Fire Rated Door Threshold Seal

Smoke tested ul1784.

Fire rated door threshold seal.

Category h gasketing smoke and draft control for positive pressure openings. Not all doors in a commercial building need to be fire rated. Fire rated ul10b negative pressure. Commercial fire rated door requirements are typically determined by the fire rating of the wall and use of the door.

When a threshold is installed as a component of a fire door assembly it must be listed for that purpose. In locations where a door bottom or sweep is required to meet the limitations of ul 1784 without an artificial bottom seal installing a threshold provides a surface for these products to seal against. D dark bronze anodized aluminum. 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.

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. Add pemkote option to add a thermally infused anti skid coating to the threshold. A mill finish aluminum aluminum. 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.

Fire rated ul10c positive pressure. Recommended products are hss2000xs88 for beveled doors and hss2000xs44 for square edge doors. If this information is not available it seems reasonable to permit a gap of up to 8mm for general fire doors eg fd30. Metal fire doors can attain ratings up to 3 hours where wood fire doors can be rated up to 90 minutes.

Ask your fire door manufacturer for their recommended threshold gap. Automatic door drop down seals. The usefulness of the application and the state of the art technology applied made the product an immediate success. Fire rated edge seals ul10c.

Dss11 dss22 dss66 dss77 silicone adhesive backed fire rated gastets new astragals. 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. Ds186 ds187 high security astragals prime coated new weatherseal.