Size Measurement Guide: What Every Homeowner Should Know
2024-01-05 6 min read Garage Door Salem Team
The Importance of Accurate Garage Door Measurements
When it comes to replacing your garage door, accurate measurements are absolutely critical. An improperly sized door can result in installation delays, additional costs, and even safety hazards. This guide will walk you through the proper techniques for measuring your garage door opening, ensuring you get the perfect fit.
Before You Begin
Gather the following tools: - Tape measure (at least 25 feet) - Step ladder - Pen and paper or smartphone for notes - Level (optional but helpful) - Flashlight (for inspecting corners and tracks)
Step 1: Measure the Opening Width
Measure the width of the opening at the widest point, typically at floor level. Standard single garage doors are usually 8, 9, or 10 feet wide, while double doors are commonly 16 or 18 feet wide.
Pro Tip: Take three measurements—at the top, middle, and bottom of the opening. If they differ, use the smallest measurement for ordering your new door.
Step 2: Measure the Opening Height
Measure from the floor to the top of the opening (the header). Standard heights are 7 or 8 feet, though custom heights are available. Again, measure at multiple points (left side, center, right side) and use the smallest measurement.
Step 3: Check for Square
A garage opening that isn't square can cause operational problems. Use a level to check if the sides are plumb (vertical) and the header is level (horizontal). Note any variations for your installation technician.
Step 4: Measure Side Room
Side room is the space between the edge of the opening and the nearest wall or obstruction on each side. You'll need at least 3.75 inches on each side for standard track installation, though some systems require more.
Step 5: Measure Headroom
Headroom is the distance from the top of the door opening to the ceiling or any obstruction above. Standard torsion spring systems require 12-15 inches of headroom. Low-headroom solutions are available if space is limited.
Step 6: Measure Backroom
Backroom is the depth of the garage from the door opening to the back wall. Your door, when open, will need to fit within this space. The backroom should equal the door height plus at least 18 inches.
Special Considerations
Existing Door Dimensions: If you're replacing an existing door, measure the door itself as well as the opening. Sometimes doors are sized slightly smaller than the opening.
Track Configuration: Note whether you have standard, low-headroom, or high-lift tracks. This affects what type of replacement door you can install.
Opener Compatibility: If keeping your existing opener, measure the distance from the header to the ceiling to ensure the new door works with your current setup.
Common Measurement Mistakes to Avoid
1. Measuring Only Once: Always double-check measurements 2. Ignoring Obstructions: Don't forget about lights, shelving, or pipes 3. Measuring the Old Door: The opening size is what matters 4. Forgetting About Vehicles: Ensure your tallest vehicle will still fit with the new door
When to Call a Professional
While taking basic measurements is straightforward, having a professional verify your measurements is always recommended. At ${BUSINESS.name}, we offer free on-site measurements and consultations. Our technicians can identify potential issues and recommend the best door options for your specific situation.
Call ${BUSINESS.phoneFormatted} to schedule your free measurement appointment today.