Torsion Spring Size & Chart

Torsion springs counterbalance the weight of a garage door so it opens and closes smoothly and safely. Choosing the correct spring size is critical for performance, safety, and durability. The wrong spring can cause poor balance, opener damage, premature failure, unsafe operation, and extra wear on components. Local Garage Door Repair provides professional spring sizing, repair, and replacement for homes and businesses in Banning.

How Torsion Springs Are Sized

Torsion springs are specified by several measurements:

• Wire size — the thickness of the spring wire.
• Inside diameter (ID) — the inside width of the spring.
• Length — the total length of the relaxed spring.
• Wind direction — left-wind or right-wind.
• Door weight — determines the spring size required.
• Door height — affects tension and cycle requirements.

Common Residential Torsion Spring Sizes

These are general examples for typical residential doors. Actual sizing depends on the measured door weight, drum size, and cable drum radius.

Torsion Spring Wire-Size Color Codes

Many springs use a painted color on the winding cone to indicate wire size. Color coding varies by manufacturer, so always confirm the actual wire size by measuring.

Left-Wind vs. Right-Wind Springs

Most torsion systems use one left-wind spring and one right-wind spring.

• Left-wind spring — mounted on the right side of the center bracket; the wound end points clockwise.
• Right-wind spring — mounted on the left side of the center bracket; the wound end points counterclockwise.

Correct spring orientation is critical for safe operation.

How to Measure a Torsion Spring

1. Measure wire size. Measure across 20 coils and divide by 20. Example: 20 coils measure 5 inches, so 5 ÷ 20 = .250 wire size.
2. Measure inside diameter. The ID is often stamped on the winding cone. Common IDs: 1.75", 2.00", and 2.25".
3. Measure length. Measure the relaxed spring, excluding the cones.
4. Identify wind direction. Determine whether the spring is left-wind or right-wind.

High-Cycle Springs

High-cycle springs are built for frequently used doors, offering a longer lifespan, reduced maintenance, better long-term value, and improved durability — ideal for large households, commercial buildings, attached garages, and high-traffic doors.

Signs You Need Spring Replacement

• A loud snapping or banging noise
• The door feels heavy
• Uneven opening
• The opener struggles
• A visible spring gap
• The door slams shut
• Crooked movement

What Affects the Cost

Spring replacement cost depends on the spring size, door weight, and configuration. Your technician measures the door on site and gives you the exact price up front — estimates are free.

• Wire size, length, and inside diameter needed
• Single spring vs. matched pair
• Standard vs. high-cycle springs
• Residential vs. commercial door
• Emergency or same-day service

Contact Local Garage Door Repair

From spring sizing and balancing to complete torsion system replacement, our team gets it right the first time.

Call Local Garage Door Repair at (951) 257-9813 for torsion spring service in Banning.