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Window Sash Repairs

Regularly inspect the window sashes for signs of damage, mildew and mold. By catching these problems early you will save money on repairs in the future.

The sash is the internal framing that can be moved vertically upwards or downwards in windows that are open. This article will show you how to make several simple repairs to sash.

Weather Stripping

Wood window sashes provide an elegant look to your home. If properly maintained, they can last for a long time. However, they can become damaged or deteriorate over time because of exposure to the elements and wear and tear. However, sash repair experts can restore your windows back to their original condition and maintain their appearance for a longer period of time than replacement windows.

The first step to repair sash window damage is to fix weather stripping, which is found on both the sash and frame. If it's damaged or worn out, it can lead to drafts, as well as other issues. Begin by identifying the window's brand and the glass manufacturer's date (etched on the corner of the glass or the aluminum spacers between panes). Then, take the sash off and mark its height and width so that you can locate replacement weather stripping to match.

Then, you can remove the sash from its holder, and place it on flat surfaces to allow you to reach all four sides. If your sash has been double glaze repair near me-hung, you must remove the weights using their ropes that should be buried within the jamb lining. After you have removed the sash using the utility knife, you can remove the old weather stripping by hand or using a putty knife.

After the sash has been cleared, you can install the parting stops. They are long pieces of wood that separate the two sashes. Pam prefers the standard 1/2-inch by 3/4 inch window trimmings from the lumberyard. However, you can also substitute a scrap piece of wood.

After removing the stoppers for parting and trimming them to your desired length, apply a thin layer of glazing compound on the bottom of the sash. Smooth it out using your putty knife and let it dry for at least a day. Once the putty has fully cured, you can apply a topcoat of acrylic. This will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that holds the window sashes can wear out over time and with use. This could result in a door or a window that is difficult to open or close. It's good to know that replacing or repair of this hardware is typically easy and affordable. If a sash isn't easy to operate, try spraying some grease into the jamb channel and then open it to see if this fixes the problem. If not, the issue is most likely due to the sash balance and you'll need to remove the sash to gain access to the hardware.

The ideal situation is for window sashes to be able to open and close without effort, but this can be a difficult task when the weights are worn or if the sash that joins rail isn't properly coated. This problem can be caused by a number of things, such as insufficient maintenance or an incorrect weight rating for a particular sash.

If the hinge arms on windows repairs near me 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 the problem make sure the sash is centered in the frame's opening and take it off. If the sash is screwed to the hinge arm, you'll have to remove 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 deficiency in energy efficiency, windows that are old particularly those in older houses, could be difficult to open and close. Many times, a few simple fixes can help these windows function smoothly and help homeowners save money on their energy bills.

To complete these repairs to the sash it is essential to have all the necessary tools in place before you begin. Mark the hinge channel location on the frame (Photo 1) using a pencil. This will make it easier to place the channel in the correct location after you've completed. Then, remove the sash and take off the hardware including the beads that separate (Photo 2) and the chains or cords that hold it in place. Soften any putty that has been hardened with an electric heat gun set to medium and fitted with a 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 simply to keep your windows functioning, replacing worn out weights for sash will improve its operation and help reduce the energy cost. Sash weights are composed of iron or lead cylindricals that are contained in a hidden cavity and connected by ropes to the moveable window sash. These weights function as counterbalances, which allows you to open and close the window without having to use mechanical or electrical devices. The sash-weights are typically ignored or discarded by homeowners and then turned into scrap when they fail. Consequently, you may need to find replacements.

A weight from a sash that fell out of the cavity is difficult to recover, so you will want to find a new one that fits correctly. You will also require a new piece string, a length of sashcord and some sashpulleys to tie the weights you are replacing to the cord.

Mortise and Tenon joints can be used to join older wood windows. The wood pegs that hold the parts together can be removed by the use of a pin punch and hammer. Most of these pegs have large diameters on one side and a smaller size on the other side, so it is essential to remove the smaller-diameter ones first. Later sashes utilized glue instead of pins. They can be separated by using a knife and mallets.

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

After the sash has been stopped and the access panel removed, you'll be able to take off the weight of the old sash and replace it with the new. Be sure to weigh the sash before you begin, as the old weights may be a different size than what is needed. Once the new weight is installed, run a string through the sash pulling mechanism. 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

In the majority of double glaze window repair-hung windows, a cord or chain is affixed to the weights. This keeps the sashes of the jamb balanced. Over time, these chains can become damaged and render 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 position when opened.

The first step in replacing cords for sash is to locate and remove the access panels within the jambs. These are usually nailed or screwed in and will require to be removed or repositioned. It is possible to take them out using a hammer or chisel, but it is always best to lay out dust sheets before beginning any work.

After removing the access panel, you can begin working on the sash. Utilize a flat bar, or chisel, to pry the narrow parting beads from their grooves. They are typically wedged into or nailed, but they can be snipped out and it's worth your time here. If the sash is in place, break the mortise and tenon joints with a hammer and pin punch or screwdriver, and then take out the wood pegs on each component. 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 open, measure enough sash cord/chain to reach from the pulley on the top of the jamb to the sash slot in the bottom. Cut the cord/chain and then attach it in Step 6 above. You can either use a hammer and screws or nails, however nails are less likely to cause damage.

It's best to leave the original weights if you have purchased a kit to replace the old counterbalance. It's not expensive to buy these from salvage shops for architectural purposes and they'll be easy to install once you've got the sash unlocked. Depending on the size of your window, one or two sash weights could be needed to keep it open.