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Window Sash Repairs

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

The sash is an interior frame that is vertically moved upwards or downwards in windows that open. This article will teach you how to do a variety of simple repairs to the sash.

Weather Stripping

Wood window sashes add the classic look to your home. When properly maintained, they can last for years. However, they can become damaged or degraded with time due to exposure or normal wear. Sash repair experts can restore windows to their original state and maintain their appearance longer than replacement windows.

The first step in repair sash window damage is to fix weather stripping, which is found on both the sash as well as the frame. It can cause drafts if it's worn or loose. Start by identifying the window brand and the date of manufacture for the glass (etched on the glass's corner or on the aluminum spacers between panes). Then, remove the sash and mark its height and width, so you can find replacement weather stripping to match.

Then, take the sash from its holder, and place it on a flat surface to allow you to see all four sides. If your sash is double glazing window repairs-hung, you'll also need to remove the weights as well as the ropes that go with them that should have fallen into the pocket of the jamb liner. After you have removed the sash using the utility knife, Window Sash Repairs take off the weather stripping that was left by hand or with a putty blade.

When the sash is clean, you can replace the parting stops. These are long pieces of wood that are used to separate the two sashes. Pam prefers the standard 1/2-inch by 3/4-inch window trimming from the lumberyard. But, you can substitute for a scrap piece of lumber.

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 let it dry for at least a day. Once the putty has fully cure and dried, you can apply a topcoat of acrylic. This coating will protect the putty and give your sash a new look.

Sash Hardware

The hardware that holds the windows sashes can become worn out over time and use. This could lead to a door or a window that is difficult to open or close. It's important to know that replacing or fixing this hardware is usually simple and inexpensive. If a sash is difficult to operate you can try spraying some oil into the jamb channel then slide it open to see if this solves the issue. If not, the problem is likely to be with the sash balance, and you'll need to take out the sash to access this hardware.

Ideally, window sashes must move open and shut with very little effort, but this is an issue when the weights are worn or if the sash that joins rail isn't properly glazed. This issue could be caused by a number of factors, including lack of maintenance or by an incorrect weight rating for a particular sash.

If the hinge arms of a window are beginning to lose their elasticity, this could cause the sash's to drag and eventually strike the frame in the corner that's directly opposite the hinge arm (Photo 1). To fix the problem, make sure that the sash is in the proper position within the frame's opening and take it off. If the sash is attached to the hinge arm, remove the hinge and replace it. (Photo 2). Install the new sash next (Photo 3).

Old windows, especially those in older homes, can be difficult to close and open due to sagging hinges and a general inefficiency. Many times it is a matter of making a few minor adjustments that can help these windows function smoothly once more and save homeowners money on energy bills.

It is crucial to have the tools needed before you begin. Mark the hinge channel location on the frame (Photo 1) with pencil. This will make it easier to put the channel in the correct location after you've completed. Take the sash off, and remove all the hardware including the parting beads, cords, and chains that keep the sash in place. The nozzle shield of the heat gun and medium setting will soften any hardened glue. Take off the old sash and put it in a bag with a label.

Sash Weights

If your window sash repairs are to replace a broken cord or to ensure that the windows are functional by replacing worn out sash weights will improve sash operation and cut down on energy consumption. Sash weights are made of heavy iron or lead cylindricals that are contained in a concealed cavity and connected by ropes to the movable window sash. They are counterbalancers, allowing the window to be shut and opened without the need for mechanical or electrical devices. If they fail, sashweights tend to be neglected or not used by homeowners.

A sash weight that has fallen out of the cavity is difficult to retrieve, so you will want to locate a new one that fits correctly. You will also require a new piece string, a length sashcord and a few sashpulleys to secure the weights you are replacing to the cord.

Older wood windows are joined by mortise and tenon joints. The wood pegs that keep the parts together can be removed using pin punches and hammers. The majority of these pegs have an enormous diameter on one side and a smaller one on the other, so it is essential to remove the small-diameter sides first. Later sashes utilized glue instead of pins. They can be separated by using a knife or a mallet.

After the sash is released, you can remove the sash stops and gain access to the weight pockets. This is typically done by drilling an opening at the bottom of every jamb. This hole is covered with a wooden panel that can be removed to reveal the inner workings.

Once the sash is stopped and the access panel has been removed, you can take off the weight you used and replace it. Be sure to weigh the sash before you do this, since the weights that were previously used may be different in size from the one you need. Once the new weight is in place then tie a string to it and then thread it through the sash pulley. Then, nail the string to your boxed frame. Leave a few inches at the head of the string for future adjustments.

Sash Cords

In the majority of double-hung windows, a chain or cord is attached to the weights. This supports and keeps the sashes in the jamb level. Over time these cords can break, making it difficult to raise the window. A new sash cable will give you the ability to raise and lower the sash and keep it in place when opened.

The first step in replacing cords for sash is to locate and remove the access panels within the jambs. They are usually attached by nails or screws and require removal. It may be possible to remove them using a hammer or chisel, however, it is best to lay out dust sheets before beginning any work.

After removing the access panel, you can begin working on the sash. Take the narrow beads (also known as "tie rails") out of their grooves with flat bar or chisel. They are usually wedged in or nailed, but they can be prised free, so it's worth taking your time. If the sash remains in place, pry the mortise-and tenon joints with a hammer or screwdriver and then take out each wood peg. You should be able to move the sash back and forth freely, although it might require lubrication if it feels stiff.

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

If you haven't purchased an item that replaces the old counterbalance system it is recommended to keep the original balancing weights in place. They're not expensive and easy to install if purchased them from salvage shops for architectural use. Based on the size of your window one or two sash weights could be needed to keep the sash in an open position.