1 Plumbers' rates vary significantly by location. 2  In some areas plumbers charge $45 -$75 an hour; in other regions the hourly rate can be $75 -$150.
One of the more popular are the double roller low headroom top fixtures, also called quick close fixtures, quick closing fixtures and rapid flex brackets. For many decades these low headroom top fixtures have been used successfully on wood garage doors by lowering the top strut below the top fixture. Lowering the top strut on a steel garage door, however, compromises the section's integrity and has led to many damaged top sections. This tutorial offers one solution for installing low headroom double roller top fixtures without damaging the section. This will allow a door to operate with a headroom clearance between 9 and 12 inches. Â» DDM Home.
Standard Width Doors. Standard, single car garage door widths start at 8 feet for single car garages, and move up in 12-inch increments to 10 feet wide. Double car garage doors typically start at 12 feet wide, and move up in 24-inch increments to 18 feet wide.