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, [...]
Interview with Bill Machemer, Technical Support at GreenLink
Time to change old habits and leave wood blocks off the roof. By Heidi J. Ellsworth, RCS Partner. I had the pleasure of visiting with Bill Machemer of GreenLink Engineering this month. It is always [...]
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 where [...]
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 [...]
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 back [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
