Firerated Slab Doors Firerated slab doors are fire-resistant door panels sold without frames, hardware, or pre-drilled holes—offering flexibility for custom installations. These doors are designed to help contain fire and smoke for a specified period, usually ranging from 20 to 90 minutes, meeting various building code requirements. Ideal for both residential and commercial applica... https://doorcart.ca/product-category/fire-rated-interior-doors/slab-fire-rated-doors/