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.
Fire door threshold smoke seal.
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.
A range of versatile hardwearing door bottom seals that seal the gap between the bottom of the door the floor.
Easy access internal door threshold for all flooring types.
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.
The fire smoke seal has passed at bs476 part 22 and 31 1.
A door sweep or bottom seal is not a required.
Ideal for use in apartments schools hotels and public buildings where smoke seals draught excluders.
They can be surface mounted or concealed in a rebated groove at the bottom of the door leaf.
99 of ngp products are made in the usa and ngp s broad portfolio includes smoke seals automatic door bottoms thresholds fire rated vision kits fire and impact rated glazing fire rated continuous geared hinges.
Also available with 60 minute 20mm x 4mm fire smoke seal 04cp803 fs60.
Seals against smoke fire air sound and weather.
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.
The gaskets must be fire listed and approved for use in a smoke and draft control assembly.
Impervious to fungus and mildew.
Smoke gaskets on fire doors must meet smoke and draft control requirements.
The fire smoke seal can be removed and replaced.
Unaffected by sunlight ozone and ultraviolet rays.
Threshold fitted with a black 60 minute 20 x 4mm intumescent fire smoke seal nhbc type approved full details 4 7 out of 5 stars.
Use with a threshold plate for the optimum sealing solution.
Longest lasting commercial grade door seal.
The ul 1784 test standard states in order to obtain information on the extent of air leakage at the ungasketed bottom gap of a test sample an artificial seal.
A gasket is required to provide a seal where the door meets the stop at the top and on both sides.
When speaking with manufacturers however a common statement is that a fire doors gap of up to 8 mm underneath the door is permissible.
36x84 48x64 72x84 96x96 etc.
Read reviews for stormguard fs60 fire and smoke threshold 914mm aluminium.