9x8 garage door rough opening

A garage door opener is one of those amenities that provide such tremendous utility that you will wonder how you ever survived without one. Model # WD9100RCHW98. Keller, TX, 76248, Plano TX Location: And if you are installing a 18 wide and 8 foot tall garage door, the rough opening will be 183 wide and 81.5 tall. I suggest you go through the entire article at least once before you start. //-->. When measuring garage doors the width is always given first followed by the height. Make the rough opening 3 wider than the garage door. Your email address will not be published.