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SAME-DAY SPRING REPAIR  ·  Correct Specification · Balance Test Every Job  ·  Guaranteed
Garage Door Spring Repair · Katy, TX

Garage Door Spring Repair in Katy, TX —
Same-Day Service Available.

Correct specification. Professional winding bars. Balance test before the opener is reconnected. Every spring repair guaranteed in Katy. Do not run the opener after a spring snap in Katy, TX.

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Professional Garage Door Spring Repair

Professional Garage Door Spring Repair in Katy, TX

The door feels heavier than it used to when you lift it manually in Katy — the spring is losing tension and the door weight is progressively shifting to the opener, the cables, and your effort in Katy, TX. The opener strains audibly and the door moves more slowly than it should in Katy — the spring isn't providing its full counterbalancing force and the opener is compensating with every cycle in Katy, TX. Or a spring snapped — you heard the bang and the door won't move in Katy. Call Herlihy Garage Doors now for same-day spring repair throughout Katy, TX in Katy. Do not run the opener and do not attempt to manually lift the door after a spring snap in Katy, TX.

Garage door spring work is the most safety-critical service in the garage door industry for a specific reason in Katy. A residential torsion spring stores several hundred foot-pounds of rotational energy when wound to operating tension in Katy, TX. That energy is released in a controlled way when the door opens through the spring's correct unwinding in Katy. It releases in an uncontrolled way when a tool slips from the winding cone during spring replacement in Katy, TX. The winding cone has four holes designed for professional winding bars of a specific diameter in Katy. A winding bar that fits these holes correctly maintains contact throughout the winding process in Katy, TX. An improvised tool — a screwdriver, a piece of rebar, anything that doesn't fill the hole correctly — can slip out of the cone at any point in the winding process in Katy. When it slips, the stored energy releases instantly and the cone rotates at high speed in Katy, TX. The improvised tool becomes a projectile in Katy. This is not a theoretical risk in Katy, TX. It's the mechanism behind the serious injuries that occur from DIY spring replacement every year in Katy.

Herlihy Garage Doors repairs and replaces garage door springs throughout Katy, TX in Katy. The correct specification is measured from the specific door configuration before any spring is selected in Katy, TX. The replacement spring is wound to the correct turn count for the specific door height and cable drum in Katy. The balance test confirms the specification is correct before the opener is reconnected in Katy, TX. Same-day service available throughout Katy in most cases in Katy, TX. And every spring repair is guaranteed in Katy.

Why Spring Specification Is the Most Important Variable in the Door System in Katy, TX

A spring replaced with an incorrect specification — wrong wire diameter, wrong inside diameter, or wrong length — produces a door that's either oversprung or undersprung regardless of how correctly it's wound in Katy. An oversprung door can behave dangerously under manual operation in Katy, TX. An undersprung door adds abnormal load to the opener motor, drive gear, and cables on every cycle in Katy. Neither produces the correctly balanced door that every other component in the system depends on in Katy, TX. Herlihy Garage Doors measures the correct specification before any spring is selected in Katy.

The spring specification determines the door's balance in Katy, TX. The door's balance determines the load the opener, cables, and rollers operate under in Katy. Every component in the door system performs correctly when the spring is correctly specified and performs under abnormal load when it isn't in Katy, TX. The spring specification is the foundation variable from which everything else in the system's performance follows in Katy.

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Torsion Springs vs Extension Springs

Torsion Springs vs Extension Springs in Katy, TX

How Torsion Springs Store and Release Energy in Katy

A torsion spring is mounted on a steel shaft directly above the garage door opening in Katy, TX. When the door closes, the cables pull down on the cable drums, rotating the shaft and winding the spring tighter in Katy. The winding stores rotational energy in the spring coil in Katy, TX. When the door opens, the spring unwinds and releases that stored rotational energy through the shaft and drums, lifting the cables and the door in Katy. The spring is wound to a specific tension that produces a lifting force equal to the door's weight at the cable drum attachment points in Katy, TX. This counterbalancing force is what makes a 200-pound garage door movable with 10 to 20 pounds of net force from the opener in Katy.

How Extension Springs Differ and Why Safety Cables Are Required in Katy, TX

Extension springs run horizontally along the upper track sections on each side of the door in Katy. They store energy by stretching rather than rotating in Katy, TX. When the door closes, the springs extend and store energy in their stretched length in Katy. Extension springs can break with significant lateral movement because the stored energy is released along the spring's length rather than through a shaft in Katy, TX. Safety cables threaded through the center of each extension spring are required to contain a broken spring and prevent it from becoming a projectile in Katy. Herlihy Garage Doors inspects and installs safety cables on every extension spring service in Katy, TX.

