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Window Sash Repairs

Window sashes need to be inspected regularly for signs of mold, mildew, and damage. You can save the cost of upvc repairs in the future by catching these issues early, before they become too much.

The sash is the internal framing that can be moved vertically either up or down in windows that open. This article will teach you how to make several simple repairs to sash.

Weather Stripping

Wood window sashes provide a classic aesthetic to your home and, when properly maintained, can last for years. However, they may become damaged or deteriorate as time passes due to exposure to elements and wear and wear and tear. Sash repair experts can restore windows back to their original condition and maintain their appearance much longer than replacement windows.

The first step in sash window repairs is addressing weather stripping. It's found on both the sash as well as the frame. It can cause drafts if damaged or is loose. Start by identifying the brand of window and the date of manufacture for the glass (etched on the corner of the glass, or the aluminum spacers between panes). Take the sash off, and mark its width and height so you can find a replacement weather stripping that matches.

Then, remove the sash and set it on a table so you can access all four sides. If your sash is double-hung, you'll also need to remove the weights as well as the ropes that go with them, which should have fallen into the intended pocket in the jamb liner. Once you've taken the sash off, use a utility knife to cut off the weather stripping that was formerly in place at the corners, and then remove it manually or with a putty knife.

Once the sash is clear, you can replace the parting stops. These are long pieces that divide the sashes. Pam prefers standard 1/2-inch by 3/4-inch window trim from the lumberyard. However, you could also use a scrap piece of wood.

After removing the parting stops and trimming them to your desired length, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound with your putty knife, and then let it dry for at least a few days. Once the putty has fully cure it is possible to apply a topcoat of acrylic. This will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that holds window sashes is prone to wearing out from the wear and tear of use, and Window Doctor the result can be a window or door that won't open or close easily. It's good to know that replacing or fixing this hardware is usually easy and affordable. If a sash becomes difficult to operate, try spraying some oil into the jamb channel then slide it open to see if this resolves the issue. If not, the issue is most likely due to the balance of the sash and you'll have to take off the sash in order to access the hardware.

The ideal situation is for window Doctor sashes to be able to open and close with minimal effort however, this can be a difficult task when the weights are worn or if the sash meeting rail isn't properly coated. This issue can be caused by a number of reasons, such as lack of maintenance or by an incorrect weight rating for the particular sash.

If the hinges on a window begin to sag this can cause the sash drag, and then eventually to hit the frame in the opposite corner (Photo 1). To fix the problem, make sure that the sash is in the proper position within the frame opening, and then remove it. If the sash has been fixed to the hinge arm, remove the hinge and replace it. (Photo 2). Then, put in the new sash (Photo 3).

Because of sagging hinges and a general lack in energy efficiency, older windows, especially those in older houses, could be difficult to open and close. In many instances, a few minor repairs can transform these windows into smooth operation again and save the homeowner money on energy costs.

It is essential to have the tools needed before you begin. Mark the hinge channel's location on the frame (Photo 1) with pencil. This will allow you to place the channel in the correct place when you are finished. Then, remove the sash and remove the hardware, including the parting beads (Photo 2) and the cords or chains that hold it in place. Soften any hardened putty using the help of a heat gun set at medium and fitted with an nozzle shield. Take off the old sash and store it in an labelled bag.

Sash Weights

Sash weights are able to be replaced to enhance the efficiency of your window sash and reduce the energy cost. Sash weights consist of heavy lead or iron cylindricals that are contained in a hidden cavity and connected by ropes to the movable window sash. They are counterbalancers, allowing the window to be closed and opened without using mechanical or electrical devices. The sash weights are usually disregarded or disabled by homeowners, and are turned into scrap when they fail; therefore you may have to locate replacements.

It's difficult to retrieve the sash-weight that fell from the cavity, so you'll need to find one that is suitable for the. You will also require a new piece of string, a length of sash cord, and a few sash pulleys to tie the new sash weights onto the sash cord.

Older windows made of wood are joined by mortise and tenon joints. The wood pegs that keep the components together can be removed by pin punches and hammers. The majority of these pegs are big on one side and smaller on the other. It is crucial to first remove the smaller diameter sides. Later sashes made use of glue instead of pins. They can be separated with a knife and mallets.

Once the sash has been removed, you can take off the sash stops and access the weight pockets. Usually this is accomplished by drilling an opening at the bottom of each jamb. The hole is then covered with an access panel of wood that can be cut off so that you can observe the inner workings of the frame.

After the sash has been stopped and the access panel has been removed, you are able to remove the weight that was previously installed and replace it. Be sure to weigh the sash prior to you begin, as the weights that were previously used may be different in size from what you require. Once the new weight is in place you can tie a string around it and thread it through the pulley for the sash. Then nail the string to the boxed frame, leaving a few inches of string sticking out from the head for future adjustments.

Sash Cords

In the majority of old double glazing repair-hung windows, a chain or cord is affixed to the weights. This helps keep the sashes within the jamb balanced. Over time these cords can break, making it difficult to raise the window. A new sash cord can restore the ability to move the sash upwards and downwards and will keep it in its position when it is opened.

The first step to replace sash cords is to locate and remove the access panels in the jambs. These are usually screwed or nailed into and must be removed. It may be possible to take them out using a hammer or chisel, but it is always better to lay out dust sheets prior to starting any work.

After removing the access panel, you are able to begin working on the sash. Prise the narrow parting beads (also called "tie rails") out of their grooves with the chisel or flat bar. They are usually wedged in or nailed, but they can be prised free and it's worth your time here. If the sash is in place, break the mortise and the tenon joints by using a hammer and pin punch or screwdriver, and then take out the wood pegs attached to each component. The sash should be able move freely now, but it might require some lubrication in order to feel less stiff.

With the sash in an open position Take a measurement of the sash chain to reach from the pulley in the top of the jamb to the sash slot in the bottom. Cut the cord/chain and window Doctor then fix it as described in Step 6 above. You can use a hammer and screws or nails, however nails are less likely to cause damage.

It's best to leave the original weights if you've purchased a kit that will replace the counterbalance that was previously installed. It's cheap to purchase them from architectural salvage stores and they'll be simple to install once you have the sash unlocked. Based on the size of your window one or two sash weights may be needed to keep it open.