Window Sash Repairs 101 The Ultimate Guide For Beginners

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Window Sash Repairs

Window sashes must be regularly checked for mold, mildew, and damage. By catching problems before they become serious, you can save money on repairs in the future.

The sash is the internal frame that is vertically moved up or down in windows that open. This article will teach you how to carry out a few simple sash repair window.

Weather Stripping

Wood window sashes give the classic look to your home. If properly maintained, they can last for years. They can, however, become damaged or degraded with time, due to exposure and normal wear. However, sash repair experts can restore your windows to their original condition and maintain their appearance for much longer than newer replacement windows.

Weather stripping is the primary issue to take care of when fixing windows with sash. It is located on both the frame and the sash. If it’s loose or worn out, it can cause drafts and other issues. Start by identifying the window brand and the glass manufacturer’s date (etched on the corner of the glass, or the aluminum spacers between panes). Then, take the sash off and mark its width and height, so you can find replacement weather stripping to match.

Next, remove the sash and place it on a table so you can access all four sides. If the sash is double-hung, you’ll need to remove the weights as well as the ropes that go with them which should have slipped into the pocket that was intended to be in the jamb liner. Once you’ve removed the sash, use a utility knife to remove the old weather stripping at the corners. Then, remove it by hand or using a putty blade.

Once the sash has been cleaned, you can replace parting stops. These are long pieces that separate the sashes. Pam prefers to replace them with standard 1/2-inch-by 3/4-inch window trim from the lumberyard, however you can also use a piece of scrap wood.

After removing the stoppers for parting and trimming them to your desired length then apply a thin layer 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. After the putty has completely cured it is possible to apply a topcoat of acrylic. This will help 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 can be a window or door that won’t open or close easily. The good news is that fixing and replacing this hardware is usually very simple and cost-effective. If a sash is difficult to operate, try spraying some oil into the jamb channel and then open it to see if this resolves the issue. If not, the problem is likely to be with the sash balance and you’ll need to take out the sash in order to access 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 wear out or if the sash that joins rail isn’t properly coated. This could be caused by various reasons that include a lack of maintenance and an unmatched weight rating.

If the hinge arms of a window begin to lose their elasticity, this could cause the sash to slide and eventually strike the frame in the corner opposite the hinge arm (Photo 1). To address this issue, first make sure the sash is squarely inserted into the opening of the frame and then take it out of the window. If the sash has been fixed to the hinge arm, unbolt the hinge and replace it. (Photo 2). Install the new sash (Photo 3).

Because of sagging hinges and a general lack of energy efficiency, windows that are old especially in older houses, could be difficult to open or window sash repairs close. In most instances, a few easy repairs can transform these windows into smooth operators and window sash repairs save homeowners money on energy costs.

To make these repairs to the sash it is essential to have all of the tools needed before you begin. Start by marking the location of the hinge channel on the frame using pencil (Photo 1). This will assist you in getting the channel back in position correctly after you’ve completed. Then, remove the sash, and then remove the hardware including the parting beads (Photo 2) and the cords or chains that hold it in place. Heat gun with nozzle shield and a medium setting will soften any hardened putty. Remove the old sash, and put it in a labeled bag.

Sash Weights

Whether your window sash repairs are to replace a broken cord or simply to keep your windows functioning, replacing worn out sash weights will improve sash operation and help reduce energy costs. Sash weights are composed of heavy lead or iron cylinders that are encased in a hidden cavity and are connected via ropes to the moveable window sash. They function as counterbalances, allowing you to open and shut the upvc window repair near me without the need for mechanical or electrical devices. If they fail, sashweights tend to be ignored or disabled by homeowners.

A weight from a sash that fell out of the cavity is difficult to recover and you’ll need to find a replacement that fits properly. You will also require a fresh piece of string, a length sashcord and a few sashpulleys to secure the weights you are replacing to the cord.

Older wood windows are joined using mortise and tenon joints. The wood pegs holding the components together can be removed by a pin punch and hammer. The majority of them have large diameters on one side and a smaller size on the other side, so it is important to remove the smaller-diameter ones first. Sashes made later in the century used glue instead of pegs and can be separated by cutting through the glue line using an instrument, and then tapping the mortised part loose using mallets.

After the sash is removed then you can take out the sash stop and gain access to the weight pocket. Usually it is done by drilling an opening in the bottom of each jamb. The hole is then covered with a wooden panel that can be removed to reveal the inner workings.

Once you have the sash stopped and the access panel removed, you’ll be able to take off the weight of the old sash and replace it with the new. Be sure to weigh the sash first, as the weights you have might not be the right size. Once the new weight is installed, run the string through the sash pulling mechanism. Then, you can nail the string to the boxed frame, but only leave a few inches of string protruding from the head for future adjustment.

Sash Cords

In the majority of old double-hung windows the chain or cord is attached to the weights. This keeps the sashes of the jamb level. Over time these cords can break, making it impossible to raise the window. A new sash cord will restore the ability to move the sash up and down 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 usually nailed or screwed in and must be removed or repositioned. It is possible to remove them using an axe or hammer, but it is always best to lay out dust sheets prior to starting any work.

After removing the access panel, you are able to begin working on the sash. Make the small parting beads (also known as “tie rails”) out of their grooves using the chisel or flat bar. These are often wedged in or nailed in, 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 free using a hammer or screwdriver, then remove each wood peg. You should be able to move the sash around freely, though it might require oil if it feels stiff.

Measure the length of sash chain/sash cord needed to reach the sash slot on the bottom, and the pulley located at the top of the jamb. Cut the chain or cord and attach it in the previous step. You can use either nail, hammer or screws. However, nails are less likely to cause damage.

Unless you’ve bought an item that replaces the old counterbalance system it’s recommended to keep the original weights for balancing in place. It’s cheap to purchase them from a salvage store and they will be easy to install once you have the sash open. Depending on the size of your window one or two sashweights might be required to keep it in an open position.