Fire Door Frame With Threshold

Special consideration should be given to threshold designs used in means of egress or in handicap accessible situations.

Fire door frame with threshold.

When speaking with manufacturers however a common statement is that a fire doors gap of up to 8 mm underneath the door is permissible. The practice of knocking up a door frame on site or in a workshop hanging a door and believing that the result constituted a valid fire door installation was never correct. Thresholds are rarely mandated by the codes and standards for fire doors or smoke doors but when they are used in these applications thresholds must be listed to ul 10c or nfpa 252. Suitable for inward or outward opening doors this frame provides an excellent colour match across the components compared to cheaper options.

When is a threshold or door bottom required for a fire door or a smoke door. For external front or back doors and door pairs. Simpson offers thousands of choices for fire rated doors including 20 minute fire rated wood doors and mdf doors with fire ratings up to 90 minute. Bs9999 2008 recommends for fire doors with cold smoke control that the threshold gap should be either less than 3mm in height or should be fitted with a threshold seal.

Door frames should be purchased from the door manufacture or from a company licensed to manufacture them or via a bwf approved fire door centre.