Dorgard Fire Door Retainer is made of ABS plastic with EN7 power size. It is a wireless fire door retainer which allows you to keep your fire doors open. The Dorgard enables the door to automatically close on the sound of the alarm. A closed fire door prevents the spread of fire. Includes floor plate bump stop and floor plate flush.

• · Timed daily release
• · Closed fire door prevents the spread of fire
• · Hold open at any angle
• · ABS plastic Case
• · Designed for use in areas with slippery floors