Your Door Guy offers Republic Steel entry doors, including a complete line of standard and specialty hollow metal doors to fit your architectural needs.  Republic doors are available in 20, 18, 16, & 14 gauge cold rolled and galvanealed steel.  All doors come with a ¾” cell honeycomb core as standard, providing every door with a smoother, flatter, and stronger door.  Republic honeycomb doors are available in a complete range of fire ratings (20 minute up to 3 hours) and are certified under both Underwriters Laboratories and Warnock Hersey/ITS.  All doors are manufactured from stretcher level quality steel and are thoroughly cleaned and phosphatized inside and out offering excellent corrosion resistance and paint adhesion.

Optional Door Cores

• Polystyrene (Solid Core) - 1 lb density expanded polystyrene per ASTM 578 U-Factor of .13
• Polyurethane (Solid Core) - 2 lf density polyurethane per ASTM C591 U-Factor of .10
• Steel Stiffened - Vertical hat shaped stiffeners of 20, 18, and 16 gauge with mineral wool or fiberglass batting between stiffeners. Stiffeners are welded maximum of 6" apart and on 5" centers.
• Temperature Rise/Mineral Fiberboard - Mineral fiberboard capable of withstanding a maximum of 250° temperature rise in 30 minutes. U-Factor of .26