Geomembranes Polyethylene (GT 500) and HDPE
by Geoworks
Geoworks supplies a robust range of geomembranes designed for containment, protection, and environmental security across civil engineering, construction, and water management projects.
GT Membrane 500 is a high-quality polyethylene liner designed for reliable containment in applications such as ponds, lagoons, and attenuation tanks. With a density of ≥940 kg/m³, it offers strong chemical resistance and durability against puncture and tear. Its flexibility allows for easy installation, particularly in confined or irregularly shaped areas, ensuring an effective barrier against fluid migration. GT Membrane 500 provides long-term performance for smaller to medium scale containment projects, balancing strength with ease of handling.
HDPE Geomembranes are engineered for larger-scale and heavy-duty containment needs. Manufactured from high-density polyethylene (HDPE), they provide exceptional chemical, UV, and abrasion resistance, making them suitable for landfill lining, reservoir construction, SuDS ponds, and industrial applications. HDPE geomembranes maintain integrity under challenging site conditions and have a proven service life extending over decades. Their strength and resistance to stress cracking ensure consistent protection against leakage and environmental contamination.
Both GT Membrane 500 and HDPE geomembranes play an important role in Sustainable Drainage Systems (SuDS) by acting as impermeable barriers that support water quality protection, flood risk management, and the safe storage of surface water.
Geoworks offers full technical support, from product selection to installation guidance, helping specifiers and contractors deliver safe, efficient, and sustainable containment solutions.
Specification Details for Geomembranes Polyethylene (GT 500) and HDPE (Geomembranes)
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Geoworks is consulted before specifying.
Technical
Size & Weight
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| Length (?) | 12500 mm | |
| Thickness (?) | 0.5 mm | |
| Weight per m2 (?) | 0.465 Kg/m2 | |
| Width (?) | 4000 mm | |
Other
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| Uniclass (?) | Pr_15_57_30 Geomembranes | |
File Downloads for Geomembranes Polyethylene (GT 500) and HDPE
GT Membrane 500 is typically used for ponds, lagoons, and attenuation tanks where flexibility and ease of installation are important. HDPE geomembranes are suited to larger, heavy-duty applications such as landfills, reservoirs, SuDS ponds, and industrial containment.
Both products act as impermeable barriers, preventing fluid migration into surrounding soils and groundwater. This helps manage surface water safely, reduces flood risk, and protects water quality in line with SuDS principles.
GT Membrane 500 is lightweight, flexible, and easier to handle on smaller or irregularly shaped sites. HDPE geomembranes are more rigid, offering higher strength, UV resistance, and long-term durability for demanding environments.
Both are resistant to puncture, tear, and a wide range of chemicals. HDPE geomembranes are especially known for their long service life, with proven performance in harsh environments over decades.
Yes. Geoworks offers full technical support, including product-specific guidance, installation manuals, and on-site advice where required, to ensure correct specification and long-term performance.
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