Window Sash Repairs

The majority of homeowners don’t think too much about window sashes — as long as they can be closed and opened, they keep outside air out and the interior air in. As time passes windows sashes become worn out and lead to air leaks, drafts or even stuck sashes.

With a sash propped on a DIY easel, the author works glazing points into gaps. He also scrapes paint off and then applies a wood preservative on the frame.

Sash Weights

If your windows are not opening and closing smoothly, or are stuck, a faulty counterbalancing system could be the reason. It could be caused by an ailing or damaged sash chain or a loose or misaligned weight, or a damaged or damaged pulley.

The sash weights are small boxes made of cast iron, that support the sash and support the counter-weight system in the window. They are found in the bottom rails of each window frame, covered by a wooden access panel that can be removed to reveal their whereabouts. The panels can be removed to allow access to the sash weight pockets to clean, repair or replace them.

You may have problems with the sashweights if had your sash windows long enough. They may lean or catch. This can be caused by the weights being too heavy (they are supposed to be a little heavier than the top sash) or because they were installed incorrectly (some people have disabled their weight systems by cutting them off and taking the weights out to save money or turning them in for scrap metal).

To resolve this issue, remove the stops (the trim that runs along the inside of the window at the point that it joins with the frame to hold it in place). Place them aside. It is important to do this with care so as not to harm the shape of the two rails. Then, you can use a hammer for separating the rails and stiles, and then inspect them for damage.

After you’ve checked the rails and stiles, lay down a few dust sheets and begin working on the sash itself. Begin by removing the wood pegs with a pin-punch and hammer or screwdriver from the mortise-and tenon joints. Once the pegs are gone, you can begin disassembling the sash by taking out the sash stop moldings and removing any sash cord knots in place, and finally, taking the sash off itself.

Next you will want to weigh the sash and determine how much weight is needed for the proper functioning. You can buy vintage replacement sash windows cost sashweights online or in some home improvement stores. Be sure to purchase the correct size to avoid under or over-weighing the sash.

Sash Cords

Sash cords that are worn or damaged can cause sash window issues. The weights put constant pressure on the sash’s cords which can cause them to break over time. If the cords break, sashes won’t be able to open and close easily. The issue could be caused by excessive force, ageing or a lack of maintenance or moisture buildup. During window sash repairs it is crucial to replace the old cords with new ones that are made of materials that last and resist moisture.

Begin by removing the interior stops, the thin pieces of wood that hold the sashes in place, using a knife or a the chisel. Pry the stops from the sashes with care, and keep an eye out for any broken or cracked ones. Once the stops are removed, you will be able to access the sash’s weights by using an access panel cut into frame’s bottom or by opening the jamb and taking off the cover that covers the weight pocket.

Accessing the timber sash windows cords takes some extra effort however it’s not too difficult with the right tools and perseverance. Get rid of the old cords first by cutting them in their knots, then pulling them out. Remove the sash and place it aside. Pull down the staff bead. This is the nail that holds the sash in its place. Install a nail of about a foot into the hole. This will hold the sash on its place while you string counterweights.

After reinstalling the upper sash, reattach the sash cords and make sure the sashes are in a balanced position and move smoothly. Install the lower sash and repeat the procedure. Make sure that the sashes have been properly set and are moving in a smooth manner.

Once you’ve completed installing counterweights, connect the sash cords, by inserting an sash cord into the pulleys and then threading the cord’s other end through a knot hole in the sash to secure it in the correct position. Repeat the procedure for each side of the sash until all cords have been replaced and the sashes are functioning normal.

Air leaks and drafts

Over time, the materials that seal sash windows to your frame of your home deteriorate, resulting in drafts and loss of energy. A thorough inspection will reveal the trouble spots and help you decide on your window sash repairs options. Your comfort level and skill level will determine if you can manage yourself or require assistance from a professional for window sash repair. The scope of work required is also affected by the historic status of the property and its structural integrity.

If cold air is able to enter through a drafty window, your furnace is forced to perform overtime to keep your house warm. This inefficiency can eat into your heating bills and compromises the effectiveness of your HVAC system. Drafts can also affect the quality of air inside and disrupt indoor comfort by the infiltration of allergens, pollutants and humidity from outside.

A drafty window can be identified by the sensation of cold air rushing into the room, even if all doors and windows are closed. Other tell-tale signs include an increase in the temperature of your room close to the casement window sash and condensation on the frame or sill.

Repairing drafty windows is a an easy task that will reduce your energy bills and increase comfort inside. The first step is to examine the exterior of the window. Check for areas of bare caulking or broken wood which exposes the window to cold air.

Examine the interface of the sash with the frame. This includes the parting bead and the staff bead. Examine the condition of weather stripping at these points (felt strips or tape) to determine if they are intact and functional. If not, it’s time to be replaced.

Then, think about the condition of glazing putty, a hard putty that keeps panes of glass in place. Check for cracks and crumbling that can expose the sash’s surface moisture. This can lead to problems with mold and damage to the glass.

Apply a fresh layer of glazing putty to the inside of the window to fix the problem. To secure the glazing points make use of a flat-bladed screwdriver push them into place. Wrap a piece of fabric and then foam around each point. This will act as an insulation against cold air.

Aesthetics

Window repair to sash can give old windows a fresh new look with less expense than an entire window replacement sash windows. A complete window replacement could be a costly and time-consuming project, especially for older homes. Repairing window sashes is a great way to restore the original beauty of a home and value.

It is crucial to keep an eye on the condition and wear of window sashes in order to avoid major problems. It is recommended to speak with a professional if you are not sure if your windows require repair. A sash repair can be much cheaper than replacing the entire window and can also save you money on energy costs.

First, lower the upper sash down to the bottom. This is usually easy and allows you to observe the “parting beads”, which are the grooved bits on the rails at the junction which keep the two sliding sashes separated. These can be removed with a blade from the small pry-bar or putty knife. They are typically nailed into place and painted, so you must be careful not damage them or the sliding sash.

After you’ve removed your parting beads, the next step is to take off the pocket covers. These are tiny pieces of wood that are screwed to the frame at the bottom. They permit access to the sashweights. After the nails are removed then you can move the sash upwards and downwards to ensure it moves in a smooth manner.

If it’s not, there might be a problem with the counterweights, or the sash cords. After you’ve inspected them all, you can fix them if necessary.

Wooden windows look beautiful and natural. They are a great fit with modern or traditional interiors. The staining and painting options are endless. However, wooden windows do require regular maintenance to avoid damage and decay.