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This Is The Myths And Facts Behind Window Sash Repairs
Window Sash Repairs

Window sashes must be regularly checked for mold, mildew and damage. You can reduce the cost of repairs in the future by catching problems early on, before they get out of hand.

The sash is an interior frame that is vertically moved upwards or downwards in windows that open. This article will show you how to do a variety of simple repairs to sash.

Weather Stripping

Wooden window sashes can give an elegant look to your home. They are also sturdy and will last for many years provided they are properly maintained. However, they can become damaged or deteriorate as time passes because of exposure to the elements and wear and tear. Fortunately, sash repair specialists can restore your windows back to their original condition and maintain their appearance for a longer period of time than replacement windows.

The first step in sash window repairs is addressing weather stripping, which is found on both the sash and frame. It can cause drafts if worn out or loose. To fix it, begin by determining your window's brand and glass manufacturer date (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, remove the sash and set it on a surface so that you can reach all four sides. If the sash is double-hung, remove the weights using their ropes that should have fallen into the pocket within the jamb lining. Once you've removed the sash using a utility knife, you can use it to cut off the weather stripping from the corners. Then, remove it manually or with a putty knife.

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 these with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard. However, you could also use a piece of scrap wood.

After removing the parting stops and trimming them to your desired length and thickness, apply a thin layer 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 dried and dried, you can apply a topcoat of acrylic. This will protect the putty and give your sash a new look.

Sash Hardware

The hardware that holds the window sashes can wear out over time and with use. This could result in the window or door that is difficult to open or close. It's a good idea to know that replacing and repairing this hardware is often easy and affordable. If you're having trouble opening a sash, spray some grease into the jamb channel. Then, you can slide the sash out to see if this resolves the issue. If the issue continues it's likely the sash balance. It is necessary to take off the window sash to access the hardware.


The ideal situation is for window sashes to swing open and closed without effort, however, this can be a difficult task when the weights wear out or if the sash that joins rail isn't properly glazed. This issue could be caused by a variety of factors such as a lack of maintenance and an unmatched weight rating.

If the hinge arms of a window are starting to lose their elasticity, this could cause the sash's to drag and eventually strike the frame in the corner opposite the hinge arm (Photo 1). To remedy the issue make sure the sash is in the proper position within the frame's opening and take it off. If upvc window repair near me has been screwed to the hinge arm, you'll need to remove the hinge arm and replace it (Photo 2). Install Our Home Page (Photo 3).

Old windows, especially those in older homes, can be difficult to close and open due to sagging hinges and an overall lack of energy efficiency. In many cases, a few simple repairs can turn these windows into smooth operators again and save the homeowner money on energy bills.

It is important to have the tools needed before you begin. Mark the location of the hinge channel on the frame (Photo 1) with pencil. This will help you to place the channel in the proper location after you've completed. Take the sash off and then remove all hardware, including the parting beads cords, chains, and cords that help to hold the sash. Soften any hardened putty using the help of a heat gun set at medium and equipped with an shield to block the nozzle. Remove the old sash and store it in an labelled bag.

Sash Weights

Sash weights can be changed to improve the performance of your window sash, and also reduce the energy cost. Sash weights are composed of iron or lead cylinders that are encased inside a concealed cavity, and attached by ropes to the moveable window sash. They are counterbalancers which allows the window to be shut and opened without using mechanical or electrical devices. When they fail, sashweights are often ignored or disabled by homeowners.

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

Mortise and Tenon joints can be used to join windows made of older wood. The wood pegs that keep the components together can be removed using a pin punch and hammer. The majority of these pegs have a large diameter on one side and a smaller diameter on the other, which is why it is essential to remove the smaller-diameter ones first. Later sashes made use of glue instead of pins. They can be separated by using a knife or mallet.

Once the sash has been released, you can remove sash stops and gain access to the weight pockets. Usually this is accomplished by drilling an opening in the bottom of each jamb. The hole is then covered with the wooden panel which can be removed to reveal the inner workings.

Once you have the sash stopped and the access panel removed, you will be able to remove the old sash weight and replace it with new. Be sure to weigh the sash prior to you do this, since the weights that were previously used may be different sizes than what is needed. After the new weight is in place then tie a string to it and then thread it through the sash pulley. Then, you can attach the string to the boxed frame. Leave a few inches at the top of the string to allow for future adjustments.

Sash Cords

In most old double-hung window the chain or cord is attached to the weights. This supports and keeps the sashes in the jamb level. Over time, these cords can get damaged and render it impossible to raise the windows. A new sash cord will restore the ability to move the sash upwards and downwards and hold 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 moved. You might be able to use a hammer and chisel to remove them, but it's always better to lay down dust sheets before starting any work.

After the access panel has been removed, you can start working on the sash. Utilize a flat bar or chisel to pull the tiny partsing beads out of their grooves. These are often wedged in or nailed, but they can be prised free, so it's worth taking your time. If the sash remains in place, break the mortise-and tenon joints with a screwdriver or hammer, then remove each wood peg. You should be able to move the sash around freely, though it may require oiling if it seems stiff.

With the sash in an open position, measure enough sash cord/chain to reach from the pulley in the top of the jamb to the sash slot on the bottom. Cut the cord or chain, and then attach it as described in the step 6 above. You can employ a hammer, screws or nails, but nails are less likely to cause damage.

If you don't have an item that replaces the old counterbalance system it is recommended to keep the original weights for balancing in place. They're not expensive and are easy to install if you buy them from salvage shops for architectural use. Based on the size and shape of your window, you may require one or two sashweights in order to keep the sash open.

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