demanding applications, it provides a high-strength barrier against water and vapour. Made from 100% recycled polyethylene, this BBA-certified membrane ensures reliability and environmental responsibility. Available in black and supplied in multi-fold or centre-fold options, it offers versatility and ease of installation. Ideal for projects requiring maximum durability, it guarantees long-lasting protection for even the most challenging environments.

Colour Variations

Mastic Tape Joint

When the sheet cannot be kept dry, form a double-welted fold using at least 300 mm of membrane. Secure the fold in place before adding concrete, e.g., by weighting with bricks.

Double-welted Fold Joint

Ensure the damp-proof membrane is continuous with the surrounding wall’s damp-proof course, using it as a vertical link if necessary.

Cover the membrane with a screed or protective layer promptly. Avoid stretching or displacing the membrane when adding concrete or screed, and allow for bridging prevention at internal angles.

Installation

Our Damp Proof Membrane is designed for easy installation, providing robust protection against moisture. Follow our recommended guidelines for optimal results, ensuring long-lasting durability and compliance with industry standards in every project.

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Production Proccess

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