A: Garage door companies supply a product designed specifically to address this problem called an adjustable bottom bar retainer. It is an aluminum U-shaped channel with a replaceable rubber gasket available in different wall heights and widths to cap the bottom of the existing garage door. It is installed with the garage door in a closed position to conform to the existing surface irregularities and secured with fasteners.

To locate some reputable garage door specialists to install an adjustable bottom bar retainer for you, visit Home Advisor, and enter a service request to be matched with the ideal service professional in your area.

-- Tips courtesy of HomeAdvisor.com