Window Sash Repairs

Window sashes must be regularly checked for mold, mildew, and damage. You can save future repair costs by catching problems in the early stages, before they become out of control.

The sash is the internal framing that can be moved vertically up or down in windows that open. This article will demonstrate how to do a variety of simple repairs to the sash.

Weather Stripping

Wood window sashes add an elegant look to your home. If properly maintained, can last for a long time. They may, however, be damaged or degraded over time, due to exposure and normal wear. Sash repair specialists can restore windows to their original state and maintain their beauty much longer than replacement windows.

The first step to sash window repairs is addressing weather stripping, repairmywindowsanddoors.co.uk which can be found on both the sash as well as the frame. It can cause drafts if damaged or is loose. 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). Remove the sash, and mark its width and height so you can get new weather stripping that is compatible with the original.

Then, remove the sash from its holder, and place it on a flat surface to allow you to see all four sides. If the sash is double-hung, take out the weights with their ropes that should be buried inside 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 blade.

After the sash is cleared, you can install the stoppers that separate the two sashes. They are long pieces of wood that divide the two sashes. Pam prefers to use the standard 1/2-inch by 3/4-inch window trim from the lumberyard. However, you can also substitute for a scrap piece of lumber.

After removing the stopper and cutting it to length and then apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound using your putty tool and allow it to dry for at least one day. Once the putty has fully cured and dried, you can apply a topcoat of acrylic. This will protect the putty and give your sash a modern appearance.

Sash Hardware

The hardware that supports window sashes susceptible to wear and tear from the wear and tear of use, and the result can be a door or window that can't be opened or closed easily. It's a good idea to know that replacing and repair of this hardware is typically straightforward and cost-effective. If a sash isn't easy to operate, try spraying some lubrication into the jamb channel and then open it to see if it fixes the problem. If the problem persists it's most likely that the sash balance is off. You will need remove the window sash to access the hardware.

Sashes for windows should be able to be able to open and close with minimal effort. However, this may be difficult if weights are worn out or the sash meeting rail is not properly covered with. This issue could be caused by various reasons, including the lack of maintenance or a mismatched weight rating.

If the hinges on a window begin to sag this can cause the sash drag and eventually hit against the frame in the opposite corner (Photo 1). To address this issue, first make sure the sash is squarely inserted into the opening of the frame and then take it out of the window. If the sash has been screwed onto the hinge arm, unbolt the hinge and replace it. (Photo 2). Install the new sash (Photo 3).

Windows that are old, especially in older houses, can be difficult to open and close, due to sagging hinges and general inefficiency. In most instances, a few minor repairs can turn these windows into smooth operation and save homeowners cash on energy costs.

To make these repairs to 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) with a pencil. This will assist you in getting the channel back into place correctly when you're finished. 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. The nozzle shield of the heat gun and a medium setting can soften any hardened glue. Take off the old sash and put it in a bag with a label.

Sash Weights

Sash weights can be changed to improve the operation of your window sash, and also reduce the energy cost. Sash weights are heavy lead or iron cylinders enclosed in a hidden cavity and connected to the movable sash by a rope. They function as counterbalances and allow you to open and shut the window without having to use mechanical or electrical devices. The sash-weights are typically disregarded or disabled by homeowners and turned into scrap when they fail; therefore you might need to search for replacements.

A weight from a sash that fell 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 fresh piece of string, a length of sashcord and a few sashpulleys to secure the new weights to the cord.

Older wood windows are joined using mortise and tenon joints. Hammers and pins can be used to cut off the wood pegs holding the components together. The majority of these pegs are big on one side and smaller on the other. It is crucial to first remove the smaller diameter sides. Sashes that were made later in the century utilized glue instead of pegs. They can be separated by cutting through the glue line with the help of a knife, and then tapping the mortised part loose with a mallet.

Once the sash has been released, you can remove the sash stops and gain access to the pockets for weights. This is usually done through tiny holes at the bottom of every jamb. This hole is covered with an unfinished wooden panel that can be removed to reveal the inside workings.

When the sash has been shut off and the access panel has been removed, you can take off the weight that was previously installed and replace it. First, weigh the sash because the weights you have may not be the correct size. After the new weight is in place, tie a string to it and then thread it through the pulley for the sash. Then, attach the string to your boxed frame. Leave a few inches of space at the top of the string for future adjustments.

Sash Cords

In the majority of old double-hung windows the chain or cord is affixed to the weights. This helps keep the sashes in the jamb in a balanced manner. Over time, these cords can become damaged and render it impossible to raise windows. A new sash cable can restore the ability to move and lower the sash and keep it in position when it is opened.

To replace sash cords the first step is to remove the access panels from the jambs. They are usually screwed or nailed into and need to be removed. You may be able to employ a hammer and chisel to prise them off, but it's always better to lay down dust sheets before starting any work.

After you have removed the access panel, you can begin working on the sash. Use a flat bar or chisel, to pry the tiny parting beads from their grooves. These are often wedged in or nailed but can be snipped out and it's worth your time. If the sash is still in place, break the mortise-and-tenon joints out with a screwdriver or hammer and then remove each wood peg. The sash should move around freely now, however it might require some lubrication to feel less stiff.

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

If you don't have an upgrade kit to replace the old counterbalance system, it's best to keep the original weights for balancing in place. They are not expensive and easy to install if you purchase them from architectural salvage stores. Depending on the size of your upvc window repairs near me two or three sash weights may be needed to keep the sash in an open position.