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Sash Window Repair

Sash windows add a touch of class to any home. However, they can also be drafty and difficult to clean due to wear and age. Sash window repair is a great option to increase the functionality and maintain the original beauty of your windows.

The first step in sash window repair is to take off the "pocket covers". These are bits of wood that are placed low on the frame, which allow access to the weights.

Damaged sashes

If your windows' sash are damaged or leaky it is necessary to go beyond patch the surface. You'll save money by performing an extensive repair, particularly if your home is older and has poor insulation. Here are some common problems with sash windows and the best way to repair them:

Stuck Issues

It can be difficult to close or open the window if the sash does not fit snugly into the frame. This can cause rattling sounds and let drafts in your home.

To fix this, use an utility knife to score and then cut away the paint line from the inside side of your sash. Be careful not to damage the wood. After that, you'll need apply a sash grease which will allow it to move more smoothly.

Broken Sash Cords

Some double-hung sashes that are old have metal or cotton cords supporting the weights used to lift and lower the sashes. Over time, these cords can break, rendering it impossible to lift or keep the sash up. To fix this issue, follow these steps:

Pull the sash to the right and remove it from the frame. Cut the cord in the middle of the sash and remove any nails sticking out from the end. With needle-nosed pliers, take out the nail and then insert it into the side channel. Tuck the knot in the cord into the hole and secure it with the nail set.

Re-install the sash and then install the staff beads. Be sure to leave enough slack in the cords to allow for proper operation. Reinstall the balances and counterweights. Decorators caulk is a great way to prevent draughts. Apply a small amount between the bead box for staff.

secondary glazing sash window putty can be used to fix the mock sash upvc windows after it has been repaired. Glazing putty is usually made of linseed oil and chalk. Mix in enough of the chalk to make it workable and not to stick to your hands. Let the putty dry completely before reinstalling the sash, or painting the frame.

Broken sash cords

To balance and support the sashes of old double-hung windows (two sashes) cotton cords or chains are attached to the counterweights. Over time, the chains could break and block the sashes from opening and close. This makes it difficult to raise the window or lower it. Replacing the sash's cords is a simple home repair that can fix these problems in a matter of less than an hour.

Take off the staff bead, which divides the upper and lower sashes. You can take the bead off using needle-nose pliers. A nail is inserted through the knot and into the casing of the sash to hold it in place. Remove any nails that are rusty from the stop beads, and then clean off paint, caulk, and old cord residue around the sash groove.

To open the window pull one of the cords that run through the sash. When you've pulled the cord as far as it can go then mark the cord with a pencil and then cut it to length using a utility knife. When you finish, make sure the new cord matches with the groove in the sash and is secured to the sash frame with a knot.

If the sash isn't moving you can cut the cords using your side cutters. After the sash is freed, you will have to remove the access panels in the sash channels to expose the pulley system and counterweights. If the window is painted you may need to score the seams with the hammer and chisel in order to remove the access panel without damaging the paint.

After removing the access panel you will find two cast-iron sashweights inside each pocket. Remove the weights from the front and back and tie the sash cords to the weights with a self tightening knot. After you have tied the new cords, you can reattach the sashweights and reset the system to work properly.

Drafts

Sash windows add a touch of historical charm to older homes, but they also pose issues with their maintenance. They are often difficult or impossible to close and open with a smooth, quiet operation. They can also be rattled by wind, and letting drafts through. These issues are usually caused by the swelling of wood, paint buildup or sash cords that have become rotted. There are many easy and cost-effective ways to fix these issues and keep your windows operating effectively.

Disassembling an old sash is a first step in repairing it. Remove the sash and the frame, and ensure that all components are in good condition. Sand the wood to make it appear better and stop drafts. A small amount of silicone spray or wax can help the sash glide more easily. If the sash remains stuck, use an utility knife to cut any paint layers. A new set of tilt pins can enhance the window's performance.

Weights are pushed across pulleys in order to balance the weight of windows with sash. These weights are usually cast iron and are reached via an access panel or pocket cover inside the inner box lining of the window frame. A dividing strip is inserted within the window frame to stop the weights from colliding.

It isn't easy to access these weights, because the sash on top can be sprayed shut and put in place. However, if you are patient and careful you can easily remove the sash with bar clamps that are reversed and break apart, allowing it out of its groove in the meeting rail. You may have to tap and jiggle it to free it but once it's free, inspect the sash and replace it if necessary with a new rope.

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

Rotten sill

Over time, old timbers deteriorate and even the best-maintained windows made of sash will begin to exhibit signs of rot. If the rot is only affecting the sill of the window, it could be possible to fix it. If the rot has gotten into the frame and even into the interior, and has damaged structural parts it could be time to replace the window.

It is important to replace a rotten window sill before it causes more damage to the window. The first step is to remove the old sill plates and studs. You may have to install temporary support if the studs are weight-bearing. After you have removed the sill, take off any remaining paint on the sill plate. Once the sill is clean then replace it with a brand new board and nail it to the studs.

A stained sill is not only unsightly, it can also lead to expensive repairs in the future. It could, for instance, cause the sash, which is hard to spot, to shift. This can lead to cracks, bows or damaged glass pane. In addition, a rotten sill can allow water to get into the wall, which could cause mold and other issues.

It's not as difficult as it seems to replace a rotten sill. To stop rot, you must keep the window free of debris and dirt. You should also apply a protective seal to the window frames to shield them from moisture. Additionally, you should utilize a dehumidifier to control moisture levels in your home. This can stop wooden sashes from swelling or sagging.

Sash windows are often plagued by sashes that have become stuck. To get them out of the way it is possible to apply small amounts of wax or silicone spray to the tracks of your windows to allow them to slide more easily. If the sashes have become stuck due to paint buildup you can use an utility knife to cut through the paint layers and free the sashes.

Reinstalling the bead that is parting is another option to fix a stuck sash. If the sash is stuck, you can try draught-proofing the sash window locks with key. This is done by placing an insulating strip of rubber in the gaps between the frame and the sash which decreases air flow and enhances the acoustic performance of the window.