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Home Building Materials Breathable Membranes Powerlon Powerbase Gas Barrier Membrane MultiGas 300 - 50m x 2m

Powerlon Powerbase Gas Barrier Membrane MultiGas 300 - 50m x 2m

Code:
GANS 2050G
Brand:
POWERLON

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The Powerbase MultiGas 300 is a robust and heavy-duty gas barrier membrane designed to provide a strong defence against methane, radon, and carbon dioxide. It consists of two layers of LDPE and a reinforced scrim, with a durable aluminium foil barrier layer in between. With a ...Read More

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Description

The Powerbase MultiGas 300 is a robust and heavy-duty gas barrier membrane designed to provide a strong defence against methane, radon, and carbon dioxide. It consists of two layers of LDPE and a reinforced scrim, with a durable aluminium foil barrier layer in between.

With a variety of geosynthetic barrier membranes, the Powerbase range protects against naturally occurring hazardous gases and soils that are laced with hydrocarbons or toxic industrial pollutants. Commonly used for installations related to groundwater and environmental protection, gas barriers are essential in areas where radon or methane gas are a risk - radon can occur in granite formations, while carbon dioxide and methane occurs due to the decomposition of organic matter like coal, peat, or silt.

Features & Benefits: Powerlon Powerbase Gas Barrier Membrane MultiGas 300 - 50m x 2m

  • Heavy-duty reinforced gas barrier membrane
  • Consists of aluminium foil barrier layer in two LDPE layers and reinforced scrim
  • Fends off radon, methane and carbon dioxide
  • Vapour Resistance of >25,000MNs/g
  • 270gsm grade
  • Permeation performance data: Methane 0.07 cm³/m²/day
  • Cost-effective and quick installations

To meet the diverse needs of consultants, design engineers, and contractors, the Powerbase range offers a comprehensive selection of task-specific engineered barriers and accompanying accessories. These solutions provide effective barrier options and ensure rapid, straightforward, and cost-effective installations.

Brownfield Site Developments and Contaminated Land Sites

  • For brownfield sites developments, including old industrial areas or contaminated land, it is crucial to have effective gas barriers in place to deter harmful gases, hydrocarbons, and volatile organic compounds (VOCs) that may permeate into buildings. An impermeable barrier is usually incorporated into the building's foundations, along with a highly permeable ventilation layer. Hazardous gases and VOCs can migrate upward through the soil and gather beneath the membrane in a sump, which is where they are carefully vented and then diffused into the environment.
  • The primary purpose of the gas barrier membrane is to avoid the entrance of harmful gases through cracks, construction joints, or service openings in the floor slab. It is essential that it covers the entire plan area, including all external faces, to effectively seal both the ground slab and any cavity walls or voids in hollow concrete blockwork. It is particularly important to consider sites infiltrated with hydrocarbons or VOCs, as these compounds are highly mobile and find it easy to migrate through membrane materials that are not suitable. While aluminium laminates allow for excellent gas barrier properties, they can delaminate when subject to hydrocarbon vapours or VOCs, and the aluminium layer is prone to oxidation if moisture penetrates exposed edges.

Dimensions

Length 50m Width 2000mm

Details

Product Type Membrane Permeability Air Tight Roll Size 100m2 Range Powerbase

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