A Guide To Window Sash Repairs From Start To Finish

Window Sash Repairs

Sashes for windows must be regularly checked for mold, mildew and other damage. By catching these problems early you can save money on future repairs.

The sash is the internal framing that can be moved vertically up or down in windows that are open. This article will show you how to carry out a few simple repairs to sash.

Weather Stripping

Wooden window sashes are a great way to add an elegant look to your home. They are also durable and will last for many years provided they are properly maintained. They may, however, become damaged or degraded with time, due to exposure and normal wear. Sash repair experts can restore windows to their original state and maintain their appearance longer than replacement windows.

The first step to repair sash windows is to address weather stripping, which can be found on both the sash and frame. If it's damaged or worn out, it can cause drafts, as well as other issues. Start by identifying the window brand and Sash Windows Repair the glass manufacturer's date (etched on the glass window repair's corner or on the aluminum spacers between panes). Take the sash off, and mark its width and height so you can find a replacement weather stripping that matches.

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

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

After removing the stoppers for parting and cutting them to the desired length then apply a thin layer of glazing compound over the bottom of the sash. Smooth the compound using a putty tool, and let it dry at least one day. When the putty is fully dried it is possible to apply an acrylic latex topcoat. This coating will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports window sashes may wear out over time and with use. This could result in windows or doors that is difficult to open or close. The good news is that fixing and replacing this hardware is typically very simple and cost-effective. If a sash is difficult to operate you can try spraying some lubrication into the jamb channel, and then open it to see if this solves the issue. If not, the issue is likely to be with the sash balance and you'll need to take out the sash to gain access to this hardware.

The ideal situation is for window sashes to be able to open and close with very little effort, but this is difficult when the weights wear out or if the sash's meeting rail isn't properly glazed. This problem can be caused by a variety of factors, including insufficient maintenance or a mismatched weight rating for the particular window sash.

If the hinge arms of a window are starting to sag, this can cause the sash to drag and eventually land on the frame in the corner directly opposite the hinge arm (Photo 1). To fix the problem ensure that the sash is in the proper position within the frame's opening and take it off. If the sash is secured to the hinge arm, you'll need to remove the hinge arm and replace it (Photo 2). Install the new sash (Photo 3).

Old windows, particularly those in older homes, may be difficult to close and open due to hinges that are sagging and a general inefficiency. In many cases just a few easy fixes can help these windows function smoothly once more and save homeowners money on their energy bills.

To complete these repairs to sash, it's important to have all the necessary tools lined up before you begin. Start by marking the location of the hinge channel on the frame using a pencil (Photo 1). This will allow you to put the channel in the correct position after you've finished. Then, remove the sash, and then remove the hardware including the parting beads (Photo 2) and the chains or cords which hold it in place. A hot gun with nozzle shield and medium setting will soften any putty that has been hardened. Remove the old sash, and store it in a labeled bag.

Sash Weights

Sash weights can be replaced to enhance the efficiency of your window sash and reduce energy costs. Sash weights are composed of iron or lead cylindricals that are contained in a concealed cavity and connected by a rope to the movable window sash. These weights provide counterbalance, allowing the window to be shut and opened without the need for mechanical or electrical devices. When they fail, sashweights tend to be ignored or disabled by homeowners.

A weight from a sash that fell out of the cavity is difficult to recover and you'll need to find a replacement that fits correctly. You will also require a new piece string, a length of sashcord and a few sashpulleys to secure the weights you are replacing to the cord.

Older wood windows are joined using mortise and tenon joints. The wood pegs that hold the components together can be removed using a pin punch and hammer. Most of these pegs have a large diameter on one side and a smaller one on the other, which is why it is essential to remove the small-diameter sides first. Later sashes utilized glue instead of pins. They can be separated with a knife and mallets.

Once the sash has been released, you can remove the stops on the sash and get access to the pockets for weights. This is typically done by drilling tiny holes at the bottom of each jamb. The hole is surrounded by a wooden panel that can be removed to reveal the interior workings.

Once you have the sash stopped and Sash Windows Repair the access panel removed, you will be able to take off the weight from the sash and replace it with new. Weigh the sash first because the weights you've got may not be the correct size. Once the new weight is in place you can tie a string around it and thread it through the pulley for the sash. Then, nail the string to your boxed frame. Leave a few inches at the head of the string to allow future adjustments.

Sash Cords

In the majority of old double-hung windows, a cord or chain is attached to the weights. This helps keep the sashes within the jamb in a balanced manner. Over time, these cords could break, making it impossible to raise the window. A new sash cable can restore the ability to move and lower the sash and ensure it stays in place when opened.

The first step to replace cords for sash is to locate and remove the access panels within the jambs. These are usually fixed or screwed in and must be removed or moved. It may be possible to take them out using the hammer or chisel but it is always best to lay out dust sheets before starting 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 small parting beads from their grooves. These are often wedged in or nailed, but they can be prised free and it's worth your time. If the sash is still in place, pry the mortise-and tenon joints with a screwdriver or hammer and then take out each wood peg. It should now be possible to move the sash around without difficulty, though it might require lubrication if it feels stiff.

With the sash in an open position Take a measurement of the sash windows repair - http://www.nanacademy.co.kr/bbs/board.php?bo_table=free&wr_id=114118 - chain to extend from the pulley on the top of the jamb to the sash slot at the bottom. Cut the chain or cord and attach it in the previous step. You can use a hammer, nails, or screws. However nails are less likely to cause damage.

If you don't have 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 simple to install if you purchase them from salvage shops for architectural use. Based on the size of your window two or three sash weights may be needed to keep the sash in an open position.