Fire door stop system
OwnerCharles A. Noble, IIIinventor
Life of this patent
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Abstract
A fire door stop system for retrofitting a fire door assembly so as to bring the assembly into compliance with fire safety codes. The fire door stop system has a profile strip includes at least one flange and intumescent seal that is attachable to a fire door frame. The fire door stop system further includes, as needed, edge protectors for a wood fire door, such as a horizontal edge protector, a vertical edge protector, and a bottom-edge extender, and a latch protector.
Claims19
A fire door stop system used with a fire door assembly that includes a fire door and a fire door frame having a soffit that forms an overlap surface between the fire door and the fire door frame, the fire door stop system configured to remedy non-compliant clearances between the fire door and fire door frame that are not compliant with fire safety standards comprising:
- a profile strip that is configured to be fastenable to the soffit;
- and
- a first seal consisting of an intumescent material sealer to form a first intumescent seal;
- wherein the profile strip has a first flange that, when fastened to the soffit, extends outward from the soffit so as to form an extended overlap surface between the fire door and the fire door frame, the first flange having a first face surface that faces the fire door;
- and
- wherein the first intumescent seal is affixed to the first face surface of the first flange so as to forma first seal against the fire door under non-fire conditions when the fire door is closed.
Dependencies are inferred from the claim text.