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Sash Window Repair

Sash windows offer an elegant style to any home. They can become drafty and problematic as they age. Sash window repair is a great method to increase the functionality and maintain the original look of your windows.

The first step in sash window repair is to remove the "pocket covers". These are small pieces of wood that sit low on the frame and let the weights in.

Sashes damaged by abrasions

If your sash window is damaged or leaking it is necessary to do more that just patch the surface. You'll save money by doing an extensive repair, particularly if your home is old and has poor insulation. Here are some common problems with sash windows and how to repair them:

Stuck Issues

If the sash isn't fitted well within the frame it may be difficult to open or close the window. This could result in rattling sounds and allow drafts into your home.

To repair this, you can use a utility knife to score and then cut away the paint line from the inside side of your sash. Be careful not damage the wood. Then, you'll want to apply a sash oil that will allow it to move more smoothly.

Broken Sash Cords

Some old double-hung sashes are made of metal or cotton supporting the weights used to lift and lower the sashes. As time passes, these cords may break, making it impossible to lift or hold the sash up. To fix this, follow these steps:

Pull the sash to the right and take it off the frame. Cut the cord in the middle of the sash and remove any nails sticking out of the end. Remove the nail using needle-nose pliers and then reinsert it into the side channel. Tuck the knot in the the hole and secure it with an nail set.

Install the staff beads and put them back in the sash. Make sure you leave enough slack on the cords to ensure proper operation. Last but not least, put back the balances and counterweights. To lessen the chance of draughts, a small amount of decorators caulk can be placed between the staff bead and box.

After the frame and sash are completely repaired, you can bed them in glazing putty. Glazing putty can be made by mixing chalk and linseed. Mix with enough chalk to make the putty usable and not stick to your fingers. Allow the putty to dry completely before applying the sash back and painting the frame.

Broken sash cords

Old double-hung (two sashes) windows are made of cotton cords or metal chains connected to counterweights that support and keep the sashes level within the window jamb. As time passes, the chains may break, preventing the sashes from opening and closing, making it difficult to lower or raise the window. The cords for sashes can be replaced in less than an hours.

Remove the staff bead which is what separates the upper and lower sashes. A nail is typically driven through the knot, and then into the side of the sash casing to hold the bead in place but you should be in a position to remove it using needle-nose pliers. Remove any rusty nails from the stop beads and scrub off any paint, caulk and old cord residue around the groove of the sash.

To open the window, pull on one of the cords that runs through the sliding sash windows to lift it up. When you've pulled the cord as far as it will be, mark the cord with a pencil and then cut it to length using an utility knife. Once you're done, make sure that the new cord is in alignment with the groove on the sash. Also, tie it to the sash using a knot.

If the sash is too high to move then you can use your sharp side cutters to cut off and remove the old cords. After the sash is freed, you will need to remove the access panels inside the sash channels in order to expose the pulley system and counterweights. If the window has been painted, you will need to score the seams using either a hammer or chisel, to take off the panel without damaging it.

Once you've removed your access panel, you'll see the two sash weights made of cast iron inside each pocket. Remove the weights on the back and front and tie the sash cords to the weights using self-tightening knot. After tying the new cords, you'll need reconnect the sash weights and reset the pulley system so that it works correctly.

Drafts

Sash windows add a bit of historical charm to older homes, however, they also pose issues with their maintenance. They can be difficult or even impossible to shut and open with a smooth, quiet operation. They can also be rattled by breeze, and allowing drafts through. These issues are often caused by painted or swollen wood or sash cords that are rotten. There are a number of simple and cost-effective methods to correct these issues and keep your sash window locks with key window working effectively.

Disassembling an old sash is the initial step in repairing it. Remove the sash, and frame, and check whether all parts are in good order. Sand the wood to make it look better and stop drafts. A small amount of silicone or wax can make the sash slide more easily. If the sash remains stuck using a utility knife, you can use it to cut any paint layers. A new set of tilt pins can enhance the window's performance.

A sash window works by compensating the weight of the glass using weights passed over a pulley mechanism. These weights are typically cast iron and can be accessed from an access panel or pocket cover that is located within the lining of the box of the window frame. To prevent the weights from colliding, the dividing strip is suspended within the frame to ensure that they do not collide.

It isn't easy to access these weights, since the sash's upper part can be painted shut and fixed with nails. If you are cautious and patient, you can take the sash off by using a pair of bar clamps spread apart. It might take a few jiggling and tapping to get it free, but once you have it out, be sure to check the sash cord and replace it with new rope (not cotton) if necessary.

While you're at it you can also replace the sash balance to make it easier to open and close. Replacing the balance of a double-hung sash is a lot easier than it is and you can do it yourself with the proper tools and replacement kit.

Rotten sill

Eventually, old timbers will become damaged and even the best-maintained windows made of sash will begin to show signs of decay. If the rot is only affecting the sill of the window, it might be possible to fix it. If the rot has spread to the frame and even into the interior, and damaged structural components it could be time to replace the window.

If you have a rotten sill, it's important to replace it before it causes further damage to your window. The first step is to remove the old sill plates and studs. If the studs are load bearing, you may need to put in temporary supports. After removing the sill and washing off any remaining paint from the sill plate. When the sill is clean, replace it with a new board and attach it to the studs.

A stained sill is not just unsightly, it can cause costly repairs in the near future. It can, for example cause the sash that is hard to see to see, to move. This could lead to cracks, bows or damaged glass pane. In addition, a rotten sill can allow water to get into the wall which can cause mold and other issues.

Replacing a damaged or rotting sill isn't as difficult as it sounds. To prevent rot you must keep the window free of debris and dirt. You should also apply a sealant on the window frames to protect them from moisture. You can also utilize a humidifier to control the moisture in your home. This will prevent wooden double glazed sash windows sashes from forming or swelling.

Sashes that stick are a common issue with windows made of sash. This issue can be fixed by applying a small amount silicone or wax to the tracks of your windows. This will help them slide more easily. If the sashes are stuck due to paint buildup, you can employ a utility knife to cut through the layers of paint and release the sashes.

Reinstalling the bead that is parting is another method to repair a sash that is stuck. If the sash is stuck, you could consider draught-proofing it. This process involves placing a rubber strip in the gaps between the sash and frame that reduces air flow and enhances the acoustic quality of your window.