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Sash Window Repair

Sash windows add a touch class to any home. They can become drafty and problematic as they age. Sash window repair is a great way to improve functionality while maintaining the original look of your windows.

The first step in sash window repair is to remove 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 sash window has been damaged or leaks or leaking, you'll need to do more that just patch the surface. A more thorough repair job will save you money in the long run, particularly in the case of an older home with poor insulation. Here are some common problems with sash windows and the best way to repair them:

Problems with Sticking

It is difficult to close or open the window if the sash does not fit snugly into the frame. This could cause a rattling sound and let drafts in your home.

To solve this issue, use an utility knife to score and cut off the paint line from the interior side of your sash. Be careful not to scratch the wood. You'll then need to apply a sash oil, which will allow it to move smoothly.

Broken Sash Cords

In some cases, old double-hung sashes utilize metal or cotton cords to support the weights that lift and lower the sashes. Over time, the cords can break, making it impossible to raise or keep the sash up. To fix this issue, follow these steps:

Remove the frame from the sash and pull it to the right until it is completely open. Pull the cord from the bottom of the sash. Cut it, and then remove any nails that are protruding from the end. With needle-nosed pliers, remove the nail and then insert it into the side channel. Tuck the cord knot into the hole, and secure it using the nail set.

Install the beads for staff and reinstall the sliding sash window. Be sure to leave plenty of space on the cords to ensure the proper operation. Install the counterweights and balances. Decorators caulk is a great way to prevent the risk of draughts. Apply small amounts between the staff bead box.

When the frame and sash are completely repaired, you can bed them in glazing putty. Glazing putty is typically made from linseed oil as well as chalk. Mix in enough of the chalk to make it workable, and not to stick to your hands. Let the putty completely dry before reinstalling the sash and painting the frame.

Broken sash cords

To support and balance the sashes in old double-hung windows (two sashes), chains or cotton cords are affixed to counterweights. As time passes, the cords could break, which stops the sashes from opening and closing and makes it difficult to raise or lower the window. The cords of the sash can be replaced in less than a few hours.

Remove the staff bead which divides the upper and lower sashes. A nail is typically driven through the knot, and then into the sash's casing to keep the bead in place, but you should be able to pull it free by using needle-nose pliers. Remove any rusty nail from the stop beads and then clean the caulk, old cord residue, and paint around the groove of the sash.

To open the window pull one of the cords through the sash style double glazed windows. Once you've pulled it to the maximum extent it can be make a mark on the cord using pencil, and then cut it into length with an utility knife. When you're done, be sure that the new cord is in alignment with the groove of the sash. Also, tie it to the sash using the knot.

If the sash isn't moving, cut the cords using side cutters. Once the sash has been removed it is necessary to remove the access panel in the sash channel, which will expose the pockets for sash weights, the counterweights, and the pulley system. If the window is painted, you may have to cut the seams using an axe and chisel to remove the access panel without damaging the paint.

After you have removed the access panel you will see two cast-iron sashweights in each pocket. Take the one on the back and the other on the front. Then, tie each sash cord to a weight with a self-tightening knot. After you've tied the new cords, reattach the sashweights, and then reset the system to work correctly.

Drafts

Sash windows add a bit of history to older homes, but they also present maintenance challenges. They can be difficult to open and close and rattle in the wind, and let drafts in. These issues are usually caused by swollen wood or paint buildup, or sash cords that have rotted. There are a variety of easy and cost-effective ways to fix these problems and keep your sash window functioning properly.

The first step in repairing an old sash window is to disassemble it. Take off the sash and frame and make sure all parts are in good condition. Then, sand down the wood to enhance its appearance and to prevent draughts. A small amount of silicone spray or wax can make the sash window replacement move more easily. If the sash is still stuck, use a utility knife to cut through any paint layers to release it. A new set of tilt-pins can enhance the window's performance.

Weights are pushed across a pulley system to counterbalance the weight of windows with sash. These weights, which are usually made of cast iron can be accessed via an access panel or pocket within the lining of the box sash windows. A dividing strip is put within the window frame to prevent the weights from colliding.

It can be difficult to get these weights out, because the sash on top can be sprayed shut and fixed with nails. If you are diligent and cautious, you can pull the sash out using a pair bar clamps that have been sliced apart. You may need to jiggle and tap to free it but once it's free examine the sash and replace it if necessary with new rope.

You can also change the balance of the sash to make it easier to open and shut the window. It's not as difficult as you think to change the balance of a double-hung window. You can do it yourself if you have the right tools and a replacement kit.

Rotten sill

Eventually, old timbers will become damaged and even the best-maintained sash windows will start to show signs of rot. If the rot only affects the sill of the window, it may be possible to repair it. If it has gotten into the frame and into the interior of the house and has damaged structural members it's likely the right time to replace it.

If you've found a decayed sill, it's important to replace it before it causes further damage to your window. The first step is removing the sill plates and studs. If the studs are load-bearing you may have to build temporary supports. After taking off the sill, clean any remaining paint on the sill plate. After cleaning the sill and replacing it with the new board and then nail it into the studs.

A stained sill is not just unsightly but it could cause costly repairs in the future. It could, for instance cause the sash that is hard to see to see, to move. This could lead to a cracked, bowed or damaged glass pane. A sill that is rotten may allow water to enter the wall and cause mold.

It's not as difficult as it appears to repair a sill that is rotten. To stop rot, you must keep the window clean and free of debris and dirt. Also, you should apply a sealant that is protective to the frames of your windows to shield them from moisture. Additionally, you should utilize a dehumidifier in order to control the humidity levels within your home, which will stop wooden sashes from swelling or sagging.

Sticky sashes are a frequent issue for windows with sash. To get them out of the way you can apply a small amount of wax or silicone spray onto the window tracks to help them slide more easily. If the sashes are stuck because of paint buildup, you can use an utility knife to slice through the paint layers and free the sashes.

Another way to solve a stuck sash is to replace the parting bead. If the sash lock door handles is sticking, you can also consider draught-proofing it. This process involves placing strips of rubber in the gaps between the sash and frame which decreases air flow and improves the acoustic performance of the window.