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Window Sash Repairs

Check the windows sashes regularly for damage, mildew, and mold. By catching these problems early, you can save money on repairs in the future.

The sash is an internal frame that is able to move up and down vertically in windows that open. This article will teach you how to do a variety of simple repairs to sash.

Weather Stripping

Wooden window sashes can give an elegant appearance to your home. They are also durable and can last many years when they are maintained properly. However, they may become damaged or deteriorate in time due to exposure to the elements and wear and wear and tear. Sash repair specialists can restore windows to their original condition and maintain their beauty much longer than replacement windows.

The first step to sash window repairs is addressing weather stripping, which is found on both the sash as well as the frame. It can cause drafts if it's worn or loose. To fix it, start by finding your window brand and glass manufacturer date (etched in the corner of the glass or on the aluminum spacer between panes). Then, take the sash off and mark its height and width, so you can find the appropriate weather stripping replacement 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 accompanying ropes which should have slipped into the intended pocket in the jamb liner. After you've removed the sash using a utility knife, you can use it to cut away the old weather stripping at the corners, and then take it off by hand or using a putty blade.

When the sash is clean it is time to replace the parting stops. These are long pieces of wood that separate the two sashes. Pam prefers to use the standard 1/2-inch by 3/4-inch window trim from the lumberyard. However, you could also substitute with a scrap piece of wood.

After removing the parting stop and cutting it to length after which, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound with your putty tool and allow it to dry for at least one day. After it has fully dried then apply a top coat of acrylic latex paint. This coating will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports window sashes is susceptible to wear and tear due to age and use, and the result can be a window or door that won't open or close easily. The good thing is that fixing and replacing this hardware is typically very simple and cost-effective. If you're having difficulty opening a sash, spray some oil into the jamb channel. Then slide the sash up and open to see if that fixes the problem. If the issue continues it's most likely to be due to the sash's balance. It is necessary remove the window sash in order to access the hardware.

Sashes for windows should be able to open and close with little effort. However, this may be difficult if weights are worn out or the sash-to-rail meeting rail is not properly coated. This issue can be due to various reasons, including a lack of maintenance and a mismatched weight rating.

If the hinge arms on a window begin to sag this can cause the sash drag and eventually hit against the frame in the opposite corner (Photo 1). To fix the problem make sure the sash is in the proper position within the frame opening, and then take it off. If the sash has been screwed to the hinge arm, you'll have to remove 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, windows that are old particularly those in older homes, may be difficult to open or close. In many cases, a few simple repairs can turn these windows into smooth operators for the first time and save the homeowner cash on energy costs.

It is essential to have the tools you need before you start. Start by marking the location of the hinge channel on the frame with a pencil (Photo 1). This will help you to place the channel in the right 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 secure it. Soften any putty that has been hardened with an electric heat gun set to medium and fitted with a nozzle shield. Take off the old sash and put it in a bag that is labeled.

Sash Weights

No matter if your upvc window repair near me sash repair needs are to replace a damaged cord or simply to keep the windows functional and functional, replacing worn-out weights for sash will improve its operation and help reduce energy costs. Sash weights consist of heavy iron or lead cylinders that are encased inside a concealed cavity, and attached by ropes to the movable window sash. These weights act as counterbalances, which allows you to open and close the window without requiring mechanical or electrical devices. The sash-weights are typically disregarded or disabled by homeowners and then turned into scrap when they break; therefore you might need to locate replacements.

It's not easy to retrieve a sash-weight that has fallen from the cavity, so you'll need to find one that fits correctly. You will also require a new piece of string, a length of sashcord and some sashpulleys to tie the weights you are replacing to the cord.

Mortise and Tenon joints are used to join windows made of older wood. The wood pegs that hold the components together can be removed by a pin punch and hammer. The majority of them are large on one side, but smaller on the other. It is important to remove first the smaller diameter sides. Later sashes utilized glue instead of pins. They can be separated with a knife and mallet.

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

Once the sash is stopped and the access panel is removed, you are able to remove the old weight and replace it. Weigh the sash first, as the weights you have may not be the correct size. Once the new weight is in place then tie a string to it and then thread it through the pulley of the sash. Then attach the string to the boxed frame, but only leave a few inches of string sticking out from the head to allow for future adjustments.

Sash Cords

Most old double-hung windows come with a chain or cord attached to the weights which supports and keeps the sashes balanced within the jamb. Over time these cords can break, making it difficult to raise the window. A new sash cord will give you the ability to move the sash upwards and downwards and keep it in place when opened.

The first step in replacing sash cords is to locate and remove the access panels within the jambs. These are usually screwed or nailed in and must be removed. It is possible to remove them using an axe or hammer, but it is always best to lay out dust sheets prior to beginning any work.

After the access panel has been 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 usually wedged in or nailed but can be snipped out and it's worth your time. If the sash is still in place, pry out the mortise and the tenon joints by using a hammer and pin punch or screwdriver, then unhook the wood pegs that are on each piece. It should now be possible to move the sash back and forth freely, although it may require lubrication if it feels stiff.

With the sash in an open position Take a measurement of the sash chain to extend from the pulley at the top of the jamb to the sash slot in the bottom. Cut the cord or chain and then secure it in Step 6 above. You can employ a hammer, nail or screws, but nails are less likely to cause damage.

Unless you've bought a kit that replaces the old counterbalance system it's best to keep the original weights for balancing in place. They're not expensive and easy to install if you buy them at architectural salvage stores. Based on the size of your window, one or two sash weights might be required to keep the sash in an open position.