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Visqueen Gas Vent Mat - 900mm x 50m x 25mmVisqueen Gas Vent Mat - 900mm x 50m x 25mm

Visqueen Gas Vent Mat – 900mm x 50m x 25mm

Brand: Visqueen
Product Code: RS024306
In Stock

Visqueen Gas Vent Mat is a geocomposite void former, designed to create a 25mm deep void beneath reinforced concrete ground floor slabs.. Visqueen Gas Vent Mat is 25mm thick and supplied in rolls 900mm x 50m.

£916.00 incl. VAT
£763.33 excl. VAT

Qty:

Visqueen Gas Vent Mat is a geocomposite void former comprising a cuspated high density polyethylene (HDPE) core bonded to a non-woven polypropylene geotextile filter membrane. Visqueen Gas Vent Mat is 25mm thick and supplied in rolls 900mm x 50m.

Visqueen Gas Vent Mat is designed to create a 25mm deep void beneath reinforced concrete ground floor slabs. Hazardous ground gases or volatile organic compounds (VOCs) are collected within the void and dispersed to atmosphere via a designed arrangement of Visqueen connectors and venting components, collectively managing and effectively diluting the collected gases.

Where high gas concentrations have been recorded the vent mat can be laid in a blanket format with the individual mats being butted together. Where the gas concentrations are low or where pressure relief is required the vent mat can be laid in a strip format with the mat being laid at predetermined spacings.

Features and benefits

  • Large format rolls – rapid installation
  • Less contaminated soil to be removed compared to pipe and gravel systems
  • System achieves between 0.5 and 1.5 points in accordance with BS8485:2015 + A1:2019
  • Range of system components – provides various methods of exhausting gases to atmosphere

Approvals and standards

  • Visqueen certified with Quality Management System ISO 9001:2015
  • Visqueen certified with Occupational Health and Safety System ISO 45001:2018
  • Visqueen certified with Environmental Management System ISO 14001:2015
Property Test Method Units Value
Width mm 900
Length m 50
Thickness BS EN ISO 9863-1 mm 25
Compressive strength BS EN ISO 25619-2 kN/m² 300
Roll weight kg 74
Roll diameter m 1.3
In-plane air flow capacity with soft/hard platens @ 20mm and 100kPa BS EN ISO 12958 l/m/s 155
Shear strength BS EN ISO 13426-2 kN 1

 

Please see our our Delivery policy page for full details of our delivery terms and conditions, including information on exclusions, geographical restrictions, third parties, and failed deliveries.

1. Delivery Timescales

We will endeavour to deliver all orders within 1-3 working days (subject to geographical restrictions). Please note, where delivery lead-times for individual orders may be subject to change, we will keep you informed directly by phone or email within 24 hours of your order being placed.

Deliveries will not be made on UK bank holidays, and in such cases will fall on the next working day.

Standard delivery hours are between 8am and 6pm, Monday to Friday. If you are not available to accept the delivery when it is attempted, then a failed delivery charge will be applied (see the Delivery page for full details)

2. Delivery Fee Structure:

All orders, excluding those containing products covered in section 3 below, will be subject to the below delivery fee structure:

  1. Total order weight is between 0kg and 10kg = £7.99 standard delivery fee
  2. Total order weight is between 10kg and 20kg = £12.99 standard delivery fee
  3. Total order weight is between 20kg and 75kg = £20 standard delivery fee
  4. Total order weight is 75kg and above = £60 large order delivery fee
  5. Total order value exceeds £500 (regardless of weight) = Free delivery

3. Exclusions

The delivery fees detailed above apply to all orders, excluding:

  1. Orders containing insulation will be charged at £65 per pallet (10 units per pallet). Please get in touch with us directly for pricing and ordering.
  2. Orders containing protection boards: A large order delivery fee of £60 will be applied.
  3. Orders containing membranes of two metres wide and above: The delivery fee will be calculated as a price per unit*.
Code Description Weight (kg) Delivery Fee Per Unit
Multiple All membrane products with a width of two metres and above Varied £20
M3 Newton CDM 508 Mesh 29.26 £25
M2 Newton CDM 508 eco Floor 41.3 £30
M4 Newton CDM 520 eco Floor 37.62 £40

*Please note that, for orders containing membranes of two metres wide and above:

  1. Once the total order weight exceeds 75kg then the £60 large order fee will automatically be applied
  2. Once the total order value exceeds £500 then the free delivery policy will automatically be applied

4. Geographical Areas

The above delivery fees apply to all postcodes in mainland England, Wales and Scotland.

For deliveries to Ireland, Northern Ireland, the Channel Islands, the Scottish Isles, and any international orders please get in touch with the BaseTec team directly by email or phone for a custom delivery price. Standard delivery timescales do not apply to these areas and will be advised on request.

Additional charges, including customs fees, duties, or taxes may apply for international orders.

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