Garage Door Maintenance: Tips and Tricks for a Quieter Door.

WD-40 is not recommended for lubricating garage doors as it is not a lubricant and can damage the powder-coat finish and nylon rollers. Garage doors need occasional lubrication to keep them opening and closing smoothly, and there are many products available that work much better than WD-40, such as 3-in-1 Professional Garage Door Lubricant and Blaster Silicone Garage Door Lubricant.