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Window Sash Repairs

Sashes for windows must be checked regularly for mold, mildew and other damage. You can save future repair costs by catching these issues early on, before they become out of control.

The sash is the internal frame that is vertically moved either up or down in windows that are open. This article will teach you how to carry out a few simple repairs to sash.

Weather Stripping

Wood window sashes add a classic aesthetic to your home. When properly maintained, they can last for a long time. They may, however, become damaged or degraded with time due to exposure or normal wear. Sash repair experts can restore windows back to their original condition and maintain their appearance longer than replacement windows.

Weather stripping is the most important thing to address when repairing sash windows. It is located on both the frame and sash. It could cause drafts if worn or loose. Start by identifying the window brand and the glass manufacturer's date (etched on the glass's corners or the aluminum spacers between panes). Then, remove the sash and mark its height and width to find the appropriate weather stripping replacement to match.

Then, take the sash from its holder and place it on flat surfaces to allow you to access all four sides. If your sash is double-hung, you'll have to remove the weights and their ropes that should have fallen into the intended pocket in the jamb liner. After you have removed the sash using the utility knife, remove the weather stripping that was left by hand or using a putty knife.

After the sash has been cleared, you can install parting stops. These are long pieces that separate the sashes. Pam likes to replace them with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard, but you can also replace them with scrap wood.

After removing the stopper for the parting and cutting it to length and then apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound with your putty knife, and then let it dry for at least a day. Once the putty has fully cured, you can apply a topcoat of acrylic latex. This coating will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports window sashes susceptible to wear and tear from age and use, and the result can be a door or window that can't be opened or closed easily. The good news is that repairing and replacing this hardware is typically relatively easy and affordable. If you're having difficulty opening a sash spray some grease into the jamb channel. Then, slide the sash up and open to see if that fixes the issue. If the issue continues, it is most likely that the sash balance is off. It is necessary to take off the window sash to get access to this part of the hardware.

The ideal situation is for window sashes to move open and shut with minimal effort but this is a difficult task if the weights become worn or if the sash that joins rail isn't properly coated. This issue can be caused by a number of reasons, such as lack of maintenance or by a mismatched weight rating for the particular sash.

If the hinges on a window begin to sag this could cause the sash to drag, and then eventually to hit the frame in the opposite corner (Photo 1). To fix the problem ensure that the sash is in the proper position within the frame's opening and take it off. If the sash is secured to the hinge arm, you'll need to remove the hinge arm and replace it (Photo 2). Install the new sash (Photo 3).

Old windows, especially those in older houses, can be difficult to open and close due to sagging hinges and general lack of energy efficiency. In many instances, a few easy repairs can turn these windows into smooth operation and save homeowners money on energy costs.

It is important to have the tools you require before you begin. Begin by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will allow you to get the channel back into position correctly after you've completed. Remove the sash and take off the hardware, including the parting beads (Photo 2) and the cords or chains that hold it in place. Soften any hardened putty using an electric heat gun set to medium and equipped with an shield for the nozzle. Take off the old sash and put it in a bag that is labeled.

Sash Weights

Whether your window sash repairs are to replace a broken cord or simply to keep your windows functioning by replacing worn out weights on sash can improve sash operation and cut down on the energy cost. Sash weights consist of heavy iron or lead cylinders that are enclosed inside a concealed cavity, and connected by ropes to the movable window sash. They function as counterbalances, which allows you to open and shut the window without requiring mechanical or electrical devices. The sash weights are usually neglected or ignored by homeowners and turned into scrap when they fail. Consequently you may have to locate replacements.

It's not easy to retrieve the sash-weight that fell from the cavity, so you'll want to find one that fits correctly. You will also require a new piece of string, a length of sash cord and some sash pulleys that will tie the new sash weights onto the sash cord.

Mortise and Tenon joints are used to join older wood windows. The wood pegs that keep the components together can be removed using pin punches and hammers. Most of them have an enormous diameter on one side and a smaller diameter on the other side, so it is essential to remove the smaller-diameter ones first. Sashes that were made later in the century utilized glue instead of pegs and can be separated by cutting the glue line using a knife, then tapping the mortised part loose using a mallet.

After the sash is released, you can remove sash stops and access the weight pockets. This is usually done via tiny holes at the bottom of each jamb. The hole is then covered with the wooden panel which can be removed to reveal the inside workings.

Once the sash is stopped and the access panel has been removed, you can remove the weight that was previously installed and replace it. First, Window Sash Repairs weigh the sash because the weights you have may not be of the right size. Once the new weight is installed, run a string through the sash pulling mechanism. Then, you can attach the string to the boxed frame. Leave a few inches protruding at the head of the string to allow for future adjustments.

Sash Cords

Most old double glazed window repair-hung windows come with a chain or cord connected to the weights that helps keep the sashes in balance in the jamb. Over time, these chains may become damaged and render it impossible to raise upvc windows repair. A new sash cable will restore the ability to raise and lower the sash, and keep it in position when opened.

To replace sash cords the first step is to remove the access panels from the jambs. They are usually nailed or screwed in and will need to be removed or moved. It is possible to remove them with the hammer or chisel but it is always better to lay out dust sheets before beginning any work.

After the access panel has been removed, you can start working on the sash. Utilize a flat bar or chisel to pry the small partsing beads out of their grooves. These are often wedged in or nailed but can be removed, so it's worth taking your time. If the sash remains in place, pry out the mortise and the tenon joints by using the help of a hammer and pin or screwdriver, Window Sash Repairs and then take out the wood pegs attached to each piece. It should now be possible to move the sash around without difficulty, though it might require oil if it feels stiff.

Take a measurement of the length of sash chain/sash cord required to reach the sash slot on the bottom, and the pulley located at the top of the jamb. Cut the cord or chain and then attach it as described in the step 6 above. You can either employ a hammer, screws or nails, however nails are less likely to cause damage.

It is best to keep the original weights if you have purchased a kit that will replace the counterbalance. They're not costly and are easy to install if you purchase them from architectural salvage stores. Depending on the size of your window two or three sash weights could be needed to keep it in an open position.