What Size Garage Door Springs Do I Need - Web similar to torsion springs, extension springs must not be expanded during measurement. 9' wide x 7' high flush wood, insulated steel or aluminum. Web 8' wide x 7 wood panel or insulated fiberglass.
9' wide x 7' high flush wood, insulated steel or aluminum. Web similar to torsion springs, extension springs must not be expanded during measurement. Web 8' wide x 7 wood panel or insulated fiberglass.