LLDPE Pond Liners, Pond Liner Installation Guidelines
GEOFlex LLDPE GEOMEMBRANE LINERS
20,30,40,60 Mil Installation Guide

ADDITIONAL INSTALLATION GUIDELINE W/PICTURES

1. Handling and Storage:

A. GEOFlex LLDPE Geomembrane Liner panels are shipped in palletized boxes which are inspected before leaving the factory. Any visible damage to the shipment should be noted on the freight receipt and project records.

B. GEOFlex LLDPE Geomembrane Liners should remain packaged in dry storage until ready for use. Direct sunlight should be avoided for prolonged periods before use.

C. The pallets should not be stacked.

2. Panel Placement and Seaming:

A. The area to be lined should be smooth and free of sharp objects that could puncture the membrane. All vegetation, roots and grass should be removed. Any cracks or voids should be filled.

B. The panels should not be unfolded under extreme cold or windy conditions.

C. Care must be taken when the GEOFlex LLDPE panels are deployed. Sharp objects, hard bottom shoes, vehicles and equipment should not come into contact with the material.

D. The GEOFlex LLDPE liner should be placed in a relaxed condition, free of stress or tension. The panels should be positioned so that there is a nominal 4-inch seam overlap.

E. The contact surfaces of the two sheets should be wiped clean to remove all dirt, dust, moisture or other foreign materials.

3. Field seams can be made by thermal fusion:

A. Thermal fusion bonding - The welding machine should be set up to the predetermined temperature and speed. A trial seam should then be made and tested to verify these settings. The machine settings should be adjusted accordingly. Throughout the seaming operation occasional adjustments of temperature or speed as the result of changing ambient conditions may be necessary to maintain a consistent seam.

4. Repairs to Liner:

A. Any cuts, rips or tears in the GEOFlex LLDPE Geomembrane Liner should be patched with a piece of the same membrane material.  Patches should be cut with rounded corners and should overlap the damaged area a minimum of 3 inches.

B. Patches can be applied with a hand held heat gun. The patch and damaged membrane area should be clean and dry.  The heat gun should be inserted between the patch and the membrane liner, heating the surfaces of each to a molten state. Steel roller pressure over a hard surface should be applied during the heating process in such a way as to smooth out any wrinkles while mating both surfaces.

ADDITIONAL INSTALLATION GUIDELINE W/PICTURES

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