Spring Isolation Curb Specifications: What Belongs in the Submittal?
The eight items a reviewer looks for in a spring isolation curb submittal, from stamped drawings to the weld map, and what AIA A201 asks of the GC first.
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Every Custom Curb article tagged Spring Isolation, newest first.
Spring Mount Roof Curbs on Data Center Builds: Where the Mounts Sit and Who Should Buy Them
Spring mounts sit between the base and upper curb, on the interior rail. Which mounts a data center roof needs, and why the GC should buy them with the curb.
Read MoreSpring Deflection Sizing: When to Use 1", 2", or 3" Mounts
Match static deflection to disturbing frequency with fn = 3.13/√δ: the RPM tiers, a worked example, VFD turndown, and sizing to the load at each mount.
Read MoreSpring Isolation vs. Rubber Isolation: Which One Belongs Under Your Rooftop HVAC?
Springs deflect inches, rubber pads a fraction of one. How deflection sets isolation efficiency, and which method belongs under a rooftop HVAC unit.
Read More7-Point Checklist for a Mission-Critical Roof Curb Spec
Weld type, material, pitch correction, isolation, attachment, submittal turnaround, lead time. What each item should say on a Tier-3 spec, and the red flag.
Read MoreData Center Roof Curbs: What a GC Should Ask Before Specifying One
The curb sits on the critical path between structure and HVAC set. The three curb types a data center build needs, and five questions to ask a supplier.
Read MoreHow to Spec a Roof Curb: 12 Phrases That Stop Substitution
Twelve copy-paste spec phrases for CSI Section 07 72 46, each tied to a named standard, that leave an “or equal” substitution request nothing to attach to.
Read MoreWhat Is a Spring Isolation Curb?
A two-piece roof curb that carries a rooftop HVAC unit on steel coil springs: how it differs from a standard curb, why RPM sets deflection, and when to spec it.
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