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Window Sash Repairs

Sashes for windows must be regularly checked for mold, mildew and other damage. You can avoid the cost of repairs in the future by catching the issues early on, before they get out of hand.

The sash is an internal frame that can move upwards and downwards in windows that open. This article will show you how to make several easy repairs to your sash.

Weather Stripping

Wood window sashes add a classic aesthetic to your home and, when properly maintained, they will last for many years. They may, however, be damaged or degraded over time due to exposure and normal wear and tear. However, sash repair experts can bring your windows back to their original condition and maintain their appearance for longer than replacement windows.

The first step for sash window repairs is addressing weather stripping, which can be found on both the sash and frame. If it's loose or worn out, it can lead to drafts and other issues. Begin by identifying the window brand and the manufacturer's date (etched on the corner of the glass or on the aluminum spacers between panes). Then, remove the sash and mark its width and height so that you can locate replacement weather stripping to match.

Then, remove the sash from its holder and place it on an even surface that allows you to see all four sides. If the sash is double-hung, you'll also need to remove the weights and their accompanying ropes that should have fallen into the pocket of the jamb liner. Once you've removed the sash, use a utility knife to cut away 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 separate the two sashes. Pam likes to replace them with standard 1/2-inch-by - 3/4-inch upvc window repairs trim from the lumberyard. However, you could also use a piece of scrap wood.

After removing the parting stop and trimming it to length, apply a thin coat of glazing compound to the bottom of the sash. Smooth out the compound using your putty knife, and then let it dry for at least a few days. After the putty has completely cure it is possible to apply a topcoat of acrylic. This coating will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports window sashes susceptible to wear and tear from age and use and the result could be a door or window that can't be opened or closed easily. The good thing is that fixing and replacing this hardware is usually quite simple and inexpensive. If you are having trouble opening the sash, spray some lubricant into the jamb channel. Then, slide the sash open to see if it resolves the problem. If not, the problem is most likely due to the sash balance, and you'll have to take off the sash in order to access the hardware.

Ideally, window sashes must move open and shut without effort, but this is a difficult task when the weights wear out or if the sash meeting rail isn't properly coated. This problem can be caused by a number of things, such as insufficient maintenance or an incorrect weight rating for the specific window sash.

If the hinges on windows begin to slide, this can cause the sash drag and eventually hit against the frame in the opposite corner (Photo 1). To address this problem, first ensure that the sash is squarely inserted into the frame's opening and then take it out of the window. If the sash has been screwed to the hinge arm, you'll have to loosen the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).

Due to hinges that are sagging, and a general deficiency in energy efficiency, old windows particularly those in older homes, can be difficult to open or close. In most instances, a few minor repairs can turn these windows into smooth operation and save homeowners money on energy costs.

It is crucial to have the tools you need 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 on position correctly after you've completed. Remove the sash and then remove all hardware, including the beads for parting cords, chains, and cords that hold the sash in place. Soften any hardened putty using the help of a heat gun set at medium and equipped with a shield for the nozzle. Take off the old sash and store it in a bag with a label.

Sash Weights

If your window sash repairs are to replace a damaged cord or to keep the windows functional, replacing worn out weights on sash can improve sash operation and reduce energy costs. Sash weights are heavy, lead or iron cylinders, which are enclosed in a concealed cavity and attached to the movable window sash using a rope. They are counterbalancers, allowing the upvc window repairs near me to be closed and opened without the need for mechanical or electrical devices. If they fail, sashweights tend to be left unnoticed or disabled by homeowners.

A weight in a sash that has fallen out of the cavity is difficult to retrieve and you'll need to find a replacement that is suitable for the. You will also require a new piece string, a length of sashcord and a few sashpulleys to secure the weights you are replacing to the cord.

Older wood windows are joined with mortise and tenon joints. The wood pegs that keep the parts together can be removed with pin punches and hammers. Most of them have a large diameter on one side and a smaller one on the other, so it is important to remove the smaller-diameter ones first. Sashes that were made later in the century made use of glue instead of pegs and can be separated by cutting through the glue line using an instrument, and then tapping the mortised part loose with a mallet.

Once the sash has been released, you can remove the stops on the sash and get access to the pockets for weights. This is usually done via a small hole at the bottom of every jamb. The hole is then covered with a wooden panel that can be removed to reveal the interior workings.

When the sash has been shut off and the access panel is removed, you are able to remove the old weight and replace it. Make sure you weigh the sash before you do this, since the old weights could be different in size from what you require. Once the new weight is installed, tie a string to it and thread it through the pulley for the sash. Then, you can nail the string to the boxed frame, but leave a few inches of string sticking out from the head to allow for future adjustments.

Sash Cords

Most old double-hung windows come with a chain or cord attached to the weights which supports and keeps the sashes balanced within the jamb. As time passes, these cords may become damaged and render it impossible to raise windows. A new sash cable can restore the ability to raise and lower the sash and ensure it stays in place when opened.

The first step in replacing sash cords is to locate and remove the access panels within the jambs. They are usually screwed or nailed into and require removal. You may be able to employ a hammer and chisel to prise them off but it's best to lay down dust sheets prior to commencing any work.

After the access panel has been removed, you can begin working on the sash. Utilize a flat bar, or chisel to pull the small partsing beads out of their grooves. These are often wedged in or nailed in, but they can be removed which is why it's worth your time. If the sash remains in place, remove the mortise and tenon joints with a hammer and pin punch or screwdriver, then remove the wood pegs attached to each component. It should now be possible to move the sash around without difficulty, though it might require lubrication if it feels stiff.

With the sash in an open position With the sash in an open position, measure the sash chain or cord to extend from the pulley in the top of the jamb to the sash slot at the bottom. Cut the cord/chain and then attach it in Step 6 above. You can either employ a hammer and nail or screws, but nails are less likely to cause damage.

If you haven't purchased an upgrade kit to replace the counterbalance system that was in place before, it's best to keep the original weights for balancing in place. It's not too expensive to purchase these from salvage shops for architectural purposes and they'll be simple to install once you have the sash unlocked. Depending on the size of your window, two or three sash weights may be needed to keep it open.