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

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 is a high-performance polymer called Nylon 66.  Nylon 66 possesses properties that make it ideal for the conditions a rooftop [...]

By |2019-05-30T17:55:41+00:00January 31st, 2019|HVAC, Knuckleheads, Nylon, Roofing Materials|Comments Off on KnuckleHead Rooftop Supports: The Secret Ingredient

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”?

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 and RCS Editor. GREEN LINK Engineering’s Sales and Business Development Coordinator, Dana Castle, decided that was excited about attending the [...]

By |2019-01-03T19:49:33+00:00October 29th, 2018|HVAC, Knuckleheads, Roofing Materials|Comments Off on Another Reason to Love the Roofing Industry: Friendships are Born When You Least Expect it.

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 loose laid supports present a potential for problems down the road. Over time, equipment vibration and wind gusts can cause [...]

By |2018-10-25T19:35:19+00:00October 19th, 2018|HVAC, Knuckleheads, Roofing Materials|Comments Off on Rooftop Supports: What Do Adhesive/Sealants Bring to the Party?

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, conduit, HVAC/R units, solar arrays, etc. Yet between such equipment and the roof membrane is an area—an interface—where there is [...]

By |2018-07-30T18:06:27+00:00July 30th, 2018|HVAC, Knuckleheads, Roofing Materials|Comments Off on The Dead Zone: When rooftop supports aren’t specified

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