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Window Sash Repairs

Window sashes need to be regularly checked for mold, mildew, and damage. You can reduce future repair costs by catching the issues in the early stages, before they get out of hand.

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

Weather Stripping

Wood window sashes add a classic aesthetic to your home. When properly maintained, can last for many years. They may, however, be damaged or degraded over time due to exposure or normal wear and tear. Sash repair specialists can restore windows to their original state and maintain their appearance much longer than replacement windows.

The first step to repair sash window damage is to fix weather stripping, which is found on both the sash and frame. If it's worn or loose, out, it can lead to drafts, as well as other issues. Begin by identifying the window brand and the glass manufacturer's date (etched on the glass's corners or on the aluminum spacers between panes). Then, take the sash off and mark its width and height to find replacement weather stripping to match.

Then, remove the sash from the holder and place it on flat surfaces to allow you to access all four sides. If the sash is double glazed window repairs near me-hung, take out the weights using their ropes that should be buried inside the jamb lining. Once you've removed the sash, use a utility knife to remove the weather stripping that was formerly in place at the corners. Then, remove it manually or with a putty knife.

After the sash has been cleared it is time to replace the 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 could also use scrap wood.

After removing the parting stops and trimming them to your desired length, apply a thin layer of glazing compound to the bottom of the sash. Smooth out the compound using your putty knife and let it dry for at least a few days. Once the putty has fully dried, you can apply a topcoat of acrylic latex. This will protect the putty, and give your sash an updated look.

Sash Hardware

The hardware that supports window sashes prone to wearing out from time and usage and the result could be a window or door that isn't able to open or close easily. It's important to know that replacing or repair of this hardware is typically straightforward and cost-effective. If a sash becomes difficult to operate, try spraying some oil into the jamb channel and then slide it open to see if this fixes the problem. If the issue continues it's most likely to be due to the sash's balance. It is necessary remove the window sash to get access to this part of the hardware.

The ideal situation is for window sashes to swing open and closed with very little effort, but this can be difficult when the weights are worn or if the sash's meeting rail isn't properly coated. This can be due to many factors such as an absence of maintenance or an unmatched weight rating.

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

Windows that are old, especially in older homes, can be difficult to open and close due to sagging hinges and general inefficiency. Sometimes just a few easy fixes can help these windows function smoothly once more and help homeowners save money on energy bills.

It is essential to have the tools you need before you begin. Begin by marking the location of the hinge channel on the frame using pencil (Photo 1). This will help you to place the channel in the proper place when you are finished. Remove the sash and take out all the hardware, including the parting beads, cords, and chains that help to hold the sash. Soften any putty that has been hardened with the help of a heat gun set at medium and fitted with an shield to block the nozzle. Take off the old sash and put it in a labelled bag.

Sash Weights

Whether your window sash repairs are to replace a damaged cord or just to keep your windows functioning by replacing worn out weights on sash can improve sash operation and reduce energy consumption. Sash weights are heavy, lead or iron cylinders that are enclosed inside a hidden compartment and connected to the movable window sash using rope. They are counterbalancers, allowing the window to be shut and opened without using mechanical or electrical devices. The sash weights are usually disregarded or disabled by homeowners and then turned into scrap when they fail. Consequently you may have to find replacements.

A weight in a sash that has fallen out of the cavity is difficult to get back, so you will want to locate a new one that fits properly. You will also require a new piece of string, a length of sashcord and a few sashpulleys for tying the new weights to the cord.

Older windows made of wood are joined with mortise and tenon joints. The wood pegs that hold the components together can be removed using pin punches and hammers. Most of them have an enormous diameter on one side and a smaller one on the other, which is why it is important to remove the small-diameter sides first. Later sashes used glue instead of pins. They can be cut by using a knife or a mallet.

After the sash is removed then you can take out the sash stop and access the weight pocket. This is usually done through an opening at the bottom of each jamb. This hole is then covered by a wooden access panel that can be cut off to allow you to see the inner workings of the frame.

Once the sash is stopped and the access panel has been removed, you can take off the old weight and replace it. Be sure to weigh the sash before you do this, since the weights that were previously used may be different sizes than what is needed. After the new weight has been installed, thread the string through the sash pulling mechanism. Then, you can nail the string to the frame, but leave a few inches of string protruding from the head for future adjustments.

Sash Cords

Most double-hung windows of the past have a cord or chain connected to the weights that helps keep the sashes balanced in the jamb. Over time, these chains can get damaged and make it difficult to raise windows. A new sash cable will give you the ability to raise and lower the sash, and keep it in position when it is opened.

The first step to replace sash cords is to locate and remove the access panels within the jambs. They are typically nailed or screwed in and will require to be removed or moved. It is possible to remove them using the hammer or chisel however, it is best to lay out dust sheets prior to beginning any work.

After removing the access panel, you are able to begin working on the sash. Utilize a flat bar, or chisel to pry the small parting beads from their grooves. These are often wedged in or nailed in, but they can be prised free which is why it's worth your time here. If the sash is in place, break the mortise and tenon joints using pin punch and hammer or screwdriver, then unhook the wood pegs attached to each piece. It should now be possible to move the sash around freely, though it might require oiling if it seems stiff.

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

Unless you've bought an upgrade kit to replace the old counterbalance system, it's recommended to keep the original weights for balancing in place. It's cheap to purchase them from architectural salvage stores and they will be easy to install once you've got the sash open. Based on the dimensions and shape of your window you may require one or two sashweights to keep the sash open.