Routine Dryer Vent Maintenance Can Prevent Fires

Dryer and Venting Safety Standards

Two voluntary sets of standards exist for dryer venting. For electric dryers, it is Underwriters Laboratories UL 2158. For gas dryers, the voluntary standard is ANSI Z21.5.1 (CGA 7.1). With these standards, rigid and semi-rigid metal vent pipes are the accepted ways to vent the dryer.

Although metal pipe was always the preferred method of venting, almost everyone remembers the flexible white plastic dryer vent hose kit sold in hardware stores. As it turns out, these combustible white plastic hose kits are deadly when improperly used as dryer venting, and are the reason for many dryer vent fires. However, until recently they were still commonly used as dryer venting, and many homes still vent their dryers using this dangerous product.

Read More: https://www.thespruce.com/dryer-vent-safety-1824762