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Window Sash Repairs

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

The sash is the internal frame that is vertically moved up or down in windows that open. This article will demonstrate how to perform several simple repairs to sash.

Weather Stripping

Wood window repair near me sashes add the classic look to your home and, when properly maintained, they can last for a long time. They can, however, get damaged or deteriorated over time due to exposure and normal wear and tear. Thankfully, sash door repair experts can restore your windows back to their original condition and keep them looking fantastic for a longer period of time than replacement windows.

The first step in sash window repairs is addressing weather stripping. It's found on both the sash and frame. If it's damaged or worn out, it could cause drafts, as well as other issues. Begin by identifying the window's brand and the manufacturer's date (etched on the corner of the glass, or the aluminum spacers between panes). Then, remove the sash and mark its height and width so that you can locate new weather stripping that matches.

Next, remove the sash and place it on a table so you can access all four sides. If your sash has a double-hung, you'll need to remove the weights and their ropes which should have slipped into the pocket that was intended to be in the jamb liner. Once you've taken the sash off and the weights, use a utility knife to cut off the weather stripping that was formerly in place at the corners. Then, remove it manually or with a putty knife.

Once the sash has been cleared, you can replace parting stops. These are long pieces wood that divide the two sashes. Pam prefers the standard 1/2-inch by 3/4 inch window trimming from the lumberyard. But, you can also substitute with a scrap piece of wood.

After removing the parting stops and trimming them to the desired length, apply a thin layer of glazing compound to the bottom of the sash. Smooth it out using your putty knife, then let it dry for at least a day. Once it's fully cured and dried, apply a second coat of acrylic latex paint. This coating will protect the putty and give your sash a fresh look.

Sash Hardware

The hardware that supports window sashes can wear out over time and use. This could result in windows or doors that is difficult to open or close. The good news is that repairing and replacing this hardware is generally very simple and cost-effective. If a sash isn't easy to operate, try spraying some oil into the jamb channel then slide it open to see if that solves the issue. If the problem persists it's likely to be due to the sash's balance. It is necessary to remove the window sash to get access to this part of the hardware.

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

If the hinge arms of a window are beginning to sag, this can cause the sash's to drag and eventually strike the frame in the corner opposite the hinge arm (Photo 1). To correct the issue make sure the sash is in the proper position within the frame opening and then remove it. If the sash has been attached to the hinge arm, unbolt the hinge and replace it. (Photo 2). Then, put in the new sash (Photo 3).

Windows that are old, especially in older houses, can be difficult to close and open due to hinges that are sagging and a general inefficiency. In most instances, a few easy repairs can transform these windows into smooth operation for the first time and save the homeowner cash on energy costs.

To complete these sash repairs, it's important to have all of the necessary tools lined up before you begin. Mark the hinge channel location on the frame (Photo 1) using a pencil. This will allow you to place the channel in the right place when you are finished. Remove the sash and take out all the hardware, including the beads for parting, cords, and chains that hold the sash in place. Heat gun with nozzle shield and a medium setting can soften any hardened glue. Take off the old sash and store it in an bag with a label.

Sash Weights

Sash weights can be changed to enhance the efficiency of your window sash, and also reduce the cost of energy. Sash weights are composed of heavy lead or iron cylindricals that are contained in a hidden cavity and attached by a rope to the movable window sash. These weights act as counterbalances and allow you to open and shut the window without the need for mechanical or electrical devices. The sash weights are usually disregarded or disabled by homeowners and then turned into scrap when they break; therefore you might need to find replacements.

It's not easy to retrieve a sash-weight that has fallen from the cavity, so you'll want to find one that fits properly. You will also need a new piece of string, a length sash cord and some sash pulleys to tie the new sash weights the sash cord.

Mortise and Tenon joints are used to join old wood windows. The wood pegs holding the components together can be removed with the use of a pin punch and Window repairs hammer. Most of them have an enormous diameter on one side and a smaller diameter on the other, so it is crucial to take out the small-diameter sides first. Later sashes utilized glue instead of pins. They can be cut by using a knife and mallets.

After the sash has been removed and removed, you can take off the sash stop and access the weight pocket. This is usually done via an opening in the bottom of each jamb. This hole is covered with the wooden panel which can be removed to reveal the inside workings.

When the sash has been shut off and the access panel has been removed, you can remove the old weight and replace it. Make sure you weigh the sash before you do this, as the old weights may be different sizes than the one you need. After the new weight is installed, run a string through the sash pulling mechanism. Then, attach the string to the boxed frame. Leave a few inches protruding at the end of the string for future adjustments.

Sash Cords

Most double-hung windows of the past come with a chain or cord attached to the weights that supports and keeps the sashes level in the jamb. 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.

To replace sash cords the first step is to remove the access panels from the jambs. They are usually screwed or nailed in and need to be removed. It is possible to remove them using an axe or hammer, however, it is best to lay out dust sheets prior to starting any work.

Once the access panel is removed, you can start working on the sash. Make the small parting beads (also called "tie rails") out of their grooves with the chisel or flat bar. These are often wedged in or nailed in, but they can be prised free, so it's worth taking your time here. If the sash remains in place, pull the mortise and tenon joints free with a hammer or screwdriver, then remove each wood peg. You should now be able to move the sash around freely, though it may require lubrication if it feels stiff.

With the sash in an open position With the sash in an open position, measure the sash chain or cord to extend from the pulley at the top of the jamb to the sash slot at the bottom. Cut the cord/chain, and then attach it as described in the step 6 above. You can use a hammer and screws or nails, but nails are less likely to cause damage.

It is recommended to keep the original weights if you've purchased a kit that will replace the counterbalance that was previously installed. It's cheap to purchase these from salvage shops for architectural purposes and they'll be simple to install once you've got the sash open. Based on the size of your window one or two sash weights could be needed to keep it open.