They remove vibration from the garage door opener.
Garage door isolator.
It s not a tough job though.
A rigid foamed plastic with resilient closed cells.
The garage door opener noise reduction kit stops the vibrations from going to room above.
The garage door silencer provides sound isolation when a garage door opens or closes.
It s made with modified expanded polystyrene.
I also added extra vibration isolation on the garage door opener bracing where it meets the ceiling using rubber cork anti isolation pads.
Product testing information product specs installation instructions.
It works with all overhead types of garage door opener that are bolted to support brackets.
Be forewarned that you will have to space your braces to accommodate the space differential.
For great long term performance select the garage door insulation kit from cellofoam north america inc.
That reduces energy loss along the insulated walls and ceiling.