Adjusting Exterior Double-Pane Horizontal Sliding Windows: A Diy Guide

can you adjust an exterior double pane horizontal sliding window

Exterior double-pane horizontal sliding windows can be adjusted or replaced, but it is not a simple task. It is important to be cautious when handling the exterior glazing strips as bending or breaking them can cause issues. The glass comes as a unit, known as an insulating glass unit (double-paned), and accurate measurements are crucial for replacement. DIY methods can be employed, but professional services are available for installation and repair. Proper tools, such as a deglazing tool or a suction cup, are necessary to avoid damage during the process.

Characteristics and Values Table for Exterior Double Pane Horizontal Sliding Windows

Characteristics Values
Glazing Type Double-Pane
Installation Expert installation available
Energy Efficiency Less energy-efficient than picture windows; more energy-efficient than single-hung windows
Design Horizontal orientation; sleek and classic design; expansive size; fewer moving parts; requires less upkeep over time
Features Low-emissivity coatings; dual-pane glass; option to upgrade to triple-pane glass; muntins (grids) for pane appearance
Maintenance Easy to clean and maintain; both sashes can be operated for cleaning
Security Recommended for protection from intruders; provides an extra barrier to entry
Ventilation Allows for ventilation and fresh air without taking up space
Light Flexibility in how much light is let in
Cost Various models range from $91.88 to $498.00
Repair Individual panes cannot be replaced; the entire unit must be replaced
Installation Process Center the window, drill holes, secure with screws, and check alignment

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Removing the moveable panel

Removing the movable panel of an exterior double-pane horizontal sliding window is a straightforward process that can be completed with relative ease if the correct tools are used and care is taken to not bend or break any components. Here is a step-by-step guide to removing the movable panel:

Step 1: Prepare the Window

Locate and unlock both locks on the window if it has two, or the single lock if it only has one. Then, raise the movable sash, or the panel that contains the frames, at least 6 inches (15 cm) from the bottom of the windowsill. This will give you room to manoeuvre the window and access the necessary components.

Step 2: Identify the Latches

Identify the tilt latches on the top of the sash. These latches are narrow buttons, approximately 1 inch (2.5 cm) in length, that slide to hold the sash in place. They are located on the top of each sash and will need to be disengaged to release the sash from the track.

Step 3: Disengage the Latches

Using your index fingers, simultaneously slide both tilt latches toward the centre of the window. This action will disengage the sliding window from its track, allowing you to lift and remove the sash. Be cautious during this step, as forcing or bending components can cause damage.

Step 4: Remove the Sash

After disengaging the latches, carefully lift and remove the sash from the window frame. If your window has a cord and pulley system, be sure to untie the cord before removing the sash. With the sash removed, you now have access to the interior components of the window, including the glass panes.

Additional Considerations:

If you are planning to replace the glass, it is recommended to take precise measurements and order a new insulating glass unit (IGU) from a glass shop. Additionally, be cautious when handling the exterior glazing strips, as bending or breaking them can cause issues when reinstalling the new glass.

By following these steps, you can successfully remove the movable panel of an exterior double-pane horizontal sliding window, allowing for repairs, maintenance, or upgrades to be performed.

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Taking out the fixed panel

To take out the fixed panel of a double-pane horizontal sliding window, you will need to first remove the sliding panel. Then, you must identify the vertical bar that holds the fixed panel in place. Using a hammer and screwdriver, gently tap the vertical bar towards the opening until you can turn it at an angle and remove it. Be cautious, as some windows have the fixed bar held in place by a screw at the bottom or top, or both. Once the vertical bar is removed, you can slide the fixed panel over and take it out, just like you did with the sliding panel.

It is important to be careful with the exterior glazing strips. Bending or breaking them can cause issues. If you are doing this project as a DIY project, it is recommended to tear out the old glass and then cut a piece of plywood to fill in the hole temporarily. This will allow you to take measurements and order a new insulating glass unit (IGU) from a glass shop. Try not to remove the outer piece of glass, as you will need to get the old one out in one piece to accurately measure the thickness of the new glass.

A deglazing tool is required to cut the silicone around the inside perimeter. You can make your own deglazing tool by buying a cheap pizza cutter with a handle that is riveted to only one side and bending the handle at a 22.5-degree angle. This will allow you to slide the pizza cutter disk between the glass and the frame.

Additionally, when removing the fixed panel, be aware that there may be blocks or stops on the top and bottom that need to be removed first. These blocks might be resting in place or held by screws. Once removed, you can slide the center portion left or right and then lift it up and tip the bottom in to remove the fixed panel.

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Measuring the glass

Understanding the Glass and Frame

Before beginning the measurement process, it is essential to understand the components of your window. Double-pane windows, also known as insulating glass units (IGUs), consist of two glass panes separated by a spacer bar, typically made of metal or plastic. This assembly is then sealed within a frame, which can be made of materials like PVCu or wood. The thickness of the frame and the dimensions of the glass panes are critical factors in the replacement process.

Measuring the Window Opening

When measuring for a glass replacement, it is essential to provide the manufacturer with the precise dimensions of the window opening. This means measuring the width and height of the opening where the window frame sits, also known as the rough opening. Take measurements at three different points—the top, middle, and bottom—to ensure accuracy and account for any inconsistencies.

