Window Sash Repairs

Window sashes need to be regularly checked for mold, mildew and damage. You can reduce future repair costs by catching problems early on before they become out of control.

The sash is an interior framing that moves vertically upwards or downwards in windows that are open. This article will demonstrate how to do a variety of simple sash repair.

Weather Stripping

Wood upvc window repair near me sashes give a classic aesthetic to your home and, when properly maintained, they can last for many years. However, they can become damaged or deteriorate in time due to exposure to elements and normal wear and tear. Sash repair specialists can restore windows back to their original condition and maintain their beauty longer than replacement windows.

Weather stripping is the first aspect to consider when you are repairing sash windows. It's located on both the frame and the sash. If it's worn or loose, out, companies it could cause drafts and other issues. Begin by identifying the window's brand and the glass manufacturer's date (etched on the glass's corner 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.

Then, take the sash from its holder, and place it on an even surface that allows you to reach all four sides. If your sash has a double-hung, you'll need to take off the weights and their ropes which should have slipped into the intended pocket in the jamb liner. Once you've taken the sash off using a utility knife, you can use it to cut away the old weather stripping at the corners, and then remove it manually or using a putty knife.

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

After removing the stoppers for parting and trimming them to the desired length then apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound using your putty tool, and let it dry for at least one day. After it has fully dried, apply a top 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 is susceptible to wear and tear from time and usage, and the result can be a door or window that isn't able to open or close easily. It's good to know that replacing or repair of this hardware is typically straightforward and cost-effective. If a sash becomes difficult to operate, try spraying some grease into the jamb channel, and then slide it open to see if this resolves the issue. If the issue continues it's likely to be due to the sash's balance. You'll need remove the window sash to get access to this part of the hardware.

Ideally, window sashes must be able to open and close with very little effort, but this can be a difficult task if the weights become worn or if the sash meeting rail isn't properly coated. This issue could be caused by a variety of factors, including the lack of maintenance or a mismatched weight rating for the specific window sash.

If the hinge arms on windows begin to slide, this could cause the sash to drag, and then eventually to hit the frame in the opposite corner (Photo 1). To resolve this problem, first ensure that the sash fits squarely in the frame's opening and then take it out of the window. If the sash has been screwed to the hinge arm, you'll need to unscrew the hinge arm and replace it (Photo 2). Next, install the new sash (Photo 3).

Due to hinges that are sagging, and a general lack of energy efficiency, older windows, especially those in older houses, could be difficult to open and close. In many cases, a few simple repairs can turn these windows into smooth operation and save homeowners money on energy costs.

In order to make these repairs to the sash it is essential to have all of the necessary tools in place before you begin. Mark the hinge channel location on the frame (Photo 1) with pencil. This will make it easier to place the channel in the proper place when you are finished. Remove the sash and then remove all hardware, including the beads for parting, cords, and chains that help to hold the sash. Soften any hardened putty with an electric heat gun set to medium and equipped with a shield for the nozzle. Remove the old sash and put it in a bag with a label.

Sash Weights

Sash weights can be replaced to improve the operation of your window sash, and also reduce energy costs. Sash weights are heavy, lead or iron cylinders enclosed inside a hidden compartment and connected to the movable the sash with rope. These weights provide counterbalance, allowing the window repair near me to be shut and opened without the need for mechanical or electrical devices. The sash weights are usually neglected or ignored by homeowners and then turned into scrap when they fail. Consequently you may have to find replacements.

A weight in a sash that has fallen out of the cavity is difficult to retrieve and you'll need to locate a new one that fits correctly. You will also require a new piece string, a length sashcord and a few sashpulleys for tying the new weights to the cord.

Mortise and Tenon joints can be used to join windows made of older wood. Hammers and pins can be used to take out the wood pegs that hold the components together. The majority of these pegs are large on one side and smaller on the other. It is important to remove first the smaller diameter sides. Sashes that were made later in the century made use of glue instead of pegs and can be separated by cutting the glue line using an instrument, and then tapping the mortised section loose using a mallet.

After the sash is removed, you can remove the sash stop and access the weight pocket. This is usually done through an opening in the bottom of each jamb. This hole is covered by an access panel of wood that can be cut off to let you observe the inner workings of the frame.

When the sash has been shut off and the access panel has been removed, you can take off the old weight and replace it. Be sure to weigh the sash first because the weights you've got may not be the right size. After the new weight has been installed, run the string through the sash pulling mechanism. Then, nail the string to the boxed frame. Leave a few inches at the end of the string to allow future adjustments.

Sash Cords

The majority of double-hung windows with a history include a chain or cord attached to the weights that keeps the sashes level within the jamb. As time passes, these cords can get damaged and make it difficult to raise windows. A new sash cable can restore the ability to raise and lower the sash, and ensure it stays in place when opened.

The first step to replace cords for sash is to locate and take out the access panels located in the jambs. They are typically nailed or screwed in and must be removed or repositioned. You may be able to use a hammer or chisel to prise them off but it's best to lay down dust sheets prior to starting any work.

After removing the access panel, you can begin to work on the sash. Make the small parting beads (also known as "tie rails") out of their grooves with a chisel or flat bar. These are often wedged in or nailed but can be removed, so it's worth taking your time here. If the sash is still in place, remove the mortise and tenon joints using the help of a hammer and pin or screwdriver, and then take out the wood pegs that are on each piece. It should now be possible to move the sash around freely, though it will probably need some lubrication if it feels stiff.

Measure the length of sash cord/chain needed to reach the sash slot on the bottom of the pulley at the top of the jamb. Cut the cord/chain, and then attach it as described in the previous step. You can use a hammer, nails, or screws. However, nails are less likely to cause damage.

It is best to keep the weights that came with the original counterbalance unless you have purchased a kit that will replace the old counterbalance. It's not expensive to buy these from salvage shops for companies architectural purposes and they'll be easy to install once you have the sash opened. Depending on the size of your window one or two sash weights might be required to keep it open.