£39.99
In stock
9911 in stock
Protect buildings and structures from moisture with our High Coverage Damp Proof Membrane (DPM) 500 Gauge / 125mu, a durable and flexible polythene membrane designed to create an effective waterproof barrier beneath floors, slabs and other building applications.
Manufactured from high-quality polythene, this 500 gauge damp proof membrane helps prevent the movement of water and moisture into the building structure, reducing the risk of damp, mould and fungal growth. Its strong yet flexible construction makes it easy to handle and install, providing reliable long-term protection for residential, commercial and industrial projects.
With a roll size of 4m x 50m, this membrane provides excellent coverage and is suitable for use as a damp proof layer beneath concrete floors, screeds, floor finishes and building foundations. It is CE Certified (No. 1454) to EN 14909:2012 Type A, confirming its suitability for use as a watertight construction membrane.
Product: Damp Proof Membrane (DPM)
Thickness: 500 Gauge / 125mu
Roll Size: 4m x 50m
Coverage: 200m²
Certification: CE Certified No. 1454
Standard: EN 14909:2012 Type A
Watertight Performance: >2kPa
Low Temperature Resistance: -25°C
Fire Resistance: Class F
Material: Polythene Sheet
This high-performance DPM is suitable for:
Polythene thickness can be measured using either gauge or microns (mu). Gauge was traditionally used as an imperial measurement, while micron is now the recognised European metric standard.
As a guide:
This 500 gauge / 125mu damp proof membrane provides a strong and reliable moisture barrier, offering excellent performance for waterproofing applications where durability and flexibility are essential.
Designed for dependable moisture protection, this high coverage DPM membrane combines strength, flexibility and ease of installation. It helps safeguard floors and structures against water damage while providing a durable waterproof layer for construction projects of all sizes.
Whether used by professional builders or DIY users, this heavy-duty damp proof membrane delivers reliable protection against moisture, helping maintain a dry and secure building environment.
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We only deliver to mainland UK excluding the Scottish Isles. All other areas, please call for pricing.
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| Shipment method | Estimated delivery time | Shipment cost |
| Standard | 3-5 business days | As specified at checkout |
Delivery delays can occasionally occur.
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We currently do not ship outside the UK.
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