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Window Sash Repairs

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

The sash is an inside frame that can move upwards and downwards in windows that open. This article will teach you how to carry out a few simple repairs to sash.

Weather Stripping

Wooden upvc window repair sashes can add a classic look to your home. They are also durable and can last many years when they are maintained properly. They can, however, be damaged or degraded over time due to exposure or normal wear. Sash repair specialists can restore windows back to their original condition and maintain their appearance longer than replacement windows.

The first step in sash window repairs is addressing weather stripping, which can be found on both the sash and frame. If it's loose or worn out, it can cause drafts and other issues. To fix it, start by determining your window's brand and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Remove the sash and mark its size and width so that you can purchase replacement weather stripping that matches.

Then, take it off and set it on a surface so that you can reach all four sides. If the sash is double-hung, you'll need to remove the weights as well as their accompanying ropes, which should have fallen into the intended pocket in the jamb liner. After removing the sash using the utility knife, take off the old weather stripping by hand or using the putty blade.

After the sash has been cleared and clean, you can put in the parting stops. These are long pieces that split the sashes. Pam likes to replace them with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard, however you could also use scrap wood.

After removing the stopper and trimming it to length after which, apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound with your putty knife, and then let it dry for at least a day. After it has fully dried and dried, apply a second coat of acrylic latex paint. This will protect the putty and give your sash a new appearance.

Sash Hardware

The hardware that supports the windows sashes can become worn out over time and with use. This can result in a door or a window that is difficult to open or close. It's a good idea to know that replacing or repairing this hardware is often easy and affordable. If you're having trouble opening the sash, spray some oil into the jamb channel. Then slide the sash open to see if this resolves the problem. If not, the problem is most likely due to the sash balance and you'll need to remove the sash in order to access this hardware.

Window sashes should open and close with little effort. However, this could be difficult if weights are worn out or the sash-to rail meeting rail is not properly covered with. This problem can be caused by a variety of factors, including the lack of maintenance or the wrong weight rating for the particular sash.

If the hinge arms of a window are starting to lose their elasticity, this could cause the sash to drag and eventually hit the frame in the corner directly opposite the hinge arm (Photo 1). To resolve this problem, first ensure that the sash is firmly seated in the opening of the frame and then remove it from the window. If the sash has been screwed to the hinge arm, you'll need to loosen the hinge arm and replace it (Photo 2). Then, put in the new sash (Photo 3).

Due to hinges that are sagging, and a general lack in energy efficiency, windows that are old particularly those in older homes, can be difficult to open and close. In many instances, a few easy repairs can transform these windows into smooth operators and save homeowners money on energy bills.

To make these sash repairs it is essential to have all of the necessary tools in place before you begin. Start by marking the location of the hinge channel on the frame with a pencil (Photo 1). This will help you to position the channel in the correct place when you are finished. Remove the sash and take off 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 can soften any hardened putty. Remove the old sash, and store it in an labelled bag.

Sash Weights

If your window sash repairs are to replace a damaged cord or simply to keep your windows functioning, replacing worn out weights for sash will improve its operation and reduce energy consumption. Sash weights are composed of iron or lead cylinders that are encased in a concealed cavity and are connected via ropes to the movable window sash. These weights provide counterbalance which allows the window to be closed and opened without the need for mechanical or electrical devices. The sash-weights are typically ignored or discarded by homeowners, and are turned into scrap when they fail; therefore you may have to search for replacements.

It's not easy to retrieve a sash-weight that has fallen from the cavity, so you'll want to find one that fits properly. You will also require a new piece string, a length sashcord and a few sashpulleys for tying the new weights to the cord.

Mortise and Tenon joints are used to join older wood windows. Hammers and pins can be used to take out the wood pegs that hold the parts together. The majority of them are large on one side and smaller on the other. It is essential to first remove the smaller diameter sides. Sashes made later in the century used glue instead of pegs. They can be separated by cutting the glue line with the help of a knife, and then tapping the mortised area loose using a mallet.

After the sash is removed, you can take off the sash stops and access the pockets for weights. Usually this is accomplished by drilling a hole near the bottom of each jamb. This hole is covered with a wooden panel that can be removed to reveal the interior workings.

Once the sash is stopped and the access panel is removed, you can take off the old weight and replace it. First, weigh the sash, as the weights you've got may not be the correct size. After the new weight is in place you can tie a string around it and thread it through the pulley of the sash. Then, nail the string to the boxed frame. Leave a few inches of space at the head of the string to allow for future adjustments.

Sash Cords

The majority of double-hung windows with a history include a chain or cord attached to the weights which helps keep the sashes balanced in the jamb. Over time, these chains may become damaged and make it impossible to raise the windows. A new sash cable will give you the ability to move and lower the sash and keep it in place when it is opened.

The first step in replacing sash cords is to find and remove the access panels in the jambs. These are usually fixed or screwed in and will require to 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 before starting any work.

After removing the access panel, you can begin to work on the sash. Utilize a flat bar or chisel, to pry the small parting beads out of their grooves. These are often wedged in or nailed, but they can be snipped out, so it's worth taking your time here. If the sash is still in place, pull the mortise-and-tenon joints out with a screwdriver or hammer and then remove each wood peg. The sash should move freely, however it may need some lubrication to feel less stiff.

Take a measurement of the length of the sash chain or sash cord needed to reach the sash slot at the bottom of the pulley at the top of the jamb. Cut the chain or company cord and attach it in Step 6 above. You can use either a hammer, nails, or screws. However nails are less likely than screws to cause damage.

It is best to keep the original weights if you have purchased a kit to replace the counterbalance. It's not expensive to buy them from architectural salvage stores and they will be easy to install once you have the sash unlocked. Based on the dimensions and shape of your window you might need to install one or two sashweights to keep the sash open.