Window Sash Repairs

Sashes for windows must be checked regularly for mold, mildew and other damage. By catching problems before they become serious you will save money on repairs in the future.

The sash is the internal framing that can be moved vertically upwards or downwards in windows that open. This article will teach you how to do easy repairs to your sash.

Weather Stripping

Wooden window sashes can add a classic look to your home. They are also sturdy and last for a long time when they are maintained properly. They can, however, double glazed window repairs get damaged or deteriorated over time, due to exposure and normal wear and tear. Fortunately, sash repair specialists can restore your windows back to their original condition and keep them looking fantastic for a longer period of time than replacement windows.

Weather stripping is the first issue to take care of when fixing sash windows. It's located on both the frame and the sash. It could cause drafts if worn or loose. To fix it, begin by finding your upvc window repairs brand and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Then, remove the sash and mark its height and width to find new weather stripping that matches.

Then, take the sash from the holder and place it on flat surfaces to allow you to access all four sides. If your sash has a double-hung, you'll also need to remove the weights as well as their ropes that should have fallen into the intended pocket in the jamb liner. Once you've removed the sash and the weights, use a utility knife to cut off the weather stripping that was formerly in place at the corners, then take it off by hand or using a putty blade.

Once the sash is clear it is time to replace the parting stops. These are long pieces wood that are used to separate the two sashes. Pam likes to replace them with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard, but you could also use a piece of scrap wood.

After removing the parting stop and cutting it to length, apply a thin coat of glazing compound over the bottom of the sash. Smooth the compound using your putty knife, and allow it to dry for at least one 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 new appearance.

Sash Hardware

The hardware that supports window sashes can wear out over time and with use. This could lead to windows or doors that is difficult to open or close. The good news is that repairing and replacing this hardware is generally quite simple and inexpensive. If a sash isn't easy to operate try spraying grease into the jamb channel, and then open it to see if it solves the issue. If the issue continues it's likely the sash balance. It is necessary to take off the window sash in order to access the hardware.

The ideal situation is for window sashes to be able to open and close with very little effort, but this is difficult when the weights are worn or if the sash that joins rail isn't properly glazed. This problem can be caused by a number of things, such as lack of maintenance or by the wrong weight rating for the specific window sash.

If the hinge arms of a window are beginning to sag, this can cause the sash to slide and eventually land on the frame in the corner in the opposite direction of the hinge arm (Photo 1). To remedy the issue, make sure that the sash is in the proper position within the frame's opening and remove it. If the sash is secured to the hinge arm, you'll have to remove the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).

Windows that are old, especially in older houses, can be difficult to close and open due to sagging hinges and an overall inefficiency. In many instances, a few minor repairs can turn these windows into smooth operation again and save the homeowner money on energy costs.

To make these sash repairs it is essential to have all the tools needed before you begin. Begin by marking the position of the hinge channel on the frame using a pencil (Photo 1). This will help you to place the channel in the correct location after you've completed. Remove the sash, and then remove the hardware including the beads that separate (Photo 2) and the chains or cords that hold it in place. The nozzle shield of the heat gun and a medium setting will soften any hardened putty. Remove the old sash, and keep it in a labeled bag.

Sash Weights

If your window sash repairs are to replace a damaged cord or to keep the windows functional by replacing worn out weights for sash will improve its operation and help reduce energy consumption. Sash weights are hefty lead or iron cylinders that are enclosed in a hidden cavity and connected to the movable sash by rope. These weights function as counterbalances and allow you to open and shut the window without having to use mechanical or electrical devices. The sash weights are often disregarded or disabled by homeowners, and are turned into scrap when they break; therefore, you may need 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 is suitable for the. You will also require a new piece string, a length sashcord and some sashpulleys to tie the new weights to the cord.

Older windows made of wood are joined with mortise and tenon joints. Pin punch and hammer can be used to cut off the wood pegs that hold the parts together. The majority of them are large on one side, but smaller on the other. It is crucial to first remove the smaller diameter sides. Sashes that were made later in the century made use of glue instead of pegs. They can be separated by cutting through the glue line with an instrument, and then tapping the mortised part loose with a mallet.

After the sash has been removed, you can remove the sash stop and access the weight pocket. Usually it is done by drilling a hole near the bottom of each jamb. This hole is covered by a wooden access panel which can be removed to let you see the inner workings of the frame.

After you have the sash stopped and the access panel removed, you will be able to remove the old sash weight and replace it with the new. Be sure to weigh the sash before you do this, since the weights that were previously used may be different sizes than what you require. After the new weight is in place you can tie a string around it and thread it through the pulley for the sash. Then attach the string to the frame, but only leave a few inches of string hanging from the head for future adjustments.

Sash Cords

Most double glazed window repairs-hung windows of the past have a cord or chain attached to the weights which supports and keeps the sashes level within the jamb. Over time, these cords could break, making it difficult to raise the window. A new sash cable will restore the ability to move and lower the sash, and keep it in place when it is opened.

To replace sash cords, the first step is to remove the access panels from the jambs. They are typically nailed or screwed in and will need to be removed or relocated. You may be able to use a hammer or chisel to remove them but it's best to lay down dust sheets prior to starting any work.

After you have removed the access panel, you can begin to work on the sash. Use a flat bar or chisel, to pry the tiny parting beads from their grooves. These are often wedged in or nailed, but they can be prised free and it's worth your time here. If the sash is still in place, remove the mortise and the tenon joints by using a hammer and pin punch or screwdriver, then remove the wood pegs that are on the components. The sash should move around freely now, however it may need some lubrication to make it feel less stiff.

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

It's best to leave the weights that came with the original counterbalance unless you've purchased a kit that will replace the counterbalance. They're not expensive and are easy to install if purchased them at architectural salvage stores. Depending on the size of your upvc window repairs one or two sashweights might be required to keep it open.