FireKing® Model 630 / 631 / 634

When fire safety and structural protection are critical, facility managers turn to the Overhead Door FireKing® Model 630 / 631 / 634 Series. At Timbers-Kovar, we supply and service these commercial rolling steel fire doors, engineered to automatically close during a fire event to prevent the spread of flames and smoke across structural partitions.

Built for heavy industrial and commercial use, FireKing® doors offer UL and ULC fire-protection ratings up to 4 hours, ensuring your facility meets strict NFPA 80 codes while maintaining day-to-day operational security.

Available Models & Material Options

• FireKing® Model 630 (Galvanized Steel): Built from heavy-gauge galvanized steel slats coated with a factory-baked rust-inhibiting primer, offering dependable, cost-effective fire defense for standard interior and exterior openings.
• FireKing® Model 631 (Stainless Steel): Constructed from high-grade stainless steel with a #4 finish, ideal for corrosive, high-moisture, or sanitary environments like food processing plants and chemical facilities.
• FireKing® Model 634 (Extra-Large Openings): Engineered with heavy-duty structural steel guides and oversized torsion springs to accommodate large industrial wall openings up to 41’2” wide by 28’2” high.
• Curtain Slat Profiles: Available in standard flat slat or curved slat profiles, designed to optimize wind-load resistance and smooth coiling operation.