KnuckleHeads and Hurricanes

Recently Green Link principals, Phil Georgeau, Founder, and Lisa Mulder, Technical Director traveled to San Juan, Puerto Rico to survey the destruction caused by Hurricane Maria, and to study how the use of the KnuckleHead support system could provide more stable rooftop installations in the face of future hurricanes. Hurricane Maria, which struck in [...]

By |2019-07-29T14:28:11+00:00July 2nd, 2019|HVAC, Knuckleheads, Nylon, Support, Uncategorized, Wind Uplift, Wood Blocks|Comments Off on KnuckleHeads and Hurricanes

How To: Build a Custom KnuckleHead Extension

FOUR STEPS TO MAKE A KnuckleHead EXTENSION* KnuckleHead Extensions should be used with our product to elevate equipment and pipes above the adjustable height range of a base model KnuckleHead.  Green Link provides extensions of 8, 12, and 18 inches. If you want to make your own size extension the following are the steps to [...]

By |2019-07-29T14:25:49+00:00May 17th, 2019|extension, HVAC, Knuckleheads, Roofing Materials, Support|Comments Off on How To: Build a Custom KnuckleHead Extension

Can a Simple Rooftop Support Be “Engineered”?

Can a Simple Rooftop Support Be “Engineered”?   Rooftop supports for pipes and HVAC equipment come in a variety of shapes and sizes, and, of course, prices.  Some feature a base made of recycled rubber and a metal top for supporting pipes or struts.  Some are simple one-piece units composed of molded plastic, some are [...]

By |2019-01-07T18:33:14+00:00January 3rd, 2019|Engineering, HVAC, Knuckleheads, Nylon, Roofing Materials, Support|Comments Off on Can a Simple Rooftop Support Be “Engineered”?

Installing KnuckleHeads: A Value Proposition

Is protecting a $55,000 roof job worth a few hundred dollars?   Recently, a building owner in Michigan contracted for a re-roof of his building.  A ten-man crew installed a PVC membrane to the roof.  Pipes and HVAC equipment, originally positioned on wood sleepers, were moved to allow for the installation.  Once the job was [...]

By |2018-10-24T13:56:06+00:00May 23rd, 2018|HVAC, Knuckleheads, Support, Wood Blocks|Comments Off on Installing KnuckleHeads: A Value Proposition

The KnuckleHead Solar Support System

The KnuckleHead Solar Support System There are two main types of solar mounting systems:  Mechanically attached or ballasted. KnuckleHeads by GREEN LINK, Inc. are mechanically attached. KnuckleHeads feature a simpler, integrated end-effective design that combines attachment and a solar-ready support head in one unit. Typical solar support products function strictly as attachment bases that [...]

By |2019-05-09T14:57:19+00:00December 29th, 2017|Solar, Support|Comments Off on The KnuckleHead Solar Support System

Correctly Placing HVAC Units on Commercial Rooftops

Correctly Placing HVAC Units on Commercial Rooftops   Rooftop units are an extremely common setup in HVAC systems for commercial buildings due to their ease of installation, good energy efficiency and ability to provide heating and cooling in one unit. Unfortunately, an improperly placed and installed packaged rooftop unit can lead to roof damage, including punctured membranes and sagging [...]

By |2019-05-09T15:00:43+00:00October 31st, 2017|HVAC, Knuckleheads, Support|Comments Off on Correctly Placing HVAC Units on Commercial Rooftops

Attachment and Wind Uplift

Attachment and Wind Uplift Failure to plan for wind uplift on rooftop equipment can lead to significant roof damage or even catastrophic failure.  High winds can impact solar installations as well as pipelines, especially when loaded on extensions. Mechanical Fastening The KnuckleHead System can be loose laid, but where wind uplift is a factor, [...]

By |2019-05-09T14:52:55+00:00October 3rd, 2017|Knuckleheads, Support, Wind Uplift|Comments Off on Attachment and Wind Uplift

Securing Rooftop Supports

Securing Rooftop Supports There is a wide range of rooftop supports available on the market.  A variety of products are designed to accommodate pipes, struts, pavers, and related equipment of all sizes.  Some of these are designed to be loose laid, which for many installations such as electrical conduit or pipelines is acceptable.  Loose laid [...]

By |2019-05-09T14:42:40+00:00August 18th, 2017|Knuckleheads, Roofing Materials, Support|Comments Off on Securing Rooftop Supports

Preventing Pipe and Duct Sag

It is not unusual for a contractor or building owner to climb up on a commercial roof and encounter sagging pipes and ducts.  The causes vary.  In some cases, the supports have deteriorated due to weather.  Wood sleepers are probably the most common type of support failure.  Over time, weather cycles will eventually cause the [...]

By |2019-05-09T14:45:06+00:00August 7th, 2017|Knuckleheads, Roofing Materials, Support|Comments Off on Preventing Pipe and Duct Sag