Calculating Glass Thickness

Determining the thickness of the glass panes in a double-glazed window is crucial. To calculate this, you need to measure the thickness of the PVCu frame and the gap between the panes. For example, if your frame is 62mm thick, and the gap on each side is 17mm, you would deduct 34mm from the frame thickness, resulting in a double-glazed unit thickness of 28mm.

Deductions for Wooden Frames

When dealing with wooden frames, it is common to deduct a small amount from the initial measurements to ensure a proper fit. For single-glazed glass in wooden frames, a deduction of 5mm from both the width and height is typical. This compensation accounts for potential errors in cutting and any discrepancies in the window dimensions.

Professional Measurement Services

While the DIY approach is admirable, measuring window glass can be challenging. Professional glass companies and manufacturers often offer measurement services to ensure accuracy. They have the expertise and tools to measure correctly, potentially saving you from costly mistakes. Consider reaching out to local professionals for assistance or advice.

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Ordering a new IGU

If you're looking to order a new IGU (Insulated Glass Unit) for your double-pane horizontal sliding window, there are a few things to keep in mind. Firstly, IGUs are a great way to improve your home's energy efficiency and resale value. Double-pane windows provide better insulation than single-pane windows because of the layer of air or inert gas, such as argon, trapped between the two panes of glass, which acts as a thermal barrier. This reduces heat transfer and helps regulate indoor temperatures, keeping your home cooler in the summer and warmer in the winter.

When ordering a new IGU, you'll need to provide the correct measurements to ensure a proper fit. You can either take measurements yourself or consult a professional. If you're confident in your DIY skills, carefully remove the old glass pane and take note of its dimensions. You'll need to get the old pane out in one piece to accurately measure the thickness of the new one. Be cautious when handling exterior glazing strips as bending or breaking them can cause issues. A deglazing tool can help cut through the silicone or sealant around the glass perimeter.

Once you have the measurements, you can order your new IGU online from suppliers like OneDayGlass, Glassupply.com, or RoyaltyMirror.com. These websites allow you to customize your IGU by selecting options for glass pane thickness, window shape and size, tinting colours, and grid options. You can also choose Low-E coatings to block harmful UV rays and enhance energy efficiency. After placing your order, expect a shipment timeframe of around 3 to 4 weeks. The glass panes will be carefully packaged and shipped, and you will be provided with a tracking number for easy order tracking.

If you're unsure about the process or feel uncomfortable handling the glass, it's best to consult a professional or a glass company to ensure accurate measurements and safe installation. They can guide you through the options and provide expert advice. Additionally, some companies like Andersen Windows offer gliding windows with standard features for improved efficiency, such as low-emissivity coatings and dual-pane glass.

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Installing the window

Installing a double-pane horizontal sliding window is a complex process that requires careful planning and execution. Here is a step-by-step guide to help you through the installation process:

Prepare the Window Frame and Opening

Before installing the new window, it is essential to prepare the window frame and opening. This involves removing the old window, including the glass, sash, and any exterior or interior stops and trims. Use tools such as a utility knife, pry bar, putty knife, or an oscillating saw to carefully remove these components. Ensure you follow safety precautions when handling glass to avoid injuries.

Take Precise Measurements

Accurate measurements are critical for a successful installation. Measure the height and width of the pocket opening inside the existing frame. Take measurements at multiple points, including the left, middle, and right for height, and the top, middle, and bottom for width. Use the smallest height and width measurements when ordering your new window to ensure a proper fit.

Order the Correct Window Size

Based on the measurements taken, order a window that matches the dimensions of the pocket opening. It is crucial to get the right size window to avoid installation issues. The window should fit snugly within the existing frame.

Prepare the New Window

Dry-fit the new window to mark its outline and identify any high points on the stucco that need to be removed for a flush fit. Apply a high-quality sealant to the sill strip and the outside face of the existing frame to prevent leaks. Leave weep holes open to vent any moisture and avoid mould issues.

Install a Wooden Sill Strip

Lay down a wooden sill strip, such as a plywood strip, to provide a continuous and flat surface for the new window to rest on. This helps eliminate sagging and ensures a level installation. The strip should be thick enough to fill the gap between the sill and the existing frame, up to a maximum of 1/4" thicker.

Place and Secure the New Window

With assistance, place the new window relatively centred in the opening. Drill holes through the frame on each side, about 4" from the top and bottom, and secure the window with screws. Position the screws in the inside track of the operable (sliding) sash, avoiding the bottom or sill of the window. Tighten the screws just enough to hold the window in place, being careful not to distort the frame.

Finalize the Installation

Complete the installation by caulking around the window to seal any remaining gaps and provide a clean finish. Ensure the caulk is of good quality and suitable for outdoor use. Additionally, consider using PVC or G8 coil to wrap the exterior of the window for a consistent colour and enhanced durability.

Remember, each installation is unique, and it is recommended to refer to the manufacturer's instructions for specific guidance on installing your particular window model.

Frequently asked questions

First, remove the moveable panel by opening the window, lifting the panel, and pulling the bottom towards you. Next, remove the vertical bar that holds the fixed panel by carefully tapping it out. Then, slide the fixed panel towards the opening and lift it out. Lay down a wooden sill strip to give the new window sill a continuous, flat surface to rest on. Finally, install the new window and secure it with screws.

You will need a deglazing tool or a pizza cutter to cut the silicone around the inside perimeter. You may also want a suction cup to help remove the glass.

It is recommended that you get the correct measurements from a glass company. However, you can also measure the old glass and order a new insulating glass unit (IGU) from a glass shop.

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