Window Sash Repairs: The Good, The Bad, And The Ugly
Window Sash Repairs
The majority of homeowners don't think too much about window sashes insofar as they can be closed and opened, they keep the outside air out and the inside air in. But with time, they'll start to wear out, leading to air leaks, drafts, or even sashes sticking.
With a sash propped on a DIY easel The artist works the glazing points into a gap. He also scrapes off paint and then applies an oil-based preservative to the frame.
Sash Weights
When your windows aren't opening and closing in a smooth manner or are sticking due to a problem with the counter-balancing system, it's possible that a may be to blame. This could be because of a broken or damaged chain/sash cord or an unattached or misaligned sash weight, or a damaged pulley.
The sashweights are tiny boxes made of cast-iron, which balance the counter-weight system and help support the sash. The sash weights are located at the bottom rails of every window frame. They are covered by a wooden panel that can be removed to reveal their location. These panels can be removed to allow access to the sash weight pockets to clean, repair or replace them.
There may be an issue with the sashweights, if you've been using your sash windows for a while. They could catch or lean. The weights may be too heavy (they should be a bit heavier than the top sash) or they've been installed improperly.
To remedy this issue take out the stops (the trim that runs along the inside of the window at the point where it meets the frame to hold it in place). Set them aside. This requires you to be gentle so as to not damage the profile of your meeting rails. You can then use a hammer or mallet to break the stiles from the rails and inspect them for damage or for any repairs that need to be done.
After inspecting the rails and stiles of the sash, put some dust sheets on the floor and start working. Start by removing the wood pegs from the mortise and tenon joints using pin punches and a screwdriver or hammer. After the pegs have been removed then you can begin to disassemble the sash by removing the sash stop moldings and removing the sash cord knots that are in place, and finally, removing the sash itself.
The next step is to weigh the sash in order to determine the amount of weight is needed to ensure its proper functioning. You can find vintage weights for replacement on the internet or at some home improvement stores, but be sure to buy the right size to ensure not to overload or underweight the sash.
Sash Cords
Sash cords that are worn out or damaged can cause problems with sash windows. Sash cords are under constant pressure from the weights, which could cause them to break over time, especially when they're not maintained properly. If the cords break, sashes will no longer open and close easily. The problem could be caused by a variety of reasons like excessive force, aging, a lack of maintenance, and the accumulation of moisture. When you repair windows it is essential to replace the old cords with new ones made from an material that lasts and resist moisture.
Begin by removing the inner stops and the thin strips of wood that keep the sashes in place, using a knife or a Chisel. Remove the stops carefully of the sashes while keeping an eye on cracks or broken. Once the stops are removed, you can access the sash weights through an access panel cut into frame's bottom, or by opening the jamb and taking off the cover that covers the weight pocket.
Accessing the sash cords takes some effort however it's not too difficult with the right tools and perseverance. First, you must remove the old cords by cutting them close to their knots and pulling them free. Remove the sash and place it aside. Pull down the staff bead, which is the nail that holds the sash in place. Install a nail of about a foot into the hole. This will temporarily keep the sash from falling while you string the counterweights.
Reattach the sash string after installing the upper sash. Verify that the sashes are moving smoothly and are balanced. Reinstall the lower sash, and repeat the process. Make sure that the sashes are properly seated and are moving smoothly.
After you've installed the counterweights, reattach the sash cords, by inserting a sash cord through the pulleys and threading the other end of the cord through a knot hole in the sash to secure it in place. Repeat this process for each side of the sash until cords are replaced and the sashes function normal.
Air leaks and drafts
Over time, materials that seal your sash window to the frame of your home deteriorate. This leads to drafts and energy losses. A thorough inspection will reveal the problem areas and assist you in determining the best options for repairs to your window sash. Your comfort preferences and experience level determine whether you are able to manage window repair or require expert input. The scope of work is also influenced by historical property status and the structural strength.
If cold air enters through a drafty window your furnace must work overtime to keep your house warm. This inefficiency is a drain on your heating bills and compromises the efficiency of your HVAC system. Drafts can also impact the quality of indoor air and disrupt indoor comfort by bringing in allergens, pollutants and humidity from the outside.
A typical sign of a drafty window is the feeling of cold air in your room despite all doors and windows being shut. Other telltale signs are changes in temperature near the window, as well as condensation on the sill or frame.
Repairing drafty windows is a an easy task that can reduce your energy costs and improve indoor comfort. The first step is to inspect the exterior of the window. Examine for bare wood and areas where the old caulking has cracked, opening the gap to cold air.
Examine the interface of the sash with the frame. window sash replacement includes the parting bead, and the staff bead. Examine the condition of the weather stripping in these areas (felt strips or tape) to determine if they're intact and functional. If not, it's time to be replaced.
Then, think about the condition of glazing putty. It is a hard putty that holds panes glass in place. Examine for cracks and crumbling that can expose the sash's surface moisture. This can cause problems with mold and damage to the glass.
To fix the problem, apply a layer of fresh glazing putty to the inside of your window. To secure the glazing points make use of a flat-bladed screwdriver push them into place. Wrap a piece of fabric and foam around each point. This acts as insulation against cold air.
Aesthetics
Window sash repair can give older windows a fresh appearance at a cost less than a full window replacement. A complete window replacement can be an expensive and time-consuming project, especially for older homes. In many cases, fixing window sashes can bring back the original beauty of a house and increase its value as well.
It is important to keep an eye on the condition and wear of window sashes to avoid major problems. It is recommended to speak with an expert if you're not sure if your windows require repair. The cost of repairing a sash is often much less than the cost to replace the whole window, and could save you money on energy bills in the process.
First, lower the upper sash down to the bottom. This is usually simple and allows you to see the "parting beads" that are a grooved part on the meeting rails that keep the two sliding sashes apart. These can be removed with the help of a small pry-bar or a putty knife. They are typically fixed in place and painted, so be careful not damage them or the sliding sash.
Once you've removed the parting beads, the next step is to remove the pocket covers. They are tiny pieces of wood that are screwed to the frame at the bottom. They allow access to the sashweights. Once they've been removed, the sash will be moved up and down to ensure that it moves smoothly.
If it's not, there may be a problem with the counterweights, or the sash cords. After you've inspected them all, you can fix them if necessary.
Wooden windows look beautiful and natural. They are a great fit with both traditional or contemporary interiors. They are also highly customizable with a wide range of colors and stain choices. However, wooden windows do require regular maintenance to prevent damage and rot.