Isolation Curbs
CPISO Curbs are engineered to support rooftop HVAC equipment while significantly reducing vibration transfer to the building structure. Designed for demanding applications, CPISO curbs help minimize noise, protect roof systems, and improve overall equipment performance.
Each CPISO curb is prefabricated for consistent quality and faster installation, making it an ideal solution when vibration control is critical.
Why Choose Curbs Plus Isolation Curbs?
✔ Vibration Isolation — Reduces vibration transfer to roof decks and building structures
✔ Noise Control — Helps limit mechanical noise in occupied spaces
✔ Roof System Protection — Minimizes movement that can damage roofing membranes
✔ Durable, Long-Lasting Design — Galvanized steel construction with reinforced framing
✔ Prefabricated Efficiency — Ships ready to install, reducing jobsite labor
✔ Easy to Specify — Clear drawings and specifications for submittals and approvals
CPISO Isolation Curb
Features:
Heavy-gauge G-90 galvanized steel construction
Fully welded, one-piece curb design for watertight performance
Factory-installed spring isolators, sized to equipment weight
Internal structural reinforcement for added rigidity
Pressure-treated wood nailer for secure equipment attachment
3″ cant height (standard)
Suitable for a wide range of rooftop HVAC applications
Typical Applications
Curbs Plus CPISO Spring Isolation Curbs are commonly used for:
Rooftop HVAC units
Air handling units (AHUs)
Mechanical equipment with vibration-sensitive installations
Commercial and industrial buildings
Noise-sensitive environments such as offices, hospitals, and schools
Designed for Performance & Reliability
CPISO Spring Isolation Curbs provide a dependable solution for projects requiring both structural support and vibration control. By combining reinforced steel construction with engineered spring isolators, CPISO curbs help extend equipment life while protecting the building below.