Features integrated industrial springs that absorb mechanical resonance, preventing rooftop vibrations from echoing into the building below.
My Account New Construction
CDI builds new construction curbs for any RTU, any brand, any project size — shipped in 1-4 days.
Straight Curbs
We engineer precise rooftop curbs to match the exact specs of your HVAC unit. Our extraordinary team saves you time and reduces risk to ensure your system performs at its best every single time.
Standard Features
- Fully welded, one piece construction provides water tight seams
- No field assembly
- Welds are treated with a zinc rich coating for protection against corrosion
- Gasket included
- Labels that include: Customer name, PO#, job tag, new and old model #s, supply and return opening locations, and lifting lug locations
- Insulation is mechanically fastened and glued
- Lifting lugs
Variations
Adapts to irregular or historic roof contours and cure-hardens under UV light into a rigid, permanent seal.
Ships flat-packed and assembles on-site in under ten minutes using basic tools — reducing freight costs significantly
Designed with contoured flashing flanges that interlock with trapezoidal standing seam panels.
A lightweight, high-rigid curb with an integrated debris guard built to handle high-velocity updrafts.
A high-density routing hub with pre-insulated, weatherproof port entries allowing refrigerant lines to pass through a single opening.
Lined with high-density absorption media and a baffle system that aggressively dampens compressor drone before it enters the ductwork.
Redirects airflow at a precise 90° angle for applications where vertical penetration isn't an option.
A dual-chambered curb designed to manage fresh air intake and stale exhaust within a single footprint.
Engineered with a variable-gradient base to keep your HVAC unit perfectly level on any roof pitch.
Why Buy?
- Fast Installation
- No Roof Warranty Void
- One Piece Construction
- Standard Drawings
- Customer Up & Running Fast
- Seamless Solution