Cetco Volsheet DPM - 4m x 20m Roll

Key Benefits:

• Manufactured from high-quality recycled polyethylene
• Complies with national Building Regulations Part C, Section 4
• Provides gas protection against radon and contaminated land (per BRE 212)
• Long-lasting protection against liquid and water vapour
• Loose-laid for ease of installation
• Compatible with a wide range of concrete flooring systems

Applications:

• Solid concrete ground floors without hydrostatic pressure
• Ground-bearing concrete floors
• Suspended concrete or beam-and-block floors
• Protection against radon gas and other ground contaminants
• New-build housing, commercial buildings, and refurbishments

Installation Guidelines:

• Install in accordance with BRE 212 and relevant BS Codes of Practice
• Lay on smooth, consolidated sand blinding to avoid puncture risks
• Lap joints by minimum 150mm and seal with Butyl Tape DS100
• Protect with rigid insulation, protection boards, or 50mm sand/cement screed
• Service penetrations should use pre-formed units and be fully sealed

Limitations:

• Not suitable for long-term exposure to sunlight or outdoor weathering
• Best practice is to minimise service penetrations through the membrane
• Must be protected from puncture during and after installation

Storage & Safety:

• Store rolls undercover, flat, and away from direct sunlight
• No health and safety implications under normal use