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Novia Methane Pro 390gsm Gas Barrier Membrane 1.6m x 50m Roll

Novia Methane Pro 390gsm Gas Barrier Membrane  1.6m x 50m Roll
Guide Price
Novia Methane Pro 390gsm Gas Barrier Membrane 1.6m x 50m Roll
Guide Price: £194.52 (£233.42 inc VAT)
  • Product Code: A1-2447
  • Delivery Time: 1 - 2 days
  • Brand: Novia
  • (Tech. support: 01622678952)
  • Model and Size: 1.6m x 50m
  • Weight: 27.00kg
Our ratings on 17-06-2025:
Google My Business Reviews
4.8 out of 5

Novia Methane Pro 390gsm Gas Barrier Membrane 1.6m x 50m Roll

Width: 1600mm
Weight: 27kg

Novia Methane Pro 390gsm Gas Barrier Membrane is a a high-performance, multi-layer reinforced gas barrier designed to provide superior protection against methane, radon, carbon dioxide, and other ground gases. Manufactured to meet the latest industry standards, this durable membrane is ideally suited for use in residential, commercial, and industrial construction projects where effective gas resistance is required. With a robust composition and a weight of 390gsm, Novia Methane Pro offers exceptional tensile strength and puncture resistance, ensuring long-term reliability even in demanding ground conditions. The membrane is fully compliant with BS 8485:2015+A1:2019 and CIRIA C735 guidelines, making it a trusted solution for gas protection in brownfield sites and areas with potential contamination risks. Easy to install and compatible with a range of jointing and sealing systems, Novia Methane Pro 390gsm is an excellent choice for developers and contractors looking for a cost-effective yet highly efficient gas barrier membrane.

CHARACTERISTICS
  • Tough, tear-resistant and reinforced material
  • Easy to install loose-laid membrane
  • Multi-layer virgin polythene laminate with an aluminium foil core
  • Extremely low vapour and methane permeability
  • Excellent puncture and tear resistance
  • Meets BS 8485:2015+A1:2019 and CIRIA C735 standards for gas protection
  • Offers high performance at a competitive price point
APPLICATION
  • Methane, Radon and CO gas barrier in groundwork applications
INSTALLATION



  • Ensure the surface is clean, dry, and free from sharp objects or debris.
  • Lay a suitable compacted sand blinding or geotextile protection layer if required.
  • Unroll the Novia Methane Pro 390gsm carefully over the prepared surface.
  • Overlap adjoining sheets by a minimum of 150mm.
  • Ensure the membrane is laid flat without excessive wrinkles or creases.
  • Use Novia Double-Sided Butyl Tape between membrane overlaps to create a secure bond.
  • Apply Novia Single-Sided Foil Tape on the top surface of the joint for additional sealing.
  • Press firmly to ensure airtight and watertight adhesion.
  • Cut the membrane neatly around service penetrations, leaving a small overlap.
  • Seal all pipe or service penetrations using Novia Preformed Top Hats and Butyl Tape.
  • Ensure all edges are properly sealed to prevent gas ingress.
  • Inspect all joints, overlaps, and sealed areas for full compliance with regulations.
  • Protect the membrane from damage by installing a screed, insulation, or protective layer before further construction.
Note: This membrane is not suitable for applications where hydrostatic pressure is present.

CERTIFICATION


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