Field Patch Procedure & Repair Guide
Step-by-step guide on performing a field patch to keep your craft fully operational.

Commercial & military-grade sponsons, air collars and fendering systems for RHIBs — engineered and manufactured in Texas.

CPI Marine Air Collars are made of urethane-coated nylon or polyester fabric. The tubes are heat-welded, have double-taped seams and use solid PVC rope in the bolt rope strip. Attachment flaps and skirts with different rope diameters — or without rope — are available.

CPI Marine Air-Backed Foam is made of urethane-coated nylon or polyester fabric. Heat-welded, double-taped seams and solid boat-rubber rope strips deliver a fender that absorbs impact without compromise.
Every collar made to spec — fabric, color, geometry, valve layout.
Exact tolerances and repeatability across production runs.
U.S.-sourced materials & labor for defense and federal programs.
Field-ready repair kits, in-house refurbishment, dedicated tech specialists.
From defense agencies to commercial builders — the names that trust CPI Marine to keep their fleet operational.


















From first measurement to final delivery, our customers tell us the difference is obvious — fabric quality, fit, and a U.S.-based team that picks up the phone.
Step-by-step field-tested procedures from our service technicians. Watch them directly below to ensure your fleet stays on the water.
Step-by-step guide on performing a field patch to keep your craft fully operational.
Comprehensive walkthrough of our collar mounting and initial inflation process.










Tell us about your craft. A dedicated CPI Marine specialist will reach out within one business day with engineering and quote next steps.