Attachment: The KnuckleHead Base and the Rooftop “Junkyard.”
In a perfect world, low-slope roofs would have nothing on them. This was the opinion of the NRCA in 1990. Since then, the proliferation of rooftop equipment and utility lines such as gas pipes [...]
KnuckleHeads Prevent Split Tip-overs in High Winds
KnuckleHeads Prevent Split Tip-overs in High Winds Roof-mounted heat pump splits are often attached to 4’ X 4’ treated wood beams, which are loose laid on the roof membrane. While this has been common practice [...]
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 [...]
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 [...]
KnuckleHead Rooftop Supports: The Secret Ingredient
KnuckleHead Rooftop Supports: The Secret Ingredient The KnuckleHead support has been carefully engineered and features a distinct design. But there is something else unique about it: the material from which it is made. That material [...]
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 [...]
Another Reason to Love the Roofing Industry: Friendships are Born When You Least Expect it.
Dana Castle didn’t know what to expect from her trip to the National Women in Roofing Day, but she sure didn’t expect this! An article posted on Rooferscoffeeshop.com By Karen L. Edwards, NWIR Communications Chair [...]
Rooftop Supports: What Do Adhesive/Sealants Bring to the Party?
Rooftop Supports: What Do Adhesive/Sealants Bring to the Party? Many, if not most, rooftop supports are loose laid. This makes for easy installation of pipelines, air conditioning units, conduit and other rooftop equipment, but [...]
The Dead Zone: When rooftop supports aren’t specified
Because rooftop supports aren’t typically specified, they are often improvised. A well-constructed commercial or industrial building must meet a host of specifications. The roof is no exception, and neither is rooftop mounted equipment, including pipes, [...]
Elevating and Leveling Rooftop-Mounted Equipment
Elevating and leveling roof-installed pipelines and HVAC equipment are more important than may appear at first glance. There are two issues: First, pipes, equipment or electrical conduit need to be elevated to a point [...]
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. [...]
No Sleepers on the Job
Why Wood Sleepers Are on their Way Out The use of wood sleepers to provide rooftop support for HVAC equipment, pipes, and conduit has been a standard procedure for many years—the method goes way [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
