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Window Sash Repairs

Most homeowners don't think much about window sashes -- so long as they are able to are closed, open, and keep outside air out and the interior air in. As time passes, window sashes can wear out and cause drafts, air leaks or even stuck sashes.

The author uses an sash supported on an easel for working glazing points into the gap. He also scrapes off paint and applies an oil-based preservative to the frame.

Sash Weights

If your windows are not closing and opening smoothly, or are stuck the way they should, a defective counterbalancing system could be the reason. This could be because of a broken or damaged sash cord/chain or an unattached or misaligned sash weight, or a damaged pulley.

The sashweights are small, rounded boxes made of cast-iron, which balance the counter-weight system and support the sash. The sash weights are located at the bottom rails of every window frame. They are covered by wood panels that can be removed to reveal their position. These panels can be removed to allow access to the sash weight pockets to clean and repair or replace them.

If you've been using sash windows for a long time you likely have an issue with the sash weights, which cause them to lean or catch. The weights could be too heavy (they should be a bit heavier than the top sash) or they've been installed improperly.

To correct this issue, first take off the stops (the trim along the inside edges of the window where it meets the frame and holds it in place) and then set them aside. This will require you to be gentle in order to not harm the profile of your meeting rails. You can then use a hammer to separate the rails and stiles, and check them for damage.

After you've examined the rails and stiles, lay down a few dust sheets and begin working on the sash secondary glazing itself. Start by taking the wood pegs out of the mortise and the tenon joints using a pin punch and a screwdriver or hammer. After you have removed the pegs you can start disassembling the sash. Remove the sash stop moldings and any sash cords still in place.

The next step is to weigh the sash in order to determine how much weight is required for the proper functioning. You can find vintage replacement sash weights online or at a few home improvement stores, but you should ensure that you purchase the right size to ensure not to over or under weight the sash.

Sash Cords

Sash cords that are worn or broken can cause problems with the sash window. The weights put constant pressure on the sash's cords which can cause them to break over time. The sashes will not open or close as easily if cords break. The problem may be caused by excessive force, ageing or a lack of maintenance or the accumulation of moisture. During window sash repairs it is crucial to replace the old cords with new ones that are constructed from a material that will last and resist moisture.

Begin by removing the inner stops which are the thin pieces of wood that keep the sashes in place, using a utility knife and a chisel. Remove the stops off the sashes with care and keep an eye out for any cracked or broken ones. After removing the stops you can access the sashweights by opening up the jamb or taking out the weight pocket.

Accessing the sash's cords requires a little more work however it's not too difficult with the right tools and perseverance. Get rid of the old cords first by cutting them at their knots, then pulling them out. Then, remove the sash window restoration near me from the frame and put it aside. When the sash is removed and you have pulled it down, grab the staff bead (the nail that prevents the sash from falling) and insert the nail, which is about one foot long into the hole in the staff bead. This will temporarily stop the sash from falling as you string the counterweights.

Reattach the sash string after reinstalling upper double glazed sash windows. Make sure that the sashes are moving smoothly and are in a balanced position. Then, install the lower sash and repeat the process, ensuring that the sashes are properly in place and are moving smoothly.

After you've finished installing the counterweights, reattach the sash cords by putting an sash cord into the pulleys and threading the cord's other end through a knot hole in the sash, ensuring it is secured in place. Repeat this process on the opposite side of the sash, making sure that the sashes work as intended again.

Air leaks and drafts

Over time, the materials that secure sash windows to your home's frame deteriorate, resulting in drafts and energy loss. A thorough inspection can identify the trouble spots and assist you in determining your window sash repairs options. Your preferences regarding comfort and ability level determine whether you are able to handle window sash repairs or require professional assistance. The scope of work required is also affected by the historic status of the property and its structural integrity.

If cold air is getting through a drafty or drafty door or window, your furnace will have to work overtime to warm your home. This inefficiency eats into your heating expenses and reduces the efficiency of your home's HVAC system. Drafts can also reduce the quality of indoor air and cause discomfort in the home by the infiltration of allergens, pollutants and humidity from the outside.

A common indication of a drafty window is the sensation of cold air in your room regardless of windows and doors being closed. Other tell-tale signs include a fluctuation in the temperature of your home near the window and condensation around the frame or sill.

Fortunately, repairing drafty windows is a simple task that can reduce the cost of energy and increase the comfort of your home. The first step is to examine the exterior of the window. Find areas of unfinished caulking that is cracked or wood which exposes the window to cold air.

Examine the interface of the sash with the frame. This includes the parting bead and the staff bead. Examine the condition of the weather stripping (felt strips or foam tape) at these locations to determine if it's still intact and effective. If not, this needs to be replaced.

Finally, consider the state of glazing putty, which is a tough putty that holds panes of glass in place. Look for cracks or crumbling that expose the sash to moisture, which can cause mold problems and damage the glass of windows.

To resolve the problem, apply a bed of fresh glazing putty to the inside of your window. With a flat-blade screwdriver push the glazing points into position to hold them. Then, wrap a piece of foam and a piece of fabric around each point to form an insulation agent against cold air.

Aesthetics

Window sash repair can give older windows a new appearance for less than a complete window replacement. Especially for homeowners with older homes, a full replacement could be a huge undertaking and a major cost. Repairing window sashes can be a great way to restore the beauty of your home and value.

Monitoring the condition of your window sashes is important to prevent major problems. It is recommended to speak with a professional if you are unsure if your windows need repair. The cost of a sash repair is typically lower than the expense to replace the entire window, and can reduce your energy bills as well.

The first step is to lower the upper sash to the bottom. This is generally easy and will give you an unobstructed view of the "parting beads" (these are grooved pieces in the meeting rail on either side that keep the 2 sliding sashes from colliding). Remove these with the blade of a small bar or a putty blade - they are normally nailed in the right place and are covered with paint, so you have be careful not to damage them or the sash.

After you've removed the parting beads, the next job is to remove the covers for your pockets. These are bits of wood in the frame, lower down, which allow access to the weights for the sash and are typically fixed with nails - they can also be stuck with paint, so it is important be cautious. Once they've been removed, the sash may be moved up and down to ensure that it is moving smoothly.

If it doesn't, it might be problems with the counterweights or sash cords. Once you've checked all of these, you can repair them as needed.

Wooden windows have a natural look that blends seamlessly with modern and traditional style interiors. The options for staining