How to Repair a Sash Window
Experts agree that the process of restoring old windows with sash is more eco friendly and cost-effective than replacing them. So why not try it yourself?
You can make your home more comfortable by addressing issues like sticking sashes and draughts. Here are some points to consider prior to starting.
Damaged Sash Cords
When the cords that pull the sash upwards and down wear out it becomes difficult to open or close the window. In some cases, the cords can even break. Sash cords must be replaced in order to fix this problem. This is a simple repair for any homeowner and can be completed in a matter of hours or so in the case of just one lower sash.
Begin by preparing the area you'll work in and covering the floor with a tarp to catch any debris or loose nails that fall when you take down the window. If you're working in an older residence, it's recommended that you wear a mask to protect yourself from dust from lead paint.
First, remove the stop beads. They are small pieces that surround the inner window frame to prevent the sash from sliding away. Remove the window sash from its box and set it on a bench or table. You'll now be able to access the cast iron weights that are located behind the window frame. After you've removed the weights as well as the old sash cords, you can start replacing them with new ones.
First, take a measurement of the length of the old cord so that you know how long to cut your new cord. Then tie a knot on the end of your new cord so it doesn't fall over the top of the pulley that was previously in use. Now, you can insert your new cord into the access hole that you opened on the panel cover. Reinstall the window sash and then test it.
Install the panel cover, the staff bead, and ensure that all nails are securely inserted into the wall. Make sure they are set below the surface level of the wood to avoid damaging the painted finish or limiting the sash's movements. If the sash doesn't move smoothly, use decorators caulk between the staff beads as well as the window boxes to reduce draughts.
After the caulk has dried, it is time to install both the sash and the trim. If you're not comfortable working with tools, you could have a professional repair company replace the sash cords on your behalf. This is a costly solution. Most homeowners will opt for the more DIY solution, which involves replacing the damaged cords on their own.
Broken Sash Weights
If your windows that are sash don't open and closing properly, it could be because the sash cables are damaged. Replace the old sash cables and you should be able to get your windows back into working order again.
Start by getting rid of the screws that are holding the stop beads using a screwdriver. Then, lift the sash from the window frame. If there are access panels on the jambs open them to gain access to the sash pulleys as well as the weights. Carefully remove the sash from the frame and lay it on dust sheets, if possible to avoid damage to paintwork and wall paper in the process.
Make sure you check the pulleys and sashweights and sash for sure they're in order. If the sash is heavy, you may have to add more weights to make it more balanced. You can buy lead sashweights online or from your local hardware store if don't have them.
Once you have the sash weights out of the pocket, cut off any slack in the cords. Then, feed the new cord through the pulley and out the other end of the channel on the sash. Then pull the cord until it hits the weight. Tie a knot.
Repeat the procedure with the second sash cord. Then re-insert the sash into the window frame making sure it is level. If necessary replace the parting bead or staff bead. Cover the gaps around these with decorators caulk.
The last step is to replace the interior sash stops. Ask an expert for assistance if you're not sure what to do. Once you have reinstalled them check the windows to be sure they are in working condition. You can then put back the window by replacing the trim around the window and access panel covers and painting any damaged areas or covered by the repairs. Make sure that the window is firmly hung before completing the installation. Place the window on an appropriate scale and ensure that both sashweights are the same size. If they're not, make-up weights made of lead to ensure that the sash is in balance.
Sash Locks with a problem
A broken lock on the sash window is one of the more common reasons why a sash will not shut or open properly. In some cases, this can be a simple fix however, in other instances it may require a full replacement of the lock. A damaged lock can also be a security issue, as it could provide an easy opportunity for thieves to gain access to your home.
The window locks are constructed to withstand the weight, but can still wear out over time. This is due to the hardware being subjected to so much stress and also the natural movement of the foundation. It's important to look for other issues that could be causing your window lock to fail.
If your sash lock doesn't seem to be locking correctly, it could be the result of an interlock that isn't aligned correctly. A slight alignment error can hinder the keeper from engaging the latch and prevent the door from closing. This can be fixed by pushing the bottom sash into the room and lifting the top sash up.
Another common reason for the sash lock to not work is rust build-up in the mechanism itself. Many older window frames constructed of aluminum or wood will corrode over time. The corrosion may block the mechanisms and stop them from functioning correctly.
In certain instances, it might be necessary to replace the whole sash-lock fastener. This can be done quickly. This is a simple job that requires only a bit of patience and the use of a few tools. First, you'll need to take off the fastener, and then remove any rust or debris. You can then employ a drill to create new holes for the bolt and screw. Finally, you'll need to screw the new fastener into the right place and ensure that it's secure.
This is a simple task that can be done by the majority of homeowners, and will ensure your window is both safe and secure. This is a great way to cut down on air infiltration, as well as making your home more energy efficient.
Broken Glass Panes
Glass panes can be broken by a lawnmowers knife, baseballs and other debris. When this occurs, you have to decide whether to repair the glass pane or replace the entire window sash. Based on how damaged the glass is, you might also need to remove the glazing compound and metal glazing points. When you repair a damaged or broken pane, be sure to wear gloves and a mask, as well as protective eyewear. Cover your floor with a dropcloth to prevent glass particles from contaminating your floor and posing a threat to children or pets.
Before you can replace a window pane it is essential to remove the old one and scrape any old caulking or putty from the frame's rabbets, the grooves in which the glass sits. To ensure that your window doesn't crack you might need to use an old chisel or double glazed windows repairs a pull-type scraper remove the putty. Heating guns can be used to soften old putty making it easier to remove. After removal of the old pane smooth the rabbets and apply caulking compound of your choice or glaziers compound.
While the putty is drying make sure the new pane is prepared for installation by cleaning it and wiping it down using a damp sponge. Remove the insulation from the glass by cutting it in the top and bottom with a utility blade. The metal points that hold the glass in place can be removed by smashing them out or pulling them out with the help of a putty knife.
To replace the glazed pane, make a length of glaziers' compound into a rope of about 3/4 inch thick. Then press it into the rabbet all around the edges of the glass, firmly against the sash of wood. After you're done and you're done, if there's gaps or holes between the frame and the putty then fill them in with more compound. Let the putty dry completely before painting the window. Make sure you wear protective gloves and cover your work area with drop cloths to keep it clean and protect yourself from broken glass shards.