Window Sash Repairs

Most homeowners don't give much thought to window sashes as long as they're able to open and close and keep the air inside and the outside air out. But over time, they can begin to wear out, causing drafts, air leaks or even sashes that stick.

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

Sash Weights

If your windows are not opening and closing smoothly or are sluggish in a stuck position, a malfunctioning counterbalancing system could be the cause. This can occur due to a missing or damaged sash cord/chain or an unattached or misaligned sash weight, or a damaged pulley.

The sash weights are small boxes made of cast iron, that help support the sash and also support the counter-weight system in the window. The sash weights are located on the bottom rails of every window frame. They are protected by a wooden panel which can be removed to reveal their location. These panels can be removed to allow access to the sash-weight pockets to clean, repair or replace them.

If you've used sash windows for a period of time, it's likely that you have a problem with sash weights, which cause them to sag or catch. This can be caused by the weights being too heavy (they are supposed to be a bit heavier than the top sash) or by having them installed incorrectly (some people have disabled their weight systems by cutting them and taking the weights out to save money, or turning them into scrap metal).

To address this problem, first pull off the stops (the trim along the inner edges of the window that joins the frame and holds it in place) and set them aside. You'll need to do this with care so as not to damage the appearance of the overlapping rails. You can then use a hammer to separate the rails and stiles, and check them for damage.

After inspecting the rails and stiles of the sash secondary glazing, put dust sheets on the floor and begin working. Begin by taking the wood pegs out of the mortise and tenon joints using pins and a hammer or screwdriver. After removing the pegs you can begin disassembling the sash. Remove the stop moldings for sash and any sash windows refurbishment cords still in place.

The next step is to weigh the sash and determine how much weight is needed for the proper functioning. You can find vintage replacement sashweights online or in some home improvement stores. Be sure to purchase the right size to avoid over or under-weighting the sash.

Sash Cords

Sash cords that are worn out or damaged can cause sash window issues. Sash cords are under constant pressure from the weights which could cause them to break over time, particularly when they're not maintained properly. If the cords break, the sashes will no longer open and close easily. The problem may be caused by excessive force, ageing, lack of maintenance, or the accumulation of moisture. During window sash repairs it is essential to replace the old cords with new ones that are made from a material that will last and resist moisture.

Begin by removing the inner stop strips, thin wood strips that hold the sashes into their place with a utility knife and a Chisel. Carefully pry the stops off of the sashes, keeping an eye on cracks or broken. After removing the stops, you can gain access to the sashweights by opening up the jamb or taking out the weight pocket.

It may take a bit more work to reach the sash cords but with the right tools and a little bit of patience, it's not difficult. First, remove the old cords by cutting them near their knots and then pulling them out. Then, you can remove the sash from the frame and set it aside. Take off the staff bead, the nail that holds the sash in position. Install the nail about a foot in length into the hole. This will hold the sash in place as you finish stringing counterweights.

After reinstalling the upper sash, reattach the sash cords and ensure that the sashes are properly balanced and move smoothly. Reinstall the lower sash, and repeat the procedure. Check that the sashes have been properly set and are moving in a smooth manner.

Reattach the sash cables after you have put in the counterweights. Thread the cord through the pulleys, and then through the knot hole in the sash. Repeat this process for each side of the sash until the cords are replaced and the sashes are operating normally.

Air leaks and drafts

Over time, materials that connect your sash window to the frame of your home begin to degrade. This leads to drafts and energy losses. A thorough inspection can reveal problems and help you choose your window sash repair options. Your level of comfort and skill level will determine whether you are able to self-manage or require assistance from a professional for window sash repair. The scope of work is also affected by the history of the property's condition and structural strength.

If cold air is able to enter through a sluggish window, your furnace must work overtime to keep your house warm. This inefficiency can eat into your heating bills and compromises the efficiency of your HVAC system. Drafts can also reduce indoor air quality and cause discomfort in the home by bringing in allergens, pollutants and humidity from the outside.

A typical sign of a drafty windows is the sensation of cold air circulating through your home regardless of all windows and doors being closed. Other signs to be aware of are an increase in temperature close to the window, as well as condensation on the sill or frame.

Fixing drafty windows can be a simple task, which will reduce your energy bills and increase comfort inside. The first step is to look at the window's exterior. Check for areas of bare caulking or broken wood that exposes the window to cold air.

Examine the sash's connection to the frame including the parting beads and staff bead. Check the condition of the weather stripping (felt strips or foam tape) at these points to determine if they are intact and effective. If not, it needs to be replaced.

Finally, consider the state of glazing putty, which is a tough putty that keeps panes of glass in place. Look for cracks or crumbling that exposes the sash to moisture which can lead to mold issues and damage to the windows' glass.

Apply a fresh layer glazing putty on the inside of the window to correct the issue. To secure the glazing points, employ a screwdriver with a flat blade to push them into place. Then wrap a piece foam and a fabric around each point to form an insulation layer against cold air.

Aesthetics

Window sash repair can give older windows a fresh appearance for less than a complete window replacement. Particularly for those with older homes, a full replacement could be a huge project, and a substantial cost. Restoring window sashes is an excellent method to restore the beauty of your home and value.

It is important to be aware of the condition and wear of window sashes in order to avoid major problems. It's best to consult an expert if unsure if your windows need repair. A sash repair could be much less expensive 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 separate. They can be removed by a blade from small pry-bars or a putty-knife. They are usually fixed in place and painted, so be careful not to harm them or the sliding sash window locks sash.

After you've removed your parting beads, the next task is to remove the covers for your pockets. They are pieces of wood inside the frame, low down, which allow access to the sash weights. They are usually attached with nails. They can also be stuck with paint so you need be cautious. Once the nails are removed you can move the sash upwards and downwards in order to make sure it moves easily.

If it doesn't, it might be problems with the counterweights or Sash and case window Repairs cords. After you've inspected them all, you can repair them if needed.

Wooden windows look beautiful and natural. They blend in well with modern or traditional interiors. They can also be made to be highly customizable with a variety of colors and stain choices. Wooden windows require regular maintenance to prevent damage and rot.