A home improvement material designed to prevent moisture penetration and improve airtightness in walls, roofs and floors. Damplas Polythene Vapour Control Layer uses heavy-gauge polythene to simplify installation while standing up to site handling. Is it the reliable vapour barrier suited to modern airtight construction?
⚡ At a Glance
- • Moisture Control: High resistance to water vapour reduces moisture ingress and supports insulation performance
- • Best for: Builders, renovators and airtightness-conscious homeowners working on walls, roofs and floor assemblies
- • Not ideal for: External weatherproofing or exposed cladding where UV-resistant membranes are required
CE Marked to EN13984 for use within wall, roof and floor construction. 500-gauge polythene sheet restricts warm moist air movement and improves airtightness.
Reliable moisture protection – Thanks to 500-gauge polythene
500-gauge (125MU) polythene forms a dense film that resists water vapour transmission when placed within a cavity or lining. The heavy gauge reduces the risk of accidental punctures during handling.
Prevents moisture reaching structural surfaces, lowering the risk of condensation and helping insulation retain its thermal performance.
Improved airtightness – With CE marking to EN13984
CE Marked to EN13984 denotes conformity with the stated European standard for vapour control membranes intended for use within structures. Certification supports specification for internal wall, roof and floor assemblies.
Helps restrict warm, moist air movement through building elements, contributing to fewer draughts and more consistent thermal performance when sealed correctly.
Quicker installation on site – Thanks to large 2.7m x 50m roll and durable sheeting
Wide roll format covers larger spans and reduces the number of joints required, while robust polythene resists tearing during unrolling and positioning. User feedback highlights ease of rolling out and handling.
Speeds up on-site work and reduces time spent sealing joins, a practical advantage for longer runs or larger refurbishments.
✨ The 4 Key Reasons for Damplas Polythene Vapour Control Layer
- 500-gauge thickness – Reliable barrier that limits vapour transmission for years
- CE Marked to EN13984 – Confirms suitability for internal vapour control in building assemblies
- Large 2.7m x 50m roll – Covers wide areas quickly, reducing seams and installation time
- Durable polythene construction – Resists tears during installation, lowering replacement and waste
📋 Technical Details at a Glance
- Category: Home Improvement - Vapour Control Layer
- Brand: Damplas
- Material: Polythene
- Gauge (thickness): 500 Gauge, 125MU
- Colour/Tint: Green tint
❓ Frequently Asked Questions
Q: Is this suitable for use in walls, roofs and floors?
A: Yes. Product descriptions state use within wall, roof and floor construction to help prevent moisture penetration and improve airtightness.
Q: Is the membrane easy to install on site?
A: User reviews report that the sheeting is easy to roll out and quick to install, and the wide roll format reduces the number of joins required.
Q: Does the product carry any certification?
A: Yes. CE Marked to EN13984, as stated in the product information.
🏆 Our Verdict
Suitable for builders, renovators and homeowners focused on airtightness and condensation control. Heavy-gauge polythene, CE marking and large roll format combine durability with practical on-site handling. While initial outlay may be higher than the thinnest films, durability and fit-for-purpose certification make it a sensible long-term choice.
