Heat and Smoke Vents
Roof Online Staff
A fusible link (or “pop-up”) type smoke vent with fall protection. 
A 24-year-old melt-out type smoke vent. The discoloration is a result of material deterioration due to age and UV-exposure. The picture was taken in Chicago, and that is the south end of the smoke vent.
Related Pages
Useful Links for Heat and Smoke Vent Information
1. Building Codes: “Section 910 Smoke and Heat Removal” from the 2018 International Building Code. Available on the UpCodes website.
2. Technical: See this product data document for the technical characteristics of “pop-up” smoke vents at the Velux Solutions website. This is only an example and other products and brands may be different.
3. Technical: See this product data page for the technical characteristics of “melt-out” smoke vents at the Plasteco website (click on a specific model for more details). This is only an example and other products and brands may be different.
4. Manufacturers: See here for heat and smoke vent manufacturers.
