Description
Geoworks GT Membrane 500 is a high-quality impermeable membrane designed for a wide range of waterproofing and containment applications. Manufactured from recycled materials, it provides a reliable barrier against water ingress and is commonly used in Sustainable Drainage Systems (SuDS), landscaping and light civil engineering projects.
The membrane is particularly well suited to small attenuation tank encapsulation, where it can be wrapped around modular storage crates to create a watertight system. It is also suitable for temporary waterproofing, damp proofing, garden ponds, ground covers and other lining applications.
For enhanced durability in attenuation tank installations, GT Membrane 500 should be used in conjunction with a 300gsm non-woven protection fleece, helping to protect the membrane from puncture during installation and backfilling.
Key Features
- 500-micron impermeable membrane
- Flexible and easy to install
- Ideal for small attenuation tank systems
- Suitable for SuDS and stormwater projects
- Manufactured from recycled materials
- Excellent biological resistance
- CE marked for quality assurance
- Compatible with membrane jointing tapes
- Can be used with protection fleece for additional durability
- Suitable for a wide range of waterproofing applications
Typical Applications
- Small attenuation tank encapsulation
- Sustainable Drainage Systems (SuDS)
- Damp proofing applications
- Garden ponds
- Waterproof lining projects
- Ground covers
- Raised bed liners
- Compost bin liners
- Kennel and pet enclosure liners
- Landscaping and civil engineering projects
Delivery Information
Typically dispatched within 2–3 working days, subject to stock availability.
Please ensure the delivery location is suitable for a large delivery vehicle where applicable and that appropriate offloading facilities are available. If you have restricted access or any special delivery requirements, please contact us before ordering.
Recommended Accessories
For complete membrane installations, consider pairing this product with:
- 300gsm Non-Woven Protection Fleece
- Double-Sided Butyl Jointing Tape
- Single-Sided Jointing Tape
- Top Hat Units for pipe penetrations
- 0.6mm HDPE Impermeable Geomembrane for higher-specification attenuation and containment projects
- Product: Geoworks GT Membrane 500
- Thickness: 500 micron (0.5mm nominal)
- Roll Width: 4m
- Roll Length: 12.5m
- Roll Area: 50m²
- Type: Impermeable membrane
- Flexible: Yes
- Typical Use: Waterproofing and attenuation tank lining
Delivery Information
Can GT Membrane 500 be used for attenuation tanks?
Yes. It is suitable for small attenuation tank encapsulation and other impermeable lining applications.
Do I need protection fleece?
For attenuation tank systems and installations where the membrane may be exposed to sharp surfaces or backfill materials, a 300gsm protection fleece is recommended.
Can the membrane be joined?
Yes. Overlaps should be sealed using appropriate membrane jointing tapes to create a reliable watertight barrier.
Is this the same as an HDPE geomembrane?
No. GT Membrane 500 is a flexible impermeable membrane designed for a range of waterproofing applications, whereas 0.6mm HDPE geomembranes are generally specified for more demanding engineered containment and attenuation projects.
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