The Three Measurements That Define the Correct Torsion Spring in Katy

Wire diameter determines how much energy the spring stores per turn in Katy, TX. A heavier wire diameter stores more energy per turn than a lighter one in Katy. Inside diameter determines which shaft size the spring fits on in Katy, TX. Length determines the total number of active coils and therefore the total energy storage capacity in Katy. All three must be correct for the spring to produce the correct counterbalancing force for the specific door when wound to the correct turn count in Katy, TX.

Why Incorrect Specification on Any One Measurement Produces the Wrong Result in Katy, TX

A spring with the correct inside diameter and length but a wire diameter one gauge too light stores less energy per turn than needed in Katy. Winding it to the correct turn count produces insufficient lifting force in Katy, TX. The door is undersprung in Katy. A spring with the correct wire diameter and inside diameter but a length that's too short has fewer active coils in Katy, TX. Each coil must be wound tighter than designed to produce the required energy storage in Katy. The spring is more likely to fail before its rated cycle life in Katy, TX.

How Herlihy Determines the Correct Specification for the Specific Door in Katy

Herlihy Garage Doors determines the correct spring specification through measurement of the existing spring where intact, or through calculation from the door's measured dimensions and construction characteristics where the spring has failed in Katy, TX. Door height and cable drum size determine the correct winding turn count in Katy. Door weight estimated from size, steel gauge, insulation type, and window configuration determines the correct wire diameter and length in Katy, TX. The specification is calculated, not estimated in Katy.

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Why Spring Work Is Dangerous Without Professional Equipment

Why Garage Door Spring Work Is Dangerous Without Professional Equipment in Katy, TX

The Stored Energy in a Loaded Torsion Spring in Katy

A standard residential torsion spring for a 200-pound garage door stores approximately 300 to 400 foot-pounds of rotational energy when wound to operating tension in Katy, TX. Three hundred foot-pounds is the equivalent of a 150-pound weight dropping two feet in Katy. That energy is stored in the spring coil as rotational tension on a steel shaft in Katy, TX. When released correctly during spring replacement, it simply unwinds the spring back to the neutral state in Katy. When it releases suddenly during a tool slip, it releases all at once through the winding cone in Katy, TX.

Why Correct Winding Bars Are Non-Negotiable in Katy, TX

The winding cone has four holes sized for professional winding bars of a specific diameter in Katy. Professional winding bars are 18 to 24 inches long and the correct diameter to fill the winding cone holes with minimal play in Katy, TX. The length provides leverage and clearance in Katy. The correct diameter fit prevents the bar from shifting in the hole during winding in Katy, TX. Any movement of the bar in the hole during winding is a slip hazard in Katy.

The Specific Injury Mechanism of an Improvised Tool Slip in Katy

An improvised tool that's too narrow to fill the winding cone hole can shift in the hole during winding in Katy, TX. When it shifts far enough to exit the hole, the stored rotational energy in the spring releases through the winding cone in Katy. The cone rotates rapidly in Katy, TX. The tool that was in the hole becomes a projectile in Katy. The person holding the tool, whose hands were near the winding cone, is in the path of both the rotating cone and the released tool in Katy, TX. This mechanism produces the serious hand and arm injuries that occur from DIY spring replacement in Katy.

What Professional Training Adds Beyond Tool Knowledge in Katy, TX

Understanding the correct procedure for spring replacement and executing it correctly under real installation conditions are different things in Katy. Professional technicians have performed the winding procedure under training supervision and accumulated the repetitions that produce correct automatic body positioning in Katy, TX. Correct positioning keeps the technician's body out of the path of energy release throughout the winding sequence in Katy. That positioning is as important as the correct tools in Katy, TX.

Why Herlihy Can Perform This Safely in Katy

Herlihy Garage Doors technicians carry professional winding bars sized for the winding cones on common residential torsion springs in Katy, TX. They follow correct winding procedures that maintain safe positioning relative to the spring and winding cone throughout the winding sequence in Katy. They've accumulated the training repetitions that make correct positioning automatic in Katy, TX.

