Vent Smoke Out Of Roof

Typically automatic vents are installed with curbs to protect them from the weather and to make them more visible to people walking on the roof photo a.

Vent smoke out of roof.

Full open position of vent is obtained within 5 minutes after initial exposure to 500f complies with ul standard 793 for automatically operated roof vents for smoke and heat. The picture was taken in chicago and that is the south end of the smoke vent. I don t know how long in the morning it was doing this or if it has happened on other days. Available with either glazed or solid covers vent smoke ventilators come in a wide range of shapes and sizes appropriate for various site requirements and to meet building regulation requirements of 1 0m2 or 1 5m2 free vent area.

Boca 99 sbcci 99 icbo 97 ibc ifc nfpa 204 m 98 requirements. These flat roof smoke ventilators open to 160 which exceeds the requirements of the new smoke vent standard bs. I checked in the attic and there was no smoky smell or smoke. I had my roof replaced around 2 mos ago.

My a c was not on at the time tho a c work fine. For aerodynamic smoke ventilation requirements our systems are fully tested and certified to en12101 2 on roof pitches between 15 90. Automatic mechanically operated and dropout. The discoloration is a result of material deterioration due to age and uv exposure.

Mounted on the roof smoke and heat vents are of two basic types. Roof window and flashing are not included. A 24 year old melt out type smoke vent.