How to Repair a Sash Window
Experts agree that restoring old windows using sash is more cost-effective and green than replacing them. So, why not give it a go yourself?
Addressing issues like sticking sashes and draughts and visible damage will make your home more comfortable. Before you begin, think about these issues.
Damaged Sash Cords
When the cords that pull the sash up or down wear out, it is difficult to open and close the window. In some instances, the cords may even break. To fix this, the sash cords need to be replaced. This is a relatively easy repair for any homeowner, and can usually be accomplished within an hour or so if you're working on just one lower sash.
Prepare your work area by covering the floor in a cloth. This will collect any debris that falls or loose nails when you take down the window. Wear a mask if you're working on an older house to protect yourself from lead paint dust.
Remove the stop beads first. These are thin pieces that encircle the inner window frame to stop the sash from sliding out. Then remove the window sash and place it on a table or workbench. It is now possible to access the cast-iron weights which are behind the window frame. After you have removed the weights along with the old sashcords as well as the weights, you are able to replace them with new ones.
First, measure the length of the old cord to know the length to cut your new cord. Tie a knot on the end of the new cord to prevent it from slipping over the pulley that was previously in use. You can now feed your new cord through the access hole you opened in the panel cover. Then, put back the window sash and verify its operation.
Then, put back the panel cover and the staff bead. Ensure that all nails are driven securely into place and set below the surface of the wood, to keep the sash from moving too much or causing damage to the painted finish. If the sash doesn't slide smoothly, you can seal the gap between the staff bead and the window box using decorators caulk to minimize draughts.
After the caulk has dried and the trim is reinstalled, it's time to replace the sash as well as its trim. If you're not comfortable with tools, you could hire a professional repair service to replace the sash cords on your behalf. This is a costly solution. Most homeowners will choose an DIY solution that requires replacing the cords on their own.
Broken Sash Weights
If your sash windows aren't opening and closing properly, it could be because the sash cables are damaged. Replace the old sash cables and you'll be able restore your windows to functioning order.
Begin by removing the screws that hold the stop beads by using the help of a screwdriver. Then, you can lift the sash from the window frame. If there are access panels on the jambs open them to gain access to the sash pulleys and the weights. Remove the sash gently from the frame. If possible, lay down dust sheets to protect the wall paper and paintwork.
Check the pulleys and sashweights and sash to make sure they are correct. You might have to balance the sash which is heavy. You can buy lead sashweights on the internet or from a local hardware store if don't have them already.
When you have the sash weights out of the pocket, remove any slack in the cords. Then feed the new sash cord through the pulley and out the other end of the channel on the sash. Then pull the cord upwards until it is at the weight and tie a knot.
Repeat the process with the other sash cord. Re-insert the sash into frame of the window, making sure it is level. Replace the parting beads and staff bead, if needed and seal the gaps around them with decorators caulk.
The final step is to reinstall the interior sash stop. If you're not sure how to do this ask an expert for assistance. After reinstalling them, check the windows for functioning. You can then put back the window in place by replacing the window trim and access panel covers and painting any areas that were damaged or covered during the repairs. Make sure the window is properly hung before completing the installation. You can test this by placing it on the scale to verify that the two sash weights are equal in size. If they aren't, use lead'make up weights to help balance the sash.
Sashlocks that aren't functioning properly
One of the main reasons why a sash can not shut or open correctly is due to a broken lock. In some cases this is a straightforward fix. However in other situations, the lock may need to be replaced. A broken lock can be a security issue, as it could give an easy opportunity for thieves to gain entry to your home.
Window locks are designed to be able to support the weight of the sash however, they are still susceptible to wear down over time. This is because the hardware is subjected to so much stress and also the natural movement of the foundation. It's important to look for other problems that could be causing your window lock to fail.
When your sash lock isn't locking properly it can often be the result of an interlock that isn't aligned correctly. A slight error in alignment can stop the keeper from interacting with the latch, and prevent the door isn't closing. This is typically repaired by lifting up the sash at the bottom and pushing it into the room to ensure that the interlocks are aligned properly.
Rust buildup in the mechanism is another common cause of a sashlock that isn't working. Many older window frames made of wood or aluminium can corrode with time. The corrosion may cause the mechanisms to become stuck and stop them from functioning correctly.
In some cases it may be necessary to replace the entire fastener for the sash. This can be done quickly. This is a simple task that requires only a little patience and some tools. First, you'll need to remove the fastener, then clean the surface of any rust or debris. Then, you can use a drill and make new holes for the bolt and screw. Then, screw the new fastener into the correct position and ensure that it is secure.
It's a straightforward task that most homeowners can do. This will ensure the security and safety of your window. It's a great method to minimize air infiltration and make your home a little repair windows more energy efficient It's definitely worth a try if your sash windows aren't locking properly.
Broken Glass Panes
Glass panes are broken by a lawnmowers knife, baseballs and other debris. It is up to you to decide if would like to replace the window sash or repair the glass pane. Depending on the extent of damage to the glass is, you may also need to remove the surrounding glazing compound and the metal points. Wear gloves, a mask, and eye protection when working on a cracked pane. It is also recommended to cover your floor with a drop cloth to prevent small glass particles from contaminating your work space and posing an hazard to children or pets.
Before you can replace the window pane you need remove the old one and scrape any caulking, or putty off the frame rabbets. These are the grooves within the frame that the glass will be placed. If there's lots of putty, it may be necessary to employ a scraper that is a pull type or an old chisel, and tap lightly to avoid breaking the window. A heat gun can help soften the old putty, so it's easier to remove. After you've removed the old pane and its glazing and rabbets, sand them to smooth them, and then apply new caulking or glaziers' compound, with the same dimensions as the original opening.
While the putty is drying make sure the new pane is prepared to be installed by cleaning it and wiping it clean using a damp sponge. If the glass is insulated, take off the insulation by cutting it off at the top and the bottom of the pane using an utility knife. The metal points that keep the glass in place can be removed by hitting them or pulling them with a putty blade.
To replace the glass pane, roll the glazier's compound into a rope approximately 3/4 inch thick. Then, press it with a firm force into the rabbet, around the edge of the glass and against the sash of wood. Fill the gaps or holes that may exist between the frame of putty and the glass. Let the putty dry completely before painting the window. Wear gloves that are protected and cover the area with a dropcloth to shield yourself from glass shards.