Description
Visqueen High Performance Damp Proof Membrane – Heavy Duty Moisture Protection for Ground Floors
The Visqueen High Performance Damp Proof Membrane is a robust 0.5mm co-polymer thermoplastic DPM designed to protect buildings from ground moisture in a wide range of construction applications.
Supplied in a centre-folded 4m x 12.5m roll, this high-performance membrane reduces creasing and minimises the risk of screed cracking while ensuring fast, efficient installation on-site.
Tested for durability and sulphate resistance (DS1–DS5 when welded), it provides long-lasting protection for both domestic and commercial ground floor constructions.
Key Features & Benefits:
✔ High Performance DPM – Protects against moisture ingress from the ground
✔ Centre Folded Roll – Reduces creases and improves installation quality
✔ Dual Jointing Options – Tape or heat weld depending on specification
✔ Sulphate Resistant – Suitable for aggressive ground conditions (ACEC DS1–DS5 when welded)
✔ Durable & Flexible – Strong co-polymer thermoplastic construction
✔ BBA Certified – Independently tested and approved
Ideal Applications:
✔ Ground floor slabs (above or below structural floor)
✔ Concrete slab constructions
✔ Beam and block flooring systems
✔ Domestic and commercial buildings
✔ Projects requiring sulphate resistance
Installation Guidelines:
Install onto a smooth, clean and level surface such as sand blinding or concrete
Loose lay membrane with:
- Minimum 150mm overlaps (taped system)
- Or heat welded joints (required for sulphate resistance)
Seal joints using:
- Double sided jointing tape
- Single sided lap tape
Seal around penetrations using:
- Top hat units or detailing strips
⚠ Must not be used in areas with hydrostatic pressure
⚠ Do not install below 5°C
⚠ Protect membrane after installation to avoid damage
Product Specifications:
Thickness: 0.5mm
Roll Size: 4m x 12.5m
Material: Co-polymer thermoplastic
Colour: Yellow
Jointing: Tape or heat weld
Standards & Compliance:
BBA Certified (94/3009)
EN 13967:2017 compliant
ISO 9001 / 14001 / 45001 certified
ACEC DS1–DS5 sulphate resistance (when welded)
Frequently Asked Questions
What is this membrane used for?
It is used as a damp proof membrane (DPM) to prevent moisture rising from the ground into buildings.
Can it be used in sulphate-contaminated ground?
Yes, when heat welded, it is suitable for ACEC DS1–DS5 sulphate conditions.
How are joints sealed?
Either by:
- Taping (standard use)
- Heat welding (for higher performance and sulphate resistance)
Can it be used above and below slabs?
Yes, it can be installed above or below the structural floor slab.
Does it need protection after installation?
Yes, it should be covered immediately (e.g. screed or protection layer) to prevent damage.
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