Vent Smoke Out Of Roof

The picture was taken in chicago and that is the south end of the smoke vent.

Vent smoke out of roof.

For geometric smoke ventilation requirements our systems are fully tested and certified to en12101 2 on roof pitches between 15 90. This morning around 8 am i happened to notic there was a white smoke coming from the roof appeared to be coming from the a c vent but hard to tell. 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. I checked in the attic and there was no smoky smell or smoke.

Mounted on the roof smoke and heat vents are of two basic types. I don t know how long in the morning it was doing this or if it has happened on other days. The discoloration is a result of material deterioration due to age and uv exposure. 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.

My a c was not on at the time tho a c work fine. Melt out heat smoke vents. I had my roof replaced around 2 mos ago. Roof window and flashing are not included.

A 24 year old melt out type smoke vent. 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.