Window Sash Repairs
Sashes for windows must be inspected regularly for signs of mold, mildew and other damage. You can save future repair costs by catching these issues early on before they become too much.
The sash is an interior frame that is vertically moved upwards or downwards in windows that are open. This article will show you how to do a variety of simple repairs to the sash.
Weather Stripping
Wooden window sashes are a great way to add an elegant appearance to your home. They are also durable and will last for many years when they are maintained properly. However, they can become damaged or deteriorate in time due to exposure to elements and wear and tear. Fortunately, sash repair specialists can bring your windows back to their original condition and maintain their appearance for much longer than newer replacement windows.
The first step to repair sash window damage is to fix weather stripping, which can be found on both the sash and frame. If it's worn or loose, out, it could cause drafts, as well as other issues. Begin by identifying the brand of window and the date of manufacture for the glass (etched on the glass's corners or on the aluminum spacers between panes). Then, remove the sash and mark its height and width to find the appropriate weather stripping replacement to match.
Then, take the sash from its holder, and place it on flat surfaces to allow you to reach all four sides. If your sash has been double-hung, take out the weights using their ropes that should fall into the pocket within the jamb lining. Once you've removed the sash, use a utility knife to cut off the weather stripping from the corners, then take it off by hand or with a putty knife.
After the sash has been cleared and clean, you can put in the parting stops. These are long pieces that split the sashes. Pam likes to replace them with standard 1/2-inch-by - 3/4-inch window trim from the lumberyard, however you could also use a piece of scrap wood.
After removing the stoppers for parting and trimming them to your desired length, apply a thin layer of glazing compound to the bottom of the sash. Smooth the compound with your putty knife and let it dry for at least a day. After it has fully dried then apply a top coat of acrylic latex paint. This will protect the putty and give your sash a new look.
Sash Hardware
The hardware that holds window sashes is prone to wearing out from the wear and tear of use and the result could be a window or door that won't open or close easily. The good news is that repairing and replacing this hardware is generally very simple and cost-effective. If you are having trouble opening a sash, spray some oil into the jamb channel. Then, you can slide the sash open to see if it resolves the issue. If not, the issue is most likely due to the sash balance and you'll have to take off the sash to gain access to this hardware.
Ideally, window sashes must move open and shut without effort, however, this can be difficult if the weights become worn or if the sash meeting rail isn't properly coated. This problem can be due to various reasons, including a lack of maintenance and an unmatched weight rating.
If the hinge arms on the window begin to move, this could cause the sash to drag and eventually hit against the frame at the opposite corner (Photo 1). To remedy the issue, make sure that the sash is aligned in the frame's opening and remove it. If the sash has been screwed to the hinge arm, you'll have to remove the hinge arm and replace it (Photo 2). Install the new sash (Photo 3).
Old windows, particularly those in older houses, can be difficult to close and open due to hinges that are sagging and an overall lack of energy efficiency. In most instances, a few easy repairs can turn these windows into smooth operators again and save the homeowner cash on energy costs.
It is crucial to have the tools you require before you start. Mark the hinge channel location on the frame (Photo 1) using a pencil. This will allow you to get the channel back in position correctly after you've completed. Take the sash off and take out all the hardware, including the parting beads, cords, and chains that hold the sash in place. Heat gun with nozzle shield and a medium setting will soften any hardened glue. Take off the old sash and place it in a bag that is labeled.
Sash Weights
Whether your window sash repairs are to replace a damaged cord or simply to keep your windows functioning and functional, replacing worn-out weights on sash can improve sash operation and help reduce energy consumption. Sash weights are composed of iron or lead cylinders that are encased in a hidden cavity and connected by ropes to the movable window sash. They function as counterbalances, allowing 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 then turned into scrap when they fail; therefore you might need to locate replacements.
A weight from a sash that fell out of the cavity is difficult to get back and you'll need to locate a new one that fits properly. You will also require a new piece string, a length of sashcord and a few sashpulleys for tying the weights you are replacing to the cord.
Older wood windows are joined using mortise and tenon joints. Hammers and pins can be used to take out the wood pegs holding the parts together. The majority of these pegs have large diameters on one side and a smaller size on the other side, so it is essential to remove the smaller-diameter sides first. Later sashes made use of glue instead of pins. They can be cut by using a knife or a mallet.
After the sash is removed then you can take out the stopper on the sash and get access to the weight pocket. This is usually done via tiny holes at the bottom of every jamb. The hole is then covered with an access panel made of wood which can be removed to allow you to see the inner workings of the frame.
After the sash has been stopped and the access panel removed, you will be able to remove the weight of the old sash and replace it with the new. Weigh the sash first because the weights you've got may not be the correct size. Once the new weight is installed, tie a string to it and thread it through the pulley of the sash. Then, nail the string to the boxed frame. Leave a few inches protruding at the top of the string to allow for future adjustments.
Sash Cords
In the majority of double-hung windows, a cord or chain is affixed to the weights. This helps keep the sashes in the jamb in a balanced manner. Over time these cords can break, making it impossible to raise the window. A new sash cord will restore the ability to move the sash upwards and downwards and will keep it in its place when opened.
The first step to replace cords for sash is to locate and remove the access panels within the jambs. These are usually nailed or screwed in and will need to be removed or moved. It is possible to take them out using a hammer or chisel, but it is always better to lay out dust sheets before starting any work.
After you have removed the access panel, you can begin working on the sash. Utilize a flat bar or chisel to pry the narrow parting beads from their grooves. Peterborough double glazing repairs to take your time, as these are often stuck or nailed to the floor. If the sash remains in place, break the mortise and tenon joints with the help of a hammer and pin or screwdriver, then unhook the wood pegs that are on each piece. It should now be possible to move the sash back and forth freely, although it might require lubrication if it feels stiff.
With the sash in an open position, measure enough sash cord/chain to reach from the pulley on the top of the jamb to the sash slot on the bottom. Cut the cord or chain and attach it as described in the previous step. You can either use a hammer and nail or screws, but nails are less likely to cause damage.
It's best to leave the weights that came with the original counterbalance unless you have purchased a kit that will replace the counterbalance that was previously installed. They're not costly and easy to install if purchased them at architectural salvage stores. Based on the size of your window, one or two sash weights might be required to keep the sash in an open position.