If your entrance seems off-balance or does not close properly, it may be in your best interest to contact a repair professional who can help in diagnosing the problem. It should operate smoothly and not independently glide up and down when half-closed. Keep an eye out for rot on the timber, especially if you live in an area where rain or humidity is common. Always ensure your entry point is properly sealed; especially in areas where the material may rub against hardware and cause the removal of paint, stain, or sealant. If your driveway collects water at the base of your parking lot entry, consider altering your drainage or the pitch of the entry to avoid having the bottom of the Roll up Garage Door sit in standing water as this can be a quick path to rot.