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Provoid

 

 

Provoid Gas Venting System consists of a 25mm geo - composite 'void former' that can be laid under the entire floor slab or, in strips at pre-determined centres, to suit the gas regime on site. Provoid 25 has been extensively tested as part of the DETR 'Partners in Technology' Report. When installed with the Provoid range of air inlets and outlets (please contact us for site - specific details), it can dilute harmful gases down to the required design concentrations for your site.

  • Only 25mm thick which results in less contaminated spoil to be removed compared to a 'pipe and gravel' venting layer
  • Flexible and easy to lay
  • Large rolls available for reduced installation times
  • Full range of ancillary products to ensure that the required 'air changes per hour' are achieved
  • Compatible with the Protech GM range of Gas Membranes
provoid

Provoid Gas Venting System


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Support at every stage - from site investigation to validation

  • 1 Site Investigation

    Step-1Site Investigation Reports including Gas Monitoring Results. We can review these reports and advise routes for compliance.
  • 2 System Design

    gas-Protection-System-Design-930x550Full Ground Gas Protection System Design available. CIRIA, NHBC & Building Regulations compliant.
  • 3 Specification

    Step3Ease of specification with full NBS Plus specifications available for every product. Wide library of standard details with site specific details on request.
  • 4 Installation

    Telephone-Support-930x550-1We are linked to Specialist Installers who are qualified to NVQ Level 2 in Gas Membrane Installation as recommended in CIRIA C735.
  • 5 Validation

    Step-5We have close links with independent 3rd party validation professionals, ensuring your project complies with the relevant building regulations.

 




 

 

ground gas accessories

Our new Ground Gas Protection Accessories Brochure is now available. Download it for complete information on our range of Protech and Provoid Ground Gas accessories.

 

 



 

 

brownfields

Check our Building on Contaminated Land: VOC Barrier Membranes Webinar Page. Here you will find video replay, downloadable video, transcript & downloadable PDF transcript of our Webinar held at our head offices on the 3rd October 2017, hosted by our Managing Director, Keira Proctor, and presented by Aubrey Machin.

 

 


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Contact Us

  8:30am - 5pm, Mon - Fri

  01250 872 261

  01250 872 727

  

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

 

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