Intertek testing warnock hersey sound tested astm e90.
Fire rated door threshold seal.
Recommended products are hss2000xs88 for beveled doors and hss2000xs44 for square edge doors.
Was set up in 1980 to produce automatic door drop down seals a crucial accessory for preventing those annoying draughts that get under the door.
Metal fire doors can attain ratings up to 3 hours where wood fire doors can be rated up to 90 minutes.
Not all doors in a commercial building need to be fire rated.
Fire rated ul10b negative pressure.
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.
Commercial fire rated door requirements are typically determined by the fire rating of the wall and use of the door.
D dark bronze anodized aluminum.
Fire rated ul10c positive pressure.
When a threshold is installed as a component of a fire door assembly it must be listed for that purpose.
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.
The fire smoke seal has passed at bs476 part 22 and 31 1 the fire smoke seal can be removed and replaced easy access internal door threshold for all flooring types ideal for use in apartments schools hotels and public buildings where smoke seals and draught excluders are required.
Category h gasketing smoke and draft control for positive pressure openings.
Ds186 ds187 high security astragals prime coated new weatherseal.
Fire rated edge seals ul10c.
A mill finish aluminum aluminum.
The fire smoke seal can be removed and replaced easy access internal door threshold for all flooring types ideal for use in apartments schools hotels and public buildings where smoke seals draught excluders and sound proofing is required seals gaps 12mm 13mm.
Automatic door drop down seals.
If this information is not available it seems reasonable to permit a gap of up to 8mm for general fire doors eg fd30.
Smoke tested ul1784.
The usefulness of the application and the state of the art technology applied made the product an immediate success.
If you have a requirement for cold smoke control eg fd30 s your threshold gap should be less than 3mm or you should fit a threshold smoke seal.
Ask your fire door manufacturer for their recommended threshold gap.