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Window Sash Repairs

Window sashes need to be regularly checked for mold, mildew and other damage. You can save the cost of repairs in the future by catching the issues early on before they become out of control.

The sash is an interior frame that is able to move upwards and downwards in windows that are open. This article will show you how to perform several simple sash repair.

Weather Stripping

Wood window sashes add an elegant look to your home and, when properly maintained, they will last for a long time. They can, however, become damaged or degraded with time due to exposure and normal wear and tear. Sash repair specialists can restore windows back to their original condition and maintain their appearance much longer than replacement windows.

The first step to sash window repairs (vuf.minagricultura.gov.co) is addressing weather stripping, which is found on both the sash and frame. If it's damaged or worn out, it can cause drafts and other problems. Begin by identifying the brand of window and the manufacturer's date (etched on the corner of the glass or the aluminum spacers between panes). Take the sash off and mark its size and width so that you can find a replacement weather stripping that matches.

Then, you can remove the sash from its holder, and place it on an even surface that allows you to access all four sides. If your sash has been double-hung, you must remove the weights with their ropes that should fall into the pocket in the jamb lining. Once you've removed the sash and the weights, use a utility knife to remove the weather stripping from the corners, then remove it by hand or using a putty blade.

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

After removing the stopper for the parting and cutting it to length, apply a thin coat of glazing compound on the bottom of the sash. Smooth the compound using your putty tool and allow it to dry for at least a day. When it's completely dried and dried, apply a second coat of acrylic latex paint. This will protect the putty and give your sash a fresh appearance.

Sash Hardware

The hardware that supports window sashes prone to wearing out from the wear and tear of use and the result could be a window or door that isn't able to open or close easily. It's a good idea to know that replacing or fixing this hardware is usually easy and affordable. If you're having difficulty opening a sash, spray some oil into the jamb channel. Then, slide the sash open to see if it resolves the problem. If the issue persists it's likely the sash balance. It is necessary to take off the window sash to reach this hardware.

The ideal situation is for window sashes to be able to open and close with very little effort, however, this can be a difficult task when the weights wear out or if the sash that joins rail isn't properly coated. This problem can be caused by a variety of reasons, such as insufficient maintenance or the wrong weight rating for a particular sash.

If the hinges on a window begin to sag this could cause the sash to drag and eventually hit against the frame at the opposite corner (Photo 1). To correct the issue make sure the sash is aligned in the frame opening and then take it off. If the sash has been screwed to the hinge arm, you'll need to remove the hinge arm and replace it (Photo 2). Install the new sash next (Photo 3).

Due to hinges that are sagging, and a general lack of energy efficiency, older windows especially in older houses, could be difficult to open and close. Sometimes it is a matter of making a few minor adjustments that can make these windows operate smoothly and save homeowners money on energy costs.

It is important to have the tools you need before you start. Begin by marking the location of the hinge channel on the frame with a pencil (Photo 1). This will make it easier to put the channel in the correct place when you are finished. Take the sash off and then remove all hardware, including the parting beads, cords, and chains that hold the sash in place. Heat gun with nozzle shield and a medium setting can soften any hardened putty. Take off the old sash and store it in an labelled bag.

Sash Weights

Sash weights can be replaced to enhance the efficiency of your window sash and decrease energy costs. Sash weights are hefty lead or iron cylinders enclosed in a hidden cavity and attached to the movable sash by rope. These weights provide counterbalance, allowing the window to be closed and opened without the use of electrical or mechanical devices. If they fail, sashweights are usually left unnoticed or disabled by homeowners.

A weight in a sash that has fallen out of the cavity is difficult to retrieve It is therefore important to find a new one that fits correctly. You will also require a new piece of string, a length of sashcord and some sashpulleys to tie the new weights to the cord.

Mortise and Tenon joints can be used to join older wood windows. Pin punch and hammer can be used to remove the wood pegs that hold the components together. Most of them have large diameters on one side and a smaller size on the other, which is why it is crucial to take out the smaller-diameter sides first. Sashes made later in the century used glue instead of pegs and can be separated by cutting the glue line using the help of a knife, and then tapping the mortised area loose using mallets.

Once the sash has been removed, you can take off the stops on the sash and get access to the pockets for weights. This is usually done through tiny holes at the bottom of each jamb. This hole is covered by an access panel of wood that can be cut off to allow you to view the inside of the frame.

After the sash has been stopped and the access panel has been removed, you can take off the old weight and replace it. Weigh the sash first because the weights you have may not be the right size. Once the new weight is in place you can tie a string around it and then thread it through the pulley of the sash. Then attach the string to the boxed frame, but leave a few inches of string sticking out from the head for future adjustments.

Sash Cords

Most double glazed window repairs-hung windows of the past come with a chain or cord attached to the weights that supports and keeps the sashes balanced within the jamb. Over time, these cords could break, making it impossible to raise the window. A new sash cord will restore the ability to move the sash upwards and downwards and keep it in position when it is opened.

The first step to replace sash cords is to find and remove the access panels within the jambs. These are usually nailed or screwed in and will require to be removed or moved. It may be possible to remove them using the hammer or chisel but it is always better to lay out dust sheets before starting any work.

After the access panel has been removed, you can start working on the sash. Take the narrow beads (also called "tie rails") out of their grooves using a chisel or flat bar. It is essential to take your time, as these are often placed in a wedge or nail. If the sash remains in place, remove the mortise and tenon joints with a hammer and pin punch or screwdriver, and then take out the wood pegs that are on each piece. You should now be able to move the sash back and forth freely, although it will probably need some lubrication if it feels stiff.

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

It's best to leave the original weights if you've purchased a kit to replace the counterbalance that was previously installed. It's cheap to purchase them from architectural salvage stores and they'll be easy to install once you have the sash unlocked. Depending on the size and shape of your window you may require one or two sashweights to keep it open.