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Signs Your Spring Needs Repair or Replacement

Signs Your Spring Needs Repair or Replacement in Katy, TX

The Door Feels Heavier Than It Used To in Katy

A spring that's losing tension provides less counterbalancing force than the door weight requires in Katy, TX. Disconnecting the opener and manually lifting the door reveals a door that's noticeably heavier than it was in Katy. This progressive increase in felt weight is the spring's tension loss accumulating cycle by cycle in Katy, TX.

The Opener Strains or Slows on Every Cycle in Katy, TX

A spring that isn't fully counterbalancing the door transfers the uncounterbalanced weight to the opener motor on every opening cycle in Katy. The motor runs at a higher load than designed in Katy, TX. It produces more heat. It accumulates wear faster in Katy. The door moves more slowly because the opener is doing significantly more mechanical work than designed in Katy, TX.

A Loud Bang Followed by a Non-Moving Door in Katy

A torsion spring failure produces a sharp loud bang as the stored rotational tension releases at the fracture point in Katy, TX. The bang is often heard throughout the home in Katy. The door either drops if in motion or stays at its current position in Katy, TX. The opener runs but the door won't follow in Katy. Do not run the opener after a spring snap in Katy, TX.

A Visible Gap in the Spring Coil Above the Door in Katy, TX

A broken torsion spring separates at the fracture point and creates a visible gap in the continuous coil in Katy. The gap is typically one to three inches wide and is visible by looking at the spring on the shaft above the door in Katy, TX. A visible gap means complete spring failure in Katy. The door should not be operated until the spring is replaced in Katy, TX.

The Door Opens Unevenly — One Side Higher Than the Other in Katy

A door that's noticeably higher on one side during operation has unequal spring tension or cable tension between the two sides in Katy, TX. On a two-spring system, a spring that has lost tension on one side produces a door that rises unevenly in Katy. Herlihy Garage Doors assesses spring condition on both sides when uneven door travel is reported in Katy, TX.

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Herlihy's Spring Repair Process

Herlihy's Spring Repair Process in Katy, TX

1

Door Weight and Configuration Assessment in Katy

Door height, width, steel gauge, insulation type, and window configuration assessed in Katy, TX. Cable drum size confirmed in Katy. Door weight estimated from the configuration factors in Katy, TX. Complete picture of the door's weight and travel geometry confirmed before any spring is specified in Katy.

2

Correct Spring Specification Confirmed in Katy, TX

Wire diameter, inside diameter, and length confirmed from the door assessment in Katy. Correct winding turn count calculated from the door height and cable drum configuration in Katy, TX. Replacement spring selected from vehicle inventory or ordered where a less common specification is required in Katy.

3

Safe Unwinding and Removal of the Failed Spring in Katy

Failed spring unwound using professional winding bars following the correct unwinding sequence in Katy, TX. Complete unwinding confirmed before the spring is released from the shaft in Katy. Spring removed and set aside in Katy, TX.

4

New Spring Installed and Wound to Correct Turn Count in Katy, TX

Replacement spring installed on the shaft in Katy. Winding cone positioned correctly in Katy, TX. Spring wound to the calculated turn count using professional winding bars in Katy. Set screws tightened to correct specification in Katy, TX. Cables reattached to drums with correct tension in Katy.

5

Balance Test Confirms the Specification in Katy

Opener disconnected. Door manually lifted to halfway position in Katy, TX. Door released and observed in Katy. Holds at halfway — specification confirmed correct in Katy, TX. Rises — oversprung, winding adjusted in Katy. Drops — undersprung, winding adjusted in Katy, TX. Opener reconnected only after balance test confirms correct specification in Katy.

One Spring or Both

One Spring or Both — Herlihy's Recommendation in Katy, TX

Both springs were installed at the same time and have completed the same number of cycles in Katy, TX. Metal fatigue accumulates proportionally to cycles under stress in Katy. The spring that broke reached its individual fatigue threshold first due to microscopic wire structure differences in Katy, TX. The surviving spring is at essentially the same point in its fatigue progression in Katy.

Replacing both springs during today's visit costs approximately $50 to $150 more than replacing only the broken spring in Katy, TX. When the second spring breaks — and at the same fatigue progression it will — the cost is a second call-out charge, a second spring, and potentially a second after-hours charge in Katy. The total of two separate repairs consistently exceeds the cost of replacing both during the original visit in Katy, TX.

If the surviving spring was replaced recently and has significantly fewer cycles than the broken spring, replacing only the broken spring is the correct approach in Katy. Herlihy assesses the surviving spring's age and specification and advises on the correct approach for the specific situation in Katy, TX. Herlihy Garage Doors recommends replacing both springs when both are at the same fatigue progression in Katy. The specific reasoning is explained clearly in Katy, TX. The homeowner makes the final decision with complete information in Katy. Herlihy never withholds the reasoning or pressures the outcome in Katy, TX.

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Why Herlihy Garage Doors

Why Choose Herlihy for Spring Repair in Katy, TX

Specification Measured — Not Guessed in Katy

Herlihy Garage Doors measures and calculates the correct specification from the specific door configuration on every spring replacement in Katy, TX. Not an estimate based on the door's appearance in Katy.

Professional Winding Bars — Every Job in Katy, TX

Herlihy uses professional winding bars sized for the specific winding cone on every spring replacement in Katy. The correct tool is non-negotiable for safe spring work in Katy, TX.

Balance Test — Every Installation in Katy

The balance test is a standard component of every Herlihy spring installation in Katy, TX. The specification is confirmed by the balance result before the job is complete in Katy.

Same-Day Service Throughout Katy, TX

Herlihy Garage Doors maintains same-day spring repair availability throughout Katy in most cases in Katy, TX. Service vehicles carry springs for the most common residential door configurations in Katy.

Every Spring Repair Guaranteed in Katy

Every Herlihy Garage Doors spring repair is guaranteed in Katy, TX. If the repair doesn't produce the expected result within the guarantee period, Herlihy returns and addresses it at no additional charge in Katy.

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Pricing

Garage Door Spring Repair Cost in Katy, TX

All pricing confirmed upfront before work begins in Katy.

Single torsion spring replacement in Katy$150 to $250
Both torsion springs replaced in Katy, TX$200 to $400
Extension spring replacement — both in Katy$150 to $300
High-cycle spring upgrade — per spring in Katy, TX$50 to $100 additional

The High-Cycle Spring Upgrade in Katy

Standard springs are rated for 10,000 cycles in Katy, TX. At four cycles per day, that's approximately 7 years in Katy. High-cycle springs rated for 25,000 or more cycles last approximately 17 years at the same usage rate in Katy, TX. The upgrade costs $50 to $100 more per spring in Katy. Done during the same service visit as the replacement, no additional call-out cost is added to the upgrade in Katy, TX.

After-hours service carries an additional charge in Katy, TX.

Specification measured. Wound correctly. Balance tested. Guaranteed. Herlihy Garage Doors in Katy, TX.

Same-day service available throughout Katy. Call now in Katy, TX.

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Service Area

Serving Katy, TX and Surrounding Areas

Downtown Katy

Residential & commercial in Katy, TX

North Katy

Full north-side same-day coverage

South Katy

All south-side communities in Katy

East Katy

East-end homes & properties in Katy, TX

West Katy

Full west-side coverage in Katy

Surrounding Areas

Call to confirm availability in Katy, TX

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FAQ

Garage Door Spring Repair FAQs in Katy, TX

Herlihy calculates the door's weight from its measurable construction characteristics in Katy. Door width and height establish the panel area in Katy, TX. Steel gauge determines the weight per square foot in Katy. Insulation type and thickness add a specific weight contribution in Katy, TX. Window sections add weight based on their size and glass type in Katy. The sum of these contributions produces a weight estimate accurate enough to correctly specify the spring within the tolerance of the winding adjustment in Katy, TX.
IPPT stands for Inch-Pounds Per Turn in Katy. It's the measure of how much energy a specific spring stores for each turn of winding in Katy, TX. IPPT is determined by the spring's wire diameter and inside diameter in Katy. A spring with a higher IPPT stores more energy per turn and requires fewer turns to produce the correct counterbalancing force for the door weight in Katy, TX. The winding turn count is calculated by dividing the required energy storage by the spring's IPPT rating in Katy.
Steel becomes less ductile at lower temperatures in Katy. A spring that's operating near the end of its fatigue life may sustain many additional cycles in moderate temperatures but fail sooner in cold weather because the reduced metal ductility makes fatigue crack propagation faster at each cycle in Katy, TX. Lubricating springs before the cold season reduces the heat generated by coil-to-coil friction during operation and slows the cold-weather fatigue rate in Katy.
Standard residential springs are rated for 10,000 cycles in Katy. High-cycle springs are manufactured with heavier wire gauge and higher-quality steel — typically oil-tempered wire — and are rated for 25,000 cycles or more in Katy, TX. The heavier wire gauge and better steel quality resist fatigue crack propagation better than standard wire, producing a longer service life before failure in Katy. High-cycle springs cost $50 to $100 more per spring than standard springs in Katy, TX.
A spring that has lost tension but hasn't broken can be re-tensioned by adding winding turns in Katy. However, re-tensioning a spring that has lost tension from approaching end of fatigue life adds turns to a spring whose metal is already near its fatigue limit in Katy, TX. The additional winding increases the stress per coil on already fatigued metal in Katy. Re-tensioning is appropriate in limited situations — a spring that was incorrectly wound initially or one that's lost tension from a setscrew slip rather than from fatigue progression in Katy, TX. Herlihy assesses the specific situation before recommending re-tensioning vs replacement in Katy.
The opener is designed to provide 10 to 20 pounds of net force against a counterbalanced door in Katy. With a broken spring, the opener is trying to lift the door's full weight — 150 to 400 pounds — with that same 10 to 20 pounds of net force in Katy, TX. The motor draws maximum current in Katy. The plastic drive gear meshes against the metal worm gear under maximum torque in Katy, TX. Most residential drive gears strip in three to seven sustained overload attempts in Katy. Running the opener with a broken spring risks adding a $100 to $200 drive gear replacement to the spring repair cost in Katy, TX.
Herlihy disconnects the opener using the emergency release cord and manually lifts the door to the halfway open position in Katy. The door is released without being held in Katy, TX. A correctly specified and correctly wound spring produces a door that holds its position near the halfway height in Katy. A door that rises is oversprung and winding is reduced in Katy, TX. A door that drops is undersprung and winding is increased in Katy. The test confirms that the spring specification and winding produced the correct counterbalancing force for the specific door weight in Katy, TX.
Apply a garage door lubricant spray — not WD-40, which is a solvent rather than a lubricant — directly to the torsion spring coils in Katy. The lubricant penetrates between the coils and reduces the friction generated when the coils compress and separate during winding and unwinding in Katy, TX. Less friction means less heat generated in the spring during operation in Katy. Less heat slows the progression of metal fatigue in Katy, TX. Lubricate springs every six to twelve months as a maintenance measure in Katy.
When a torsion spring breaks while the door is in motion, the stored rotational energy releases suddenly in Katy. The door drops rapidly on the spring side as the counterbalancing force disappears in Katy, TX. The rapid drop creates a sudden increase in cable tension — a shock load — that can significantly exceed the cable's rated working load in Katy. If the shock load exceeds the cable's breaking strength, the cable snaps simultaneously with or immediately after the spring failure in Katy, TX. This is why a broken spring and a broken cable are frequently found together in Katy.
The winding cone is the steel fitting attached to each end of the torsion spring that the winding bars engage during the winding and unwinding process in Katy. It has four holes of a specific diameter into which the winding bars are inserted in Katy, TX. The winding cone concentrates the stored rotational energy at the end of the spring where the winding bars apply force in Katy. If a winding bar slips from the cone hole during winding, the cone rotates suddenly at high speed releasing all stored energy through the cone in Katy, TX. Anyone near the cone when a slip occurs is in the path of the rotating cone and the released tool in Katy.
Garage door spring repair costs in Katy range from $150 to $250 for a single torsion spring replacement, $200 to $400 for both torsion springs, and $150 to $300 for extension spring replacement in Katy, TX. High-cycle upgrades add $50 to $100 per spring in Katy. All pricing confirmed upfront before work begins in Katy, TX.
Yes. Every Herlihy Garage Doors spring repair is guaranteed in Katy. If the repair doesn't produce the expected result within the guarantee period, Herlihy returns and addresses it at no additional charge in Katy, TX.
Call Right Now

Spring Broken or Wearing Out? Call Herlihy in Katy, TX Today.

The spring is the most mechanically significant component in your garage door system and spring repair is the most safety-critical service in the industry in Katy. Herlihy Garage Doors measures the correct specification before selecting any spring, winds to the correct turn count, confirms the specification with the balance test, and guarantees every spring repair in Katy, TX. Same-day service available throughout Katy. Call now in Katy, TX.

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Our Garage Door Services in Katy, TX

Garage Door Spring RepairGarage Door Opener RepairGarage Door InstallationGarage Door ReplacementGarage Door Off Track RepairGarage Door Cable RepairGarage Door Opener InstallationGarage Door Roller RepairGarage Door Track RepairRoll-Up Door RepairGarage Door Motor RepairCommercial Garage Door RepairOverhead Garage Door Repair

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