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.
Fire door threshold smoke seal.
National guard products based in memphis and founded in 1935 is a privately held life safety products company serving the commercial construction market.
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.
A gasket is required to provide a seal where the door meets the stop at the top and on both sides.
36x84 48x64 72x84 96x96 etc.
The gaskets must be fire listed and approved for use in a smoke and draft control assembly.
Longest lasting commercial grade door seal.
Unaffected by sunlight ozone and ultraviolet rays.
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.
A threshold plate seal particularly suited for outward opening broad butt hinged plant room and emergency exit doors.
Hss2000xs88 is furnished in three cut lengths equivalent to standard door dize dimensions i e.
Smoke gaskets on fire doors must meet smoke and draft control requirements.
Read reviews for stormguard fs60 fire and smoke threshold 914mm aluminium.
In this case the door requires a threshold seal to ensure it can withstand and protect against smoke and flames in the event of a fire.
When speaking with manufacturers however a common statement is that a fire doors gap of up to 8 mm underneath the door is permissible.
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.
Ideal for use in apartments schools hotels and public buildings where smoke seals draught excluders.
A door sweep or bottom seal is not a required.
Also available with 60 minute 20mm x 4mm fire smoke seal 04cp803 fs60.
When used in conjunction with rp93si and rp93si an excellent smoke and acoustic system is achieved.
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.
Impervious to fungus and mildew.
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.
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.
Easy access internal door threshold for all flooring types.
