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.

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MetalHeads are Green Link Engineering’s latest patent pending, innovative support system.  An all aluminum body cast in triangular form provides excellent support for all rooftop equipment.

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KnuckleHead Mechanical Support Kits are a fully adjustable, single source, time saving solution for supporting and elevating mechanical units.

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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.

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