JL Industries TMW-1818CW 18 × 18 Fire-Rated Uninsulated Access Panel – 1½-Hour Ceiling, Concealed Flange, White Powder Coat

The JL Industries TMW-1818CW is a UL-classified 1½-hour fire-rated ceiling access panel designed for strength, reliability, and a clean architectural look. Its concealed flange creates a seamless ceiling appearance while maintaining code-compliant fire protection. Made of cold-rolled steel and finished with a durable white powder coat, this uninsulated panel offers long-lasting performance in commercial and institutional buildings.

Key Features

• UL “B-label” 1½-hour fire rating for ceiling assemblies
• 18″ × 18″ access opening
• Concealed flange for a flush ceiling finish
• Cold-rolled steel construction
• White powder coat finish, paintable if required

Model: TMW-1818CW (18″ × 18″)

Manufacturer: JL Industries / Activar Construction Products Group

Application: Ceiling fire-rated uninsulated access panel

Frame: 16-gauge cold-rolled steel with concealed flange

Door: 20-gauge cold-rolled steel

Insulation: None (uninsulated)

Hinge: Concealed continuous hinge, 180° swing

Closure: Spring-assisted cam latch, self-closing

Finish: White powder coat (paintable)

Clear Opening: approx. 18 ⅜″ × 18 ⅜″

Overall Frame Size: approx. 20″ × 20″

Depth: approx. 1½″

Fire Rating: UL “B-label” 1½-hour ceiling assemblies

UL Listings: ANSI/UL 10B, CAN/ULC-S104; ASTM E152 compliant

Weight: approx. 11 lb

Country of Origin: USA

• Confirm ceiling requires a UL 1½-hour fire-rated access panel.
• Cut ceiling opening to approx. 18 ⅜″ × 18 ⅜″.
• Insert panel flush with ceiling so the concealed flange is hidden.
• Secure frame to ceiling framing with screws.
• Confirm hinge allows full 180° door swing.
• Test latch to ensure proper self-closing.
• Paint panel if needed to match ceiling finish.

Q: What is the fire rating of the TMW-1818CW?
A: It is UL-classified for 1½-hour ceiling assemblies.

Q: Is this panel insulated?
A: No, it is uninsulated.

Q: What is the benefit of the concealed flange?
A: It creates a flush, seamless ceiling finish.

Q: Can this panel be installed in walls?
A: No, it is intended for ceiling use only.

Q: Does the latch automatically close?
A: Yes, the spring-assisted cam latch ensures self-closing operation.