20 Minute Primed Flush Fire Rated Interior Door Slab Pre Machined Left & Right Reversible

Upgrade your interiors with Cosmaroma’s 20-Minute Primed Flush Fire Rated Interior Door Slab. Designed for safety and style, this smooth, flush door complements any contemporary interior while offering Intertek-certified fire resistance for peace of mind. Featuring 1 3/4″ thickness, pre-machined reversible swing, rabbeted 4 5/8″ insulated jambs, and UL-certified self-closing hinges, installation is fast and reliable. Ideal for knock-down or pre-hung flush door sets, this fire-rated slab blends functionality, safety, and elegance. Enhance your home renovation with a door that meets Canadian standards and is ready for immediate installation. Cosmaroma is proudly Canadian-owned and operated.