Landfill Uses
Polyurethane Foam or PUF is a lightweight, inert and impervious material. PUF has a high Strength-to weight ratio and very good adhesive and tensile properties. It does not shrink or crack. PUF is very simple to use, requiring a minimum amount of equipment and training.
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LFG Well Seals
PUF has provided dependable LFG Well seals for over ten years. Whether you're constructing new wells or repairing failed bentonite seals, the EFS9.0B pour foam bag is a reliable choice. You won't need any extra equipment or additional steps. Because PUF expands in place, you'll use fewer bags, and installation requires less labor and equipment. Each EFS9B bag (expanded to 9 cubic feet) weighs only 22 pounds.
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"Pipe Killers"
The FoamPlug™, also known as the “Pipe Killer,” offers a simple and effective solution for abandoning LFG wells and leachate lines. Easy to use and adaptable to various situations, the FoamPlug™ comes in diameters from 3” to 16” to fit your needs. It provides the fastest method to prevent air intrusion from damaged or abandoned pipes.
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Air Sealing / Penetrations
When multiple penetrations occur on an LF, PUF provides a reliable solution. It is simple to use, convenient to transport, and delivers excellent results. PUF resists cracking, shrinking, and erosion. You can choose from several sizes ranging from 1 cuft to 9 cuft (expanded), with custom sizes also available.