Fix Double Hung Window Spring? 7 Easy Steps!

Is your double hung window giving you trouble staying open? A faulty double hung window spring is often the culprit. Addressing this common issue prevents window damage and enhances home energy efficiency. Luckily, with basic DIY skills and a few readily available tools, replacing a double hung window spring is manageable. Follow our 7 easy steps, and you'll have your windows functioning smoothly again!

Restoring Smooth Operation to Your Double Hung Windows

Double hung windows, characterized by their two operable sashes that slide vertically, are a ubiquitous feature in countless homes across the country. Their enduring popularity stems from their classic aesthetic appeal, ease of ventilation control, and relative simplicity.

But what makes these windows function so smoothly? The answer lies in the unsung heroes of the window world: window springs, also known as balances. These components provide the counterweight necessary to allow the sash to remain open at the desired height without constant manual effort. They ensure smooth operation.

The Silent Struggle: Recognizing Failing Window Springs

Unfortunately, window springs, like any mechanical component, are subject to wear and tear. Over time, they can weaken, break, or simply lose their tension.

A broken or failing window spring manifests in several frustrating ways.

These include:

• Difficulty opening or closing the window.
• The sash sliding down on its own, refusing to stay in the desired position.
• Visible damage to the spring itself, if accessible within the window frame.

These seemingly minor inconveniences can quickly escalate into significant problems.

The Ripple Effect of Faulty Springs

Compromised ease of use is just the tip of the iceberg.

A window that won't stay open presents a safety hazard, especially for households with children or pets. Imagine a heavy sash suddenly slamming shut!

Energy efficiency also takes a hit.

Windows that don't close properly can allow drafts, increasing your heating and cooling costs. The cumulative effect on your energy bill can be surprisingly significant.

Beyond safety and expense, wrestling with a stubborn window day after day is simply frustrating.

Your 7-Step Path to Smooth Window Operation

This guide provides a straightforward, step-by-step approach to replacing your worn-out window springs.

Follow these 7 steps to:

1. Diagnose the problem accurately.
2. Gather the necessary tools and replacement parts.
3. Prioritize safety throughout the process.
4. Carefully remove the window sash.
5. Access the broken spring.
6. Install the new spring correctly.
7. Reinstall the sash and test for proper function.

With a bit of patience and these instructions, you can restore the smooth, effortless operation of your double hung windows.

Step 1: Diagnosing the Problem - Is Your Window Spring Broken?

Before diving into any repairs, it's crucial to accurately determine whether a broken or failing window spring/balance is indeed the root cause of your window woes. A misdiagnosis can lead to wasted time, unnecessary expenses, and continued frustration.

Recognizing the Signs of a Faulty Spring

Identifying a broken or weakened spring often involves a combination of observation and deduction. Here are the key indicators to watch out for:

The Sash Won't Stay Up

This is perhaps the most obvious and common symptom. If your window sash slides down on its own after you release it, rather than remaining at the desired height, a failing spring is highly probable. The spring's job is to counterbalance the weight of the sash, and when it loses its ability to do so, gravity takes over.

Difficulty Opening or Closing the Window

A healthy window spring provides assistance during both opening and closing. If you find yourself struggling to lift or lower the sash, or if the movement feels jerky or uneven, it could signify a problem with the spring's tension or a physical obstruction caused by a broken component.

Visible Spring Damage (If Accessible)

In some window designs, you might be able to visually inspect the springs or balances without extensive disassembly. Look for signs of breakage, corrosion, or distortion. A snapped spring, a frayed cable, or a visibly bent balance are all clear indicators of a compromised component. However, it is important to exercise extreme caution if you attempt to access the spring for inspection.

Why Proper Diagnosis Matters

Spending a little time to accurately diagnose the problem is time well spent. Replacing a perfectly functional spring won't solve the underlying issue, and you might end up chasing a ghost.

Thoroughly examine the window's operation and look for the telltale signs mentioned above. Perhaps the issue isn't a broken spring at all, but instead some other cause.

Here are some other common window issues:

• The window track may be dirty.
• The window frame itself might be warped.
• The window might be painted shut.

Consider all possibilities before assuming the spring is the culprit. Take your time, observe carefully, and only proceed with spring replacement if the evidence clearly points in that direction.

