Garage door reversal safety test December 15, 2011 by admin A roll of carpet is place under the garage door for safety test after new installation. When the door hit the carpet, if should reverse automatically within 1 second <noscript><iframe loading="lazy" src="https://www.youtube.com/embed/WXWjgwJ1yF4" frameborder="0" width="500px" height="300px"></noscript>
