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Rooftop Support System

 KnuckleHeads are a height-adjustable rooftop support system featuring a range of designs and extensions that protect roofs by keeping pipes, struts, HVAC equipment, solar arrays, ductwork, walkways, and cable trays elevated.

Custom Engineering

For Controlled Environments

ChemSeals are engineered to protect the sensitive conditions of controlled environments by preventing contamination from penetrations such as pipes and conduit. GREEN LINK also offers custom engineered solutions for other clean room needs such as HEPA filter gaskets.