Step 2: Gathering Your Supplies - Tools and Replacement Springs

Once you've confirmed that a faulty spring is indeed the culprit behind your window troubles, the next crucial step is preparing for the repair. This involves gathering the right tools and, most importantly, identifying and acquiring the correct replacement springs or balances. Proper preparation will streamline the process and ensure a successful outcome.

Essential Tools for the Job

Having the right tools on hand will make the repair significantly easier and safer. Here's a list of must-have items:

Screwdrivers: A variety of both Phillips head and flathead screwdrivers in different sizes are essential. Different windows use different types and sizes of screws, so having options is key.

Pliers: Pliers are useful for gripping, bending, and manipulating small parts. Needle-nose pliers can be particularly helpful for accessing tight spaces.

Safety Glasses: Protecting your eyes is paramount. Even seemingly simple tasks can dislodge debris, so always wear safety glasses.

Work Gloves: Gloves protect your hands from sharp edges, splinters, and potential irritants. They also provide a better grip.

Measuring Tape: A measuring tape is crucial for accurately measuring the old spring or the window frame to ensure you purchase the correct replacement.

Identifying the Correct Replacement Spring or Balance

This is arguably the most critical part of the preparation process. Buying the wrong replacement spring will render the repair impossible. Here's how to ensure you get the right one:

Measuring the Old Spring or Balance

If possible, carefully remove the old spring or balance and measure its length and diameter. For balances, note the overall length of the metal casing. If the spring is broken, try to piece it together for a rough estimate of its original length.

Checking the Weight Capacity

Window springs and balances are designed to support a specific weight range. Look for any markings on the old spring or balance that indicate its weight capacity. If no markings are visible, you'll need to weigh your window sash. Use a bathroom scale, if possible. Otherwise, you can use a luggage scale for more precision. Knowing the weight of the sash is crucial for selecting a replacement spring with the appropriate load rating. An undersized spring won't properly support the window, while an oversized spring will make it difficult to close.

Where to Purchase Replacement Springs

Replacement springs and balances are readily available from several sources:

Hardware Stores: Local hardware stores typically stock a variety of common window springs and balances. This allows you to physically examine the parts before purchasing.

Online Retailers: Online retailers offer a wider selection than most brick-and-mortar stores. You can often find specialized or hard-to-find springs online. Be sure to carefully review the product descriptions and customer reviews before making a purchase. Look for retailers that specialize in window hardware.

Window Manufacturers: If you know the manufacturer of your windows, you may be able to purchase replacement springs directly from them. This is often the best way to ensure a perfect fit.

With the right tools and the correct replacement springs in hand, you'll be well-prepared to tackle the repair with confidence.

Once you've confirmed that a faulty spring is indeed the culprit behind your window troubles, the next crucial step is preparing for the repair. This involves gathering the right tools and, most importantly, identifying and acquiring the correct replacement springs or balances. Proper preparation will streamline the process and ensure a successful outcome.

Essential Tools for the Job

Having the right tools on hand will make the repair significantly easier and safer. Here's a list of must-have items:

Screwdrivers: A variety of both Phillips head and flathead screwdrivers in different sizes are essential. Different windows use different types and sizes of screws, so having options is key.

Pliers: Pliers are useful for gripping, bending, and manipulating small parts. Needle-nose pliers can be particularly helpful for accessing tight spaces.

Safety Glasses: Protecting your eyes is paramount. Even seemingly simple tasks can dislodge debris, so always wear safety glasses.

Work Gloves: Gloves protect your hands from sharp edges, splinters, and potential irritants. They also provide a better grip.

Measuring Tape: A measuring tape is crucial for accurately measuring the old spring or the window frame to ensure you purchase the correct replacement.

Identifying the Correct Replacement Spring or Balance

This is arguably the most critical part of the preparation process. Buying the wrong replacement spring will render the repair impossible. Here's how to ensure you get the right one:

If possible, carefully remove the old spring... now that we've gathered our supplies, it's time to address the most important aspect of any DIY project: safety.

Step 3: Safety First – Protecting Yourself During the Repair

Before you even think about touching a screwdriver, take a moment to prioritize your well-being. Repairing window springs might seem straightforward, but potential hazards lurk. A little precaution goes a long way in preventing injuries.

