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Window Sash Repairs

window repair sashes must be regularly checked for mold, mildew and other damage. You can reduce future repair costs by catching these issues early before they get out of hand.

The sash is the interior framing that moves vertically upwards or downwards in windows that open. This article will show you how to do simple sash repairs.

Weather Stripping

Wood window sashes provide an elegant look to your home and, when properly maintained, they will last for years. However, they can become damaged or degrade as time passes because of exposure to the elements and wear and tear. Fortunately, sash repair specialists can restore your windows to their original condition and keep them looking great for a longer period of time than replacement windows.

The first step in sash window repairs is addressing weather stripping, which can be found on both the sash as well as the frame. It could cause drafts if worn or loose. To fix it, start 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 width and height, so you can find replacement weather stripping to match.

Next, remove the sash and place it on a work surface to allow access to all four sides. If the sash is double-hung, you'll need to take off the weights and their ropes that should have fallen into the intended pocket in the jamb liner. After removing the sash using the utility knife, take off the weather stripping from the old sash by hand or using a putty knife.

After the sash is cleaned, you can replace the stoppers that separate the two sashes. These are long pieces that separate the sashes. Pam prefers to use the standard 1/2-inch by 3/4-inch window trimmings from the lumberyard. But, you can also use with a scrap piece of 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 the compound with your putty knife, then let it dry for at least a day. Once it's fully cured and dried, apply a second coat of acrylic latex paint. This will help protect the putty, and give your sash a fresh appearance.

Sash Hardware

The hardware that holds the windows sashes can become worn out over time and with use. This could lead to 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 straightforward and cost-effective. If a sash becomes difficult to operate you can try spraying some lubrication into the jamb channel, and then slide it open to see if this resolves the issue. If not, the issue is likely to be with the sash balance and you'll need to remove the sash to gain access to this hardware.

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

If the hinge arms of a upvc window repairs near me begin to lose their elasticity, this could cause the sash to slide and eventually strike the frame in the corner that's in the opposite direction of the hinge arm (Photo 1). To fix the problem, make sure that the sash is centered in the frame opening and then remove it. If the sash has been screwed to the hinge arm, you'll have to unscrew the hinge arm and replace it (Photo 2). Then, you can install the new sash (Photo 3).

Due to hinges that are sagging, and a general deficiency in energy efficiency, older windows particularly those in older houses, could be difficult to open or close. In many cases, a few simple repairs can turn these windows into smooth operation and save homeowners money on energy costs.

To complete these repairs to the sash, it's important to have all the necessary tools in place before you begin. Begin by marking the position of the hinge channel on the frame with a pencil (Photo 1). This will help you get the channel back in place correctly when you're finished. Remove the sash, and remove all the hardware, including the beads for parting cords, chains, and cords that hold the sash in place. Soften any putty that has been hardened with an electric heat gun set to medium and equipped with an shield to block the nozzle. Take off the old sash and put it in a bag with a label.

Sash Weights

Whether your window sash repairs are to replace a broken cord or just to keep the windows functional by replacing worn out sash weights will improve sash operation and reduce energy costs. Sash weights are hefty lead or iron cylinders, which are enclosed in a concealed cavity and connected to the movable window sash using rope. These weights provide counterbalance, allowing the window repair near me to be shut and opened without using mechanical or electrical devices. When they fail, sashweights are usually neglected or not used by homeowners.

It's difficult to retrieve a sash-weight that has fallen from the cavity, so you'll want to find one that fits correctly. You will also require a new piece string, a length sashcord and some sashpulleys to tie the weights you are replacing to the cord.

Older wood windows are joined by mortise and tenon joints. Hammers and pins can be used to remove the wood pegs that hold the components together. The majority of these pegs are large on one side, but smaller on the other. It is essential to remove first the smaller diameter sides. Sashes that were made later in the century used glue instead of pegs and can be separated by cutting the glue line using an instrument, and then tapping the mortised part loose with mallets.

After the sash is released, you can remove stops on the sash and get access to the pockets for weights. Usually it is done by drilling a hole near the bottom of each jamb. The hole is surrounded by the wooden panel which can be removed to reveal the inner workings.

After you have the sash stopped and the access panel removed, you'll be able to remove the weight of the old sash and replace it with the new. Weigh the sash first to ensure that the weights you've got may not be the correct size. Once the new weight is in place, tie a string to it and thread it through the sash pulley. Then attach the string to the frame, but only leave a few inches of string sticking out from the head for future adjustment.

Sash Cords

In most old double-hung window, a cord or chain is attached to the weights. This supports and keeps the sashes of the jamb in a balanced manner. Over time these cords can break, making it difficult to raise the upvc window repairs. A new sash cable can restore the ability to raise and lower the sash, and ensure it stays in place when it is opened.

The first step in replacing cords for sash is to locate and take out the access panels located in the jambs. These are usually installed by screws or nails and will need to be removed or relocated. You might be able to employ a hammer and chisel for removing them, but it's always better to lay down dust sheets before beginning any work.

Once the access panel is removed, you can begin working on the sash. Prise the narrow parting beads (also called "tie rails") out of their grooves with a chisel or flat bar. They are typically wedged into or nailed in, but they can be prised free, so it's worth taking your time here. If the sash is still in place, pry the mortise and tenon joints free with a hammer or screwdriver and then remove each wood peg. You should be able to move the sash around without difficulty, though it might require oil if it feels stiff.

Measure the length of sash chain/sash cord required to reach the sash slot on the bottom, and the pulley on the top of the jamb. Cut the cord/chain and then fix it as described in Step 6 above. You can use either nail, hammer or screws. However, nails are less likely than screws to cause damage.

It is recommended to keep the original weights in place unless you have purchased a kit to replace the old counterbalance. It's not too expensive to purchase these from salvage shops for architectural purposes and they'll be easy to install once you have the sash unlocked. Based on the size and shape of your window you might need to install one or two sashweights to keep the sash open.