Door Seals

Paint booth door seals are one of the most overlooked maintenance items in spray booth operations — and one of the most consequential when they fail. A worn, compressed, or cracked door seal allows unfiltered shop air to enter the booth at the door perimeter. At floor level, where dust concentration is highest, even a small gap creates a direct contamination path into the spray zone every time the booth runs. Door seals also maintain the pressure differential that keeps overspray contained inside the booth rather than escaping into the shop environment.

Products we carry

• Garmat Door Seal — Narrow (10ft) — Pre-adhesive rubber gasket designed for Garmat spray booth doors. Maintains a consistent airtight seal around the door perimeter to prevent contamination and pressure loss.
• GFS Door Seal (10ft) — Foam-style door seal for Global Finishing Solutions booth doors and compatible Blowtherm post-2007 configurations. Available in 10-foot lengths.
• Blowtherm Door Seal — Pre-2007 Models (10ft) — Foam-style seal sized for Blowtherm booths manufactured before 2007. A different cross-section profile from later models — measure your existing seal or identify your booth year before ordering.
• Neoprene Rubber Door Sweep Strip (10ft) — Flexible 1/4-inch neoprene strip that seals the floor-level gap at the bottom of booth doors. Available in 4-inch and 8-inch widths. Compatible with Garmat, GFS, Blowtherm, Binks, Eagle, DeVilbiss, and most other booth brands. The most common source of unfiltered air ingress in older booths.

How to know when door seals need replacing

Check door seals during routine filter changes. A seal that is compressed flat no longer creates a positive contact seal against the door frame. Visible gaps, cracking, or brittle texture are also indicators. If you can see daylight around the door perimeter when the booth is closed, the seal needs to be replaced immediately. For the door sweep specifically, contamination on finished vehicles that correlates with floor-level dust is a reliable indicator that the bottom gap is not properly sealed.