Fire Door Threshold Seal

The reason for this is that in a fire affecting an elevator hoistway the neutral pressure plane would not necessarily fall at 40 inches above the bottom of the door so we can t assume that a door bottom seal is not needed.

Fire door threshold seal. A combination fire smoke sealing gasketing product pemko hss2000xs88 is the longest lasting commercial grade door seal. We also have a selection of adjustable door sills. Made from high temperature silicone. Fs60 fire and smoke threshold 60 minute suitable for internal inward and outward opening doors 04cp803 available in contract packaging only easy access for light wheeled traffic fitted with black 60 minute 20mm x 4mm fire smoke seal nhbc type approved also available with 30 minute 10mm x 4mm fire smoke seal 04cp802 fs30 the fire smoke seal has passed at bs476 part 22 and 31 1 the fire.

Thresholds are not typically required by the codes and standards for fire door assemblies although there may be a need. We stock door weatherstrip products for use in both commercial and residential exterior openings and fire rated commercial opening. If a fire door has a gap of 5mm along the bottom its integrity is compromised and it allows fire and smoke to pass through and spread. Available in gray and black vinyl.

Prevent the integrity of a fire door being compromised. Our weatherstripping products include door bottoms door thresholds door sweeps weatherstripping perimeter gasketing smokeseal weatherstrip and door seals. 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. Seal replacements are a simple and inexpensive way to restore old and ineffective seals on door hardware.

The products below are for maintaining fire door integrity. When speaking with manufacturers however a common statement is that a fire doors gap of up to 8 mm underneath the door is permissible. Astroflame s passive fire protection products such as intumescent fire seals telescopic letterboxes fire grilles glazing tape door viewer fire door hinges etc.