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Protech GM PP


Protech GM PP is a loose - laid, geo - membrane that is mainly used as a waterproofing liner for attenuation tanks, balancing ponds, lagoons and reed beds. The membrane can also be used as a gas barrier to protect against Methane and Carbon Dioxide on sites with complex foundation arrangements where a greater degree of flexibility, combined with superior multi-dimensional stability, is required.

  • Relatively flexible and easy to lay
  • Full range of accessories to ensure that the membrane is gas tight
  • Smaller rolls available for reduced wastage on smaller schemes
  • Large rolls available for reduced installation times
  • Compatible with the Provoid Gas Venting System

Protech GM PP

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Related Products

Protech GM Super


Reinforced LDPE gas barrier incorporating aluminium foil. Protects against the ingress of Methane, Carbon Dioxide and Radon.



25mm geo-composite void former. Used with air inlets and outlets to dilute harmful gases and meet site requirements.

Protech GM Plus


Reinforced LDPE loose laid gas barrier that protects against the ingress of Methane, Carbon Dioxide and damp.

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  8:30am - 5pm, Mon - Fri

  01250 872 261

  01250 872 727


  A. Proctor Group Ltd., The Haugh, Blairgowrie, PH10 7ER



"As a roofing contractor specialising in the larger, more prestigious, type of project, we prefer to use only the highest quality products. Therefore we use Proctor Roofshield wherever possible; we have been using it for over 15 years, together with their condensation risk analyses and U-value calculations."

Mike Camilleri - Camilleri Roofing



Innovative Construction Products for Over 80 Years.