Spring 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 MoreSpecifications
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Every Custom Curb article tagged Specifications, newest first.
7-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 MoreRoof Curb DWG Files: Formats, Dimensions, and How to Request a Stamped Detail
What a roof curb DWG contains, which format to request (DWG, DXF, RFA or IFC), the eight elements to verify before submittal, and how to get a stamped detail.
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.
Read MoreFabricated Gravity Ventilators for Your Metal Roof: Custom Solutions to Meet Your Specifications
At Custom Curb Inc., we specialize in creating customized solutions to meet your specific needs. When it comes to ventilating your metal roof, our fabricated…
Read MoreFabricated custom curb to your metal roof curbs and specs
Benefits of a Fabricated Custom Curb for Your Metal Roof Why you need fabricated custom curbs for your metal roof If you have a metal roof, you face unique…
Read MoreNeed a custom solution?
No matter which type of metal roofing you have, we can fabricate to your exact needs. Get specifications, options and a fast quote.