I cannot find any exemptions or special rules for where a clothes dryer exhaust duct penetrates a fire rated assembly. I assume a fire damper would be required at this location.
However, the installation of a damper in this duct would 1) cause lint buildup, and 2) the fusible link may not be compatible with the heat generated by the dryer.
I believe American codes exempt fire dampers from dryer ducts for these reasons.
Any comments or experiences to share?
However, the installation of a damper in this duct would 1) cause lint buildup, and 2) the fusible link may not be compatible with the heat generated by the dryer.
I believe American codes exempt fire dampers from dryer ducts for these reasons.
Any comments or experiences to share?