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Window Sash Repairs

Check the windows sashes regularly for damage, mildew, and mold. By catching problems before they become serious, you can save money on future upvc repairs.

The sash is an inside frame that is able to move vertically up and down in windows that are open. This article will teach you how to make several simple repairs to sash.

Weather Stripping

Wooden window sashes are a great way to add a classic look to your home. They are also durable and can last many years provided they are properly maintained. They may, however, become damaged or degraded with time due to exposure or normal wear. Sash repair doors specialists can restore windows back to their original condition and maintain their appearance longer than replacement windows.

Weather stripping is the primary thing to address when repairing sash windows. It is located on both the frame and the sash. If it's loose or worn out, it can cause drafts and other problems. Start by identifying the window's brand and the date of manufacture for the glass (etched on the corner of the glass or on the aluminum spacers between panes). Take the sash off, and mark its width and height so you can purchase replacement weather stripping that matches.

Then, remove the sash from its holder and place it on flat surfaces to allow you to see all four sides. If your sash has a double-hung, you'll have to remove the weights as well as their accompanying ropes which should have slipped into the intended pocket in the jamb liner. After you've removed the sash and the weights, use a utility knife to cut away the old weather stripping at the corners. Then, take it off by hand or using a putty blade.

After the sash has been cleaned, you can replace the parting stops. These are long pieces of wood that divide the two sashes. Pam likes to replace them with standard 1/2-inch by 3/4-inch window trim from the lumberyard, however you can also replace them with a piece of scrap wood.

After removing the parting stop and trimming it to length, apply a thin coat of glazing compound on the bottom of the sash. Smooth it out using your putty knife and let it dry for at least a day. When it's completely dried then apply a top coat of acrylic latex paint. This will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports the windows sashes can become worn out over time and use. This could result in a door or a window that is difficult to open or close. The good news is that fixing and replacing this hardware is generally very simple and cost-effective. If a sash is difficult to operate, try spraying some lubrication into the jamb channel, and then open it to see if this fixes the problem. If the issue continues, it is most likely that the sash balance is off. You will need remove the window sash to reach this hardware.

The ideal situation is for window sashes to move open and shut with minimal effort however, this can be a difficult task when the weights wear out or if the sash's meeting rail isn't properly glazed. This problem can be caused by a variety of things, such as insufficient maintenance or the wrong weight rating for the particular sash.

If the hinges on windows begin to slide, this could cause the sash to drag and eventually hit against the frame in the opposite corner (Photo 1). To remedy the issue ensure that the sash is centered in the frame opening and then take it off. If the sash is screwed to the hinge arm, you'll need to unscrew the hinge arm and replace it (Photo 2). Then, put in the new sash (Photo 3).

Old windows, particularly those in older homes, can be difficult to open and close, because of sagging hinges and a general lack of energy efficiency. In many cases it is a matter of making a few minor adjustments that can make these windows operate smoothly once more and help homeowners save money on their energy bills.

In order to make these sash repairs, it's important to have all the tools needed before you begin. Start by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will help you get the channel back in position correctly after you've completed. Take the sash off and then remove all hardware, including the beads for parting cords, chains, and cords that help to hold the sash windows repair. Soften any putty that has been hardened with an electric heat gun set to medium and equipped with an shield to block the nozzle. Remove 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 ensure that the windows are functional by replacing worn out weights on sash can improve sash operation and cut down on energy costs. Sash weights are hefty lead or iron cylinders, which are enclosed in a concealed cavity and connected to the movable the sash with a rope. These weights function as counterbalances and allow you to open and close the window without requiring mechanical or electrical devices. The sash weights are usually neglected or ignored by homeowners and then turned into scrap when they fail. Consequently you may have to locate replacements.

A weight in a sash that has fallen out of the cavity is difficult to recover, so you will want to locate a new one that fits correctly. You will also require a fresh piece of string, a length of sashcord and some sashpulleys to tie the weights you are replacing to the cord.

Older windows made of wood are joined by mortise and tenon joints. The wood pegs that hold the components together can be removed by the use of a pin punch and hammer. The majority of these pegs are large on one side and smaller on the other. It is crucial to first remove the smaller diameter sides. Sashes that were made later in the century utilized glue instead of pegs. They can be separated by cutting the glue line using an instrument, and then tapping the mortised part loose using mallets.

Once the sash is freed then you can take out the sash stop and access the weight pocket. This is typically done by drilling an opening at the bottom of each jamb. This hole is then covered by an access panel of wood that can be ripped off to let you view the inside of the frame.

After the sash has been stopped and the access panel is removed, you can take off the old weight and replace it. Make sure you weigh the sash prior to you do this, as the weights that were previously used may be different sizes than the one you need. Once the new weight is installed, run an appropriate length of string through the pulling mechanism. Then, you can nail the string to the frame, leaving a few inches of string sticking out from the head to allow for future adjustments.

Sash Cords

In the majority of double-hung windows, a cord or chain is attached to the weights. This keeps the sashes of the jamb in a balanced manner. Over time, these chains can become damaged and make it impossible to raise the windows. A new sash cord can restore the ability to move the sash up and down and hold it in place when it is opened.

The first step in replacing cords for sash is to locate and remove the access panels in the jambs. They are usually nailed or screwed in and must be removed or moved. It is possible to remove them using an axe or hammer, but it is always better to lay out dust sheets before beginning any work.

After you have removed the access panel, you can begin working on the sash. Utilize a flat bar, or chisel to pry the narrow parting beads out of their grooves. They are typically wedged into or nailed in, but they can be snipped out which is why it's worth your time here. If the sash is still in place, remove the mortise and the tenon joints by using pin punch and hammer or screwdriver, then remove the wood pegs on each component. The sash should be able to move freely, however it might require some lubrication to feel less stiff.

Measure the length of the sash chain or sash cord required to reach the sash slot on the bottom from the pulley located at the top of the jamb. Cut the cord or chain and attach it as described in Step 6 above. You can do this with nail, hammer or screws. However, nails are less likely than screws to cause damage.

If you don't have an upgrade kit to replace the old counterbalance system it's best to keep the original weights for balancing in place. It's not too expensive to purchase them from architectural salvage stores and they'll be easy to install once you have the sash opened. Depending on the size of your window one or two sashweights might be required to keep the sash in an open position.