Window Sash Repairs
Regularly inspect the window sashes for any damage, mildew and mold. You can save future repair costs by catching these issues early on, before they become too much.
The sash is an inside frame that moves vertically up and down in windows that open. This article will show you how to carry out a few simple repairs to the sash.
Weather Stripping
Wooden window sashes can give an elegant look to your home. They are also sturdy and will last for many years if they are properly maintained. However, they can be damaged or degrade as time passes due to exposure to the elements and wear and tear. Sash repair specialists can restore windows to their original condition and keep them looking great much longer than replacement windows.
The first step for repair sash windows is to address weather stripping, which is found on both the sash and frame. It could cause drafts if worn out or loose. To fix it, begin by finding your window brand and the date of manufacture for the glass (etched in the corner of the glass or on the aluminum spacer between panes). Then, take the sash off and mark its width and height so that you can locate the appropriate weather stripping replacement to match.
Then, remove the sash from its holder and place it on a flat surface to allow you to access all four sides. If your sash has a double-hung, you'll also need to remove the weights and their ropes which should have slipped into the pocket of the jamb liner. Once you've taken the sash off and the weights, use a utility knife to remove the old weather stripping at the corners, then remove it manually or with a putty knife.
When the sash is clean and clean, you can put in the parting stops. These are long pieces of wood that divide the two sashes. Pam prefers to replace them with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard. However, you can also replace them with scrap wood.
After removing the parting stop and cutting it to length and then apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound using your putty tool, and let it dry at least a day. After the putty has completely cure and dried, you can apply an acrylic latex topcoat. This coating will protect the putty and give your sash a new appearance.
Sash Hardware
The hardware that holds window sashes is susceptible to wear and tear from time and usage and the result could be a door or window that isn't able to open or close easily. The good news is that fixing and replacing this hardware is typically very simple and cost-effective. If a sash isn't easy to operate try spraying oil into the jamb channel, and then open it to see if it solves the issue. If the issue continues it's likely to be due to the sash's balance. You'll need to take off the window sash in order to access the hardware.
Window sashes need to open and close without much effort. However, window repair Sunbury-on-Thames could be a challenge if the weights have been worn out or the sash-to-rail connecting rail isn't coated. This issue can be caused by a number of things, such as insufficient maintenance or an incorrect weight rating for the specific sash.
If the hinges on windows begin to slide, this could cause the sash to drag, and then eventually to hit the frame in the opposite corner (Photo 1). To fix 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 was attached to the hinge arm, take it off the hinge and replace it. (Photo 2). Install the new sash next (Photo 3).
Because of sagging hinges and a general lack in energy efficiency, windows that are old especially in older houses, could be difficult to open or close. Sometimes, a few simple fixes can make these windows operate smoothly again and help homeowners save money on their energy bills.
It is essential to have the tools you require before you start. 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 the correct position after you've finished. Remove the sash and remove the hardware including the parting beads (Photo 2) and the chains or cords that secure it. Soften any putty that has been hardened with a heat gun set to medium and equipped with a nozzle shield. 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 to keep your windows functioning by replacing worn out sash weights will improve sash operation and help reduce energy costs. Sash weights are heavy, lead or iron cylinders, which are enclosed inside a hidden compartment and attached to the movable sash by a rope. These weights act as counterbalances and allow you to open and close the window without having to use mechanical or electrical devices. When they fail, sashweights are often neglected or not used by homeowners.
A sash weight that has fallen out of the cavity is difficult to get back, so you will want to find a replacement that fits correctly. You will also require a new piece string, a length sashcord and some sashpulleys to tie the new weights to the cord.
Mortise and Tenon joints are used to join windows made of older wood. Pin punch and hammer 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 crucial to remove first the smaller diameter sides. Sashes made later in the century utilized glue instead of pegs. They can be separated by cutting the glue line with an instrument, and then tapping the mortised area loose with a mallet.
Once the sash has been released, you can remove sash stops and access the pockets for weights. Usually it is done 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 interior workings.
Once you have the sash stopped and the access panel removed, you'll be able to remove the weight from the sash and replace it with new. Weigh the sash first, as the weights you've got may not be the correct size. After the new weight has been installed, thread an appropriate length of string through the pulling mechanism. Then, you can nail the string to the frame, but leave a few inches of string hanging from the head for future adjustments.
Sash Cords
The majority of double-hung windows with a history include a chain or cord attached to the weights that supports and keeps the sashes balanced in the jamb. Over time these cords can break, making it difficult to raise the window. A new sash cable will restore the ability to move and lower the sash and keep it in position when opened.
To replace sash cords, the first step is to remove the access panels from the jambs. These are usually attached by nails or screws and need to be removed. It is possible to take them out using the hammer or chisel however, it is best to lay out dust sheets prior to beginning any work.
After removing the access panel, you are able to begin working on the sash. Utilize a flat bar or chisel, to pry the tiny parting beads from their grooves. It is important to take your time because they are usually stuck or nailed to the floor. If the sash remains in place, remove the mortise and the tenon joints by using pin punch and hammer or screwdriver, then remove the wood pegs on each component. The sash should be able to move freely, however it might require some lubrication in order to feel less 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 chain or cord, and then fix it using Step 6 above. You can use a hammer and screws or nails, however nails are less likely to cause damage.
If you haven't purchased a kit that replaces the old counterbalance system, it's best to keep the original weights for balancing in place. They are not expensive and simple to install if purchased them from salvage shops for architectural use. Depending on the size of your window, one or two sash weights may be needed to keep it in an open position.