Why Safety Matters

Working with windows involves handling glass, metal, and potentially sharp objects. Old windows can be brittle, and springs under tension can be unpredictable. Rushing into the repair without proper safeguards increases the risk of cuts, scrapes, eye injuries, and other accidents.

Essential Safety Gear

Safety Glasses

This is non-negotiable. Always wear safety glasses to shield your eyes from flying debris, shattered glass, or errant spring fragments. Regular eyeglasses are not a substitute for proper safety glasses, as they don't provide adequate impact protection.

Work Gloves

Protect your hands from cuts, splinters, and grime by wearing work gloves. Gloves also improve your grip, making it easier to handle tools and window components securely. Choose gloves that offer a good balance of protection and dexterity.

The Buddy System: When to Ask for Help

Replacing window springs can sometimes involve maneuvering heavy window sashes. If you're dealing with a particularly large or unwieldy window, don't hesitate to enlist the help of a friend or family member.

Having an extra pair of hands can make the job significantly easier and safer, preventing accidental drops or strains.

A Word on Spring Tension

Window springs, particularly torsion springs, store a significant amount of energy. Mishandling them can result in sudden releases that cause injury. If you're uncomfortable working with springs under tension, it's best to consult a professional window repair technician.

Step 4: Removing the Window Sash - A Step-by-Step Guide

With the proper tools and replacement springs secured, and safety precautions firmly in mind, it's time to tackle the core of the repair: removing the window sash. This step requires patience and a gentle touch to avoid damaging the window frame or the glass itself. Understanding the mechanics of how the sash is held in place is key to a smooth removal process.

Understanding the Sash and Its Retention Mechanisms

Double-hung windows utilize different mechanisms to keep the sash in place, but the most common involve either spring-loaded balances or tilt latches. Spring-loaded balances, which this article addresses, use tension to hold the sash at the desired height and allow for smooth vertical movement. Tilt latches, on the other hand, enable the sash to be tilted inward for cleaning purposes. Before attempting to remove the sash, it's crucial to identify which type of mechanism your window employs.

Removing a Sash with Tilt Latches

Many modern double-hung windows are equipped with tilt latches, usually located at the top of the sash on either side. These latches allow the window to be tilted inward for easy cleaning. Here's how to disengage them and remove the sash:

1. Unlock and Raise the Sash: Begin by unlocking the window and raising the sash a few inches. This creates some slack and makes it easier to manipulate the latches.

2. Locate the Tilt Latches: Identify the tilt latches at the top of the window sash.

3. Disengage the Latches: Depending on the design, you may need to slide, depress, or rotate the latches to release the sash. Apply gentle pressure; forcing them can cause damage. Some latches might require you to push them inwards towards the glass.

4. Tilt the Sash Inward: Once both latches are disengaged, carefully tilt the top of the sash inward towards you.

5. Lift and Remove: With the sash tilted, gently lift it upwards and out of the window frame. Be mindful of the bottom of the sash, as it might still be engaged in a track or groove. You might need to jiggle it slightly to fully dislodge it.

Removing a Sash Without Tilt Latches

Older windows might not have tilt latches, relying solely on the spring-loaded balances to hold the sash in place. Removing these sashes requires a slightly different approach:

1. Raise the Sash: Lift the sash as high as it will go. This will relieve some of the tension on the balances.

2. Locate the Balance Channels: Identify the channels on either side of the window frame where the spring balances are located.

3. Detach the Sash: Depending on the specific design, the sash might be connected to the balances via a clip, pin, or other fastener. You may need to carefully pry or slide the sash off these connectors. Be extremely cautious here, as the sudden release of tension can cause the sash to drop unexpectedly.

4. Lower and Remove: Once the sash is detached from the balances, carefully lower it and lift it out of the frame.

Safe Handling Practices

Regardless of the type of window, handling the sash with care is paramount.

• Have an Assistant: Especially with larger or heavier windows, having someone assist you is highly recommended. This prevents accidental drops and makes the process safer.

• Protect the Surfaces: Place a soft cloth or blanket on the floor or work surface where you'll be setting the sash. This will protect the glass and frame from scratches.

• Avoid Leaning the Sash: Never lean the sash against a hard surface, as this can cause the glass to crack.

