Ideal Tridon Group Blog.
Cush-A-Block® Rooftop Support Systems
Engineered for Real-World Rooftop Demands
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Rooftop installations demand more than basic support. Between mechanical loads, environmental exposure, and roof protection requirements, contractors and engineers need systems that are purpose-built for performance.
That’s where Wesanco-ZSI Cush-A-Block® Rooftop Support System Systems come in.
Designed to support HVAC equipment, pipe and conduit runs, solar racking, and rooftop walkways, Cush-A-Block systems combine durable bases with metal channel assemblies to create stable, roof-friendly support structures. Every solution is backed by Wesanco-ZSI’s in-house engineering capabilities, including custom layouts, load calculations, wind and seismic analysis, and detailed assembly drawings.
Whether your project calls for a standard configuration or a fully customized assembly, our team works directly with you to design rooftop supports that fit your exact application and installation requirements. All Cush-A-Block systems are built to help simplify installs while protecting roof surfaces and critical equipment.
Available standard series include CBM Mini, CBN, CBN-EX Extension, CBN-BR Bridge, CBN-DSFW Fixed Duct, and CBN-RB Raised Bridge, giving contractors flexible options for a wide range of rooftop challenges
Download the Cush-A-Block Rooftop Systems flyer to view standard assemblies, learn more about custom engineering capabilities, and see how Wesanco-ZSI can support your next rooftop project.

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