Knuckleheads
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 to the first days when pipes and equipment first began to be installed on roofs. It’s easy to see…
Read MoreCorrectly 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 that…
Read MoreAttachment 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, it…
Read MoreSecuring 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…
Read MorePreventing 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…
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