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Geomembrane Liner Installation

Sean Carr Lining are leaders in Geomembrane Installation. Geomembrane lining systems have been installed for over 50 years. These lining systems are a practical means to prevent pollutants from contaminating water sources, especially as environmental concerns become more main stream. Geomembranes are a type of synthetic material that is comprised of impermeable membranes. In essence, a geomembrane liner is a synthetic hydraulic barrier. These systems can be utilized to contain hazardous waste by-products, control odours, collect gas, preserve potable water sources, grow food in aquaculture applications, waterproof dam faces and control effluents. The benefits of using geomembrane lining systems are vast.

There are various types of geomembrane materials, each with its own set of unique characteristics. The following are some of the most commonly used geomembrane linings:

Linear Low-Density Polyethylene (LLDPE).
LLDPE is a linear polymer featuring increased tensile strength and puncture resistance than its predecessor low density polyethylene (LDPE). LLDPE geomembranes tend to be incredibly flexible and stretches when introduced to stress. It is also very resistant to chemicals.

High-Density Polyethylene (HDPE)
Perhaps the most commonly used geomembrane liner, HDPE is both widely available and generally the least expensive. HDPE liners have excellent resistance to ozone and ultraviolet spectrum radiation, as well as notable chemical resistance. Typically, HDPE liners are utilized in landfills and mining operations.

Flexible Polypropylene (FPP)
FPP geomembranes are costlier to install than polyethylene-based liners, but it has a better reputation for being more flexible and has better crack resistance than HDPE. These linings are easier to install and repair after aging.

Ethyl Vinyl Acetate (EVA)
EVA is three times as flexible as LDPE and can withstand temperatures of 96°C. The material is known to be a good barrier, can withstand low temperatures, good stress resistance, waterproof and resistant to ultraviolet radiation.

To find out more, or to discuss which geomembrane lining would suit your particular needs please give us a call, where a member of our team would be happy to help.

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