Geomembranes are extremely low permeability made of synthetic materials, also known as low leak rate liners.
Specification of dam liners
Geomembrane thickness is from: 0.3 mm, 0.5 mm, 0.8 mm,1 mm, and 1.5 mm
width of the liners is 5-10 meters
Length of the liners range from 50 m to 100 m
U.V stabilized and can last up to 30 years
Food grade and can be used for fish ponds and water storage.

|
Material |
HDPE LDPE LLDPE PVC PE |
Thickness |
0.1mm-4.0mm |
|
Type |
Smooth and Textured |
Color |
Black, Blue, Green, White or as Required |
|
Width |
1m-10m |
Application |
Landfill, Mining, Tailing, Agriculture, Aquaculture, Dam |
|
Length |
30m-150m/Roll or as Your Requirement |
Certification |
ISO, SGS, CTI, ROHS, CE |
|
Standard |
ASTM standard |
Life Span |
10-30 Years |
|
Main Feature |
UV Resistance /Anti-Seepage/Impermeable |
Delivery Time |
7-10 Days |
what are dam liners used for ?
Dam liners are used in the lining of fish ponds with 0.3 mm/0.5mm the most preferred
Underground water tank lining
water harvesting ponds for irrigation
Greenhouses gutters
Industrial application
HDPE Geomembrane Liner Applications

More Application of geomembranes
Landfill Caps
Canal Linings
Oilfield Pitliners
Mine Tailing Ponds
Decorative Ponds
Primary Containment
Vapor Retarder
Silage Cover
Wood Product Cover
Temporary Walls
Farm Ponds
Irrigation Reservoirs
Shrimp & Fish Ponds
Leachate Collection Ponds
Waste Water Ponds
Secondary Containment
Insulation Membranes
Fumigation Covers
Cargo Covers
Welding of the dam liner
Geomembrane lining systems require welding that should performed by qualified technicians.There are two primary welds that are commonly utilized in geomembrane installation:
1.Double hot wedge welding
2.Extrusion welding.
Double hot wedge welding is the preferred method and the most reliable.
● The surface area that will be welded should be free of debris or any foreign materials.
● If extrusion welding is used, oxidation must be removed by grinding and debris from grinding must be removed.
● Double welds are used frequently in order to create a channel of air between welds that facilitates testing.
● Trial welds are made on a regular basis.

How to install dam liner
Installing liner in a pond we have a slanting wall. This prevents the collapse of the wall after liner installation.
● The pond surface needs to be smooth and without any sharp protruding like rocks and sticks.
● Once the pond has been prepared the dam liner is measured about the pond verticle height, length, slant wall height, and width.
● The dam liner is then cut and welded according to the specification of the size of the pond.
● Note that when cutting the dam liner we must leave allowance for it to be tucked in the soil to avoid collapse of liner upon filling with water.
● The dam liner is then laid and the extension of 1-2 meters is then buried in a ditch that has been dug around the dam.

Contact Information
Taian City Ruiheng Building Materials Co., Ltd
Address: NO.3566 Longquan Road, Tai'an Hi-tech Zone, Shandong Province, China
Website: www.rhgeos.com
Email: lorna@rhgeos.com
Phone / Whatsapp / Wechat: 0086 187 6669 7769
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