• Grip Firmly: Maintain a firm and secure grip on the sash throughout the removal process.

Taking your time and following these steps carefully will ensure a safe and successful sash removal, setting the stage for replacing the faulty window spring.

With the sash safely removed, the next crucial step involves exposing the damaged spring or balance mechanism. This often requires a bit of detective work, as the springs are typically concealed within the window frame itself.

Step 5: Accessing the Broken Spring – Getting to the Heart of the Problem

Accessing the broken spring or balance is rarely straightforward. Manufacturers design window frames with aesthetics in mind, meaning the inner workings are usually hidden behind trim, covers, or within channels. However, with careful observation and the right tools, you can expose the culprit.

Identifying the Spring's Location

The location of the spring or balance system varies depending on the window's design. However, here are some common places to check:

• Side Channels: Most double-hung windows house the spring balances within vertical channels running along the sides of the window frame. These channels may be covered by thin strips of wood, plastic, or metal.

• Top of the Frame: In some older windows, or those with unique designs, the springs may be located at the top of the window frame, accessible from the inside.

• Behind Interior Trim: Occasionally, the spring mechanism might be hidden behind decorative trim pieces that need to be carefully removed.

Removing Access Hardware

Once you've located the area where the spring is housed, you'll likely encounter hardware that needs to be removed. Proceed cautiously to avoid damaging the surrounding frame. Here's what to look for:

• Screws: Screws are the most common type of fastener. Use the appropriate screwdriver (Phillips head or flathead) to carefully remove them. Store the screws in a safe place to prevent loss.

• Clips: Some manufacturers use metal or plastic clips to secure access panels or covers. These clips can often be gently pried off with a flathead screwdriver. Be careful not to break the clips, as they may be needed to reassemble the window.

• Covers/Strips: The spring mechanism is often concealed behind a strip of wood, plastic, or metal. Once the screws or clips are removed, these strips should slide or pry off. If the strip seems stuck, double-check for hidden fasteners.

• Spring Retainers: Some spring balance systems use retainers or housings to hold the spring in place. These may need to be detached or disengaged before you can fully access the broken spring. Note how they are attached. Taking pictures as you go can be very helpful for reassembly.

A Note on Caution

As you delve deeper into the window frame, be mindful of any sharp edges or loose components. Continue to wear your safety glasses and gloves to protect yourself. If you encounter significant resistance or are unsure how to proceed, consult the window's manufacturer's instructions or seek advice from a professional. Forcing anything can lead to damage and more complex repairs.

Step 6: Replacing the Window Spring - Installing the New Component

With the broken spring exposed, the moment of truth arrives: installing the replacement. This step demands patience and attention to detail, as proper installation is paramount for smooth and safe window operation.

Preparing the Replacement Spring

Before physically installing the new spring, take a moment to prepare it. Many replacement springs come pre-tensioned or require a specific tensioning procedure before installation.

Consult the manufacturer's instructions that came with your replacement spring. Failure to follow these instructions can result in improper operation or even damage to the spring itself.

Some springs might require you to insert a winding rod or use a specialized tool to achieve the correct tension. Others are designed for direct installation. Understanding the specific requirements of your spring is crucial.

Installing the New Spring: A Step-by-Step Guide

The installation process varies depending on the type of spring or balance you're using. However, the following general steps apply to most scenarios:

1. Position the Spring: Carefully insert the new spring or balance into the designated channel or housing within the window frame. Ensure it's oriented correctly, matching the position of the old spring.

2. Secure the Spring (if necessary): Some springs utilize clips, screws, or other fasteners to hold them in place. Make sure these fasteners are properly aligned and tightened. Avoid over-tightening screws, as this can damage the frame or strip the threads.

3. Attach Cables or Cords (if applicable): If your window uses a cable or cord attached to the spring balance, ensure it's correctly connected to the sash carrier or sash itself. This connection is vital for the balance system to function. Double-check the connection point to ensure it's secure.

4. Test the Tension: Before fully reassembling the window, test the spring's tension. Gently pull down on the cable or cord (if applicable) to assess whether the spring provides adequate resistance. If the tension feels too weak or too strong, readjust the spring according to the manufacturer's instructions.

Ensuring Correct Spring Positioning

The orientation of the spring within its housing is critical. An incorrectly positioned spring can lead to uneven window movement, binding, or even premature failure of the spring.

Pay close attention to any markings or indicators on the spring or within the housing. These markings often indicate the correct orientation. If unsure, consult the window's repair manual or the spring manufacturer's documentation.

Securing with Appropriate Fasteners

The type of fastener used to secure the spring depends on the window's design. Common fasteners include:

• Screws: Use the correct size and type of screw to avoid stripping the threads or damaging the surrounding material.
• Clips: Ensure the clips are properly seated and securely hold the spring in place.
• Tensioning Mechanisms: Some springs feature built-in tensioning mechanisms that require specific tools or procedures to adjust.

Always refer to the manufacturer's instructions for guidance on the appropriate fasteners and securing methods.

With the broken spring exposed, the moment of truth arrives: installing the replacement. This step demands patience and attention to detail, as proper installation is paramount for smooth and safe window operation.

Before physically installing the new spring, take a moment to prepare it. Many replacement springs come pre-tensioned or require a specific tensioning procedure before installation. Consult the manufacturer's instructions that came with your replacement spring. Failure to follow these instructions can result in improper operation or even damage to the spring itself. Some springs might require you to insert a winding rod or use a specialized tool to achieve the correct tension. Others are designed for direct installation. Understanding the specific requirements of your spring is crucial.

The installation process varies depending on the type of spring or balance you're using. However, the following general steps apply to most scenarios: Carefully insert the new spring or balance into the designated channel or housing within the window frame. Ensure it's oriented correctly, matching the position of the old spring. Some springs utilize clips, screws, or other fasteners to hold them in place. Make sure these fasteners are properly aligned and tightened. Avoid over-tightening screws, as this can damage the frame or strip the threads. If your window uses a cable or cord attached...

Step 7: Reinstalling and Testing – Ensuring Proper Function

Reinstalling the window sash and rigorously testing its operation are crucial steps in ensuring a successful double-hung window spring replacement. Neglecting these steps can lead to continued frustration and potential safety hazards.

Reinstalling the Window Sash

Carefully lift the window sash and align it with the window frame. This process might require a bit of maneuvering, especially if the sash is heavy. Ensure the sash is oriented correctly, with the exterior side facing outwards.

Gently guide the sash into the frame channels, making sure it sits flush against the stops. Avoid forcing the sash, as this could damage the frame or the newly installed spring.

Engaging Tilt Latches

If your double-hung windows are equipped with tilt latches, now is the time to re-engage them. These latches allow you to tilt the window inwards for cleaning.

Ensure the latches are properly aligned with their corresponding slots in the window frame. Push the latches inwards until they click into place, securing the sash.

A common mistake is failing to fully engage the tilt latches, which can result in the sash not staying in place or being difficult to operate.

The Crucial Test: Smooth Movement and Stability

With the sash reinstalled and the tilt latches engaged, the moment of truth has arrived. It's time to test the window's operation.

Slowly raise and lower the window sash, paying close attention to its movement. The sash should move smoothly and effortlessly, without any sticking or binding. If the window is still difficult to open or close, the spring may not be properly tensioned or installed correctly.

Release the sash at various points along its travel. The window should remain in place, held securely by the new spring. If the sash slides down on its own, the spring may be too weak or improperly installed.

Troubleshooting Common Issues

Even with careful installation, issues can sometimes arise during testing. Here are some common problems and their potential solutions:

Sash Slides Down

This indicates insufficient spring tension. Double-check that you've installed the correct spring for the sash weight. You might need to increase the spring tension if the mechanism allows.

Window is Hard to Open/Close

Check for obstructions in the window channel. Make sure the sash is properly aligned and not rubbing against the frame. The spring might be too strong, requiring a slightly weaker replacement.

Clicking or Grinding Noises

This could indicate that the spring is not properly seated or that there's debris in the mechanism. Remove the sash and inspect the spring and channel for any obstructions.

Tilt Latches Don't Engage

Ensure the latches are clean and free of debris. Check that the receiving slots in the frame are not damaged or obstructed.

So, how did it go? Hopefully, these steps helped you get that double hung window spring fixed right up. Now you can enjoy fresh air without worrying about your window slamming shut! Let us know in the comments if you have any other tips for dealing with double hung window spring issues.