Window Sash Repairs
Regularly inspect the window sashes for any damage, mildew and mold. You can avoid the cost of repairs in the future by catching the issues early, before they become out of control.
The sash is an interior framing that can be moved vertically upwards or downwards in windows that open. This article will teach you how to do simple sash repairs.
Weather Stripping
Wood window sashes provide a classic aesthetic to your home. If properly maintained, they will last for a long time. However, they may become damaged or degraded in time because of exposure to the elements and normal wear and wear and tear. double glazing repair Maidenhead , sash 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 for repair sash window damage is to fix weather stripping, which can be found on both the sash as well as the frame. If it's worn or loose, out, it can lead to drafts, as well as other issues. To fix it, begin by determining your window's brand and the date on which the glass was manufactured (etched in the corner of the glass or on the aluminum spacer between panes). Take the sash off, and mark its width and height so that you can purchase replacement weather stripping that matches.
Then, remove the sash from its holder and place it on a flat surface to allow you to reach all four sides. If your sash has a double-hung, you'll need to remove the weights and their accompanying ropes, which should have fallen into the pocket of the jamb liner. Once you've removed the sash using a utility knife, you can use it to cut away the weather stripping that was formerly in place at the corners, then remove it manually or using a putty knife.
When the sash is clean it is time to replace the parting stops. These are long pieces that split the sashes. Pam likes to replace these with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard, however you could also use scrap wood.
After removing the parting stop and cutting it to length after which, apply a thin layer of glazing compound on the bottom of the sash. Smooth the compound with your putty knife, and then let it dry for at least a few days. After the putty has completely cure and dried, you can apply a topcoat of acrylic. This will protect the putty and give your sash an updated look.
Sash Hardware
The hardware that supports windows sashes can become worn out over time and with use. This could lead to a door or a window that is difficult to open or close. The good news is that repairing and replacing this hardware is usually quite simple and inexpensive. If a sash isn't easy to operate you can try spraying some grease into the jamb channel and then slide it open to see if that solves the issue. If not, the problem is likely with the balance of the sash and you'll need to remove the sash to access this hardware.
The ideal situation is for window sashes to swing open and closed without effort, but this is an issue if the weights become worn or if the sash that joins rail isn't properly glazed. This problem could be caused by various reasons that include an absence of maintenance or an unmatched weight rating.
If the hinge arms of a window are starting to sag, this can cause the sash to drag and eventually strike the frame in the corner opposite the hinge arm (Photo 1). To correct the issue, make sure that the sash is aligned in the frame's opening and take it off. If the sash is fixed to the hinge arm, take it off the hinge and replace it. (Photo 2). Install the new sash (Photo 3).
Due to hinges that are sagging, and a general lack in energy efficiency, older windows particularly those in older houses, could be difficult to open or close. In many instances, a few easy repairs can transform these windows into smooth operators again and save the homeowner cash on energy costs.
It is important to have the tools you require before you start. Start by marking the location of the hinge channel on the frame using pencil (Photo 1). This will make it easier to position the channel in the correct location after you've completed. Remove the sash and take out all the hardware, including the parting beads, cords, and chains that help to hold the sash. Soften any hardened putty using the help of a heat gun set at medium and fitted with an shield for the nozzle. Remove the old sash, and place it in a bag that is labeled.
Sash Weights
No matter if your window sash repair needs are to replace a broken cord or just to keep the windows functional, replacing worn out weights on sash can improve sash operation and reduce the energy cost. Sash weights are heavy, lead or iron cylinders that are enclosed in a concealed cavity and attached to the movable sash by rope. These weights act as counterbalances, which allows you to open and close the window without having to use mechanical or electrical devices. The sash weights are often disregarded or disabled by homeowners and turned into scrap when they fail; therefore, you may need to search for replacements.
It's difficult to retrieve a sash-weight that has fallen from the cavity, so you'll need to find one that is suitable for the. You will also need a new piece of string, a length of sash cord and some sash pulleys that will tie the new sash weights the sash cord.
Mortise and Tenon joints can be used to join windows made of older wood. The wood pegs holding the parts together can be removed using the use of a pin punch and hammer. The majority of them are large on one side, but smaller on the other. It is important to remove first the smaller diameter sides. Later sashes used glue instead of pins. They can be separated with a knife and mallet.
After the sash is removed then you can take out the stopper on the sash and get access to the weight pocket. Usually this is accomplished by drilling an opening at the bottom of each jamb. The hole is then covered with the wooden panel which can be removed to reveal the inside workings.
Once the sash is stopped and the access panel is removed, you can take off the weight that was previously installed and replace it. Make sure you weigh the sash prior to you do this, since the old weights could be different sizes than what you require. After the new weight has been installed, you can thread a string through the sash pulling mechanism. Then nail the string to the frame, but leave a few inches of string protruding from the head for future adjustment.
Sash Cords
Most double-hung windows of the past come with a chain or cord attached to the weights which supports and keeps the sashes in balance within the jamb. Over time, these cords can get damaged and make it impossible to raise windows. A new sash cable will give you the ability to move and lower the sash and keep it in place when it is opened.
To replace sash cords, the first step is to remove the access panels from the jambs. These are usually attached by nails or screws and require removal. You may be able to use a hammer and chisel to prise them off, but it's always better to lay down dust sheets before commencing any work.
After removing the access panel, you can begin to work on the sash. Prise the narrow parting beads (also known as "tie rails") out of their grooves using flat bar or chisel. It's important to take your time as they're often placed in a wedge or nail. If the sash is still in place, remove the mortise and the tenon joints by using the help of a hammer and pin or screwdriver, and then take out the wood pegs attached to each piece. You should be able to move the sash back and forth freely, although it might require lubrication if it feels stiff.
Measure the length of sash cord/chain needed to reach the sash slot at the bottom from the pulley located at the top of the jamb. Cut the cord/chain and then attach it in Step 6 above. You can either employ a hammer and screws or nails, however nails are less likely to cause damage.
It is best to keep the weights that came with the original counterbalance unless you've purchased a kit to replace the counterbalance. It's cheap to purchase them from a salvage store and they'll be easy to install once you've got the sash unlocked. Based on the dimensions and shape of your window, you may need to use one or two sashweights to keep the sash open.