Powerbase Geosynthetic Liners

Powerbase Geosynthetic Liner

  • High-end pond and lake liners
  • Reinforced for tough tear resistance
  • Also available in rolls for joining on site
  • Prefabricated panels option for specified footprints
  Powerbase 1400 Powerbase 1000 Powerbase 400
1130gsm 670gsm 285gsm
Thickness 1.4mm 1.0mm 0.4mm
Tensile strength MD 1200N/50mm
XD 1200N/50mm
MD 1200N/50mm
XD 1200N/50mm
MD 1400N/50mm
XD 1300N/50mm
Colour Black Black Black/Brown
Standard size 3.05 x 100m 2.05 x 100m 2.0 x 100m



ISOQAR CertificatePowerbase Geosynthetic Liners are cast-extrusion, coated polyolefin polymers reinforced with woven yarns to provide tough tear resistant barrier materials for improved durability and performance.

Industrial Textiles & Plastics Ltd is quality assured and certified to ISO 9001.

Powerbase Geosynthetic Liners come with guarantees* for UV Stability Exposure (West Europe):

  • 10 years: Powerbase 1400 and Powerbase 1000
  • 5 years: Powerbase 400

ITP's Geomembranes Team provides technical support and customer-specific service. Contact them on +44(0)1347 825201 or email powerbase@itpltd.com.

*Guarantees apply to use in West Europe only. Refer to Legal Notices.



Geosynthetic  liners are used for ponds, lakes and water features, to retain water in a holding area. 


Powerbase Geosynthetic Membrane Liners are supplied as rolls for joining on site as standard. Customers' specific needs can be accommodated, with the option of specifying prefabricated panels to a unique project footprint.


  • Powerbase 1400: panels up to 2000m2
  • Powerbase 1000: panels up to 3000m2
  • Powerbase 400: panels up to 7000m2

Powerbase Geosynthetic Liners can be joined on site with hot-air/hot-wedge welding or taped with Powerbond Double-Sided Jointing Tape. It is important to note that the shelf life of self-adhesive products is limited: usually between 6 months and 1 year when protected from direct sunlight and ambient temperatures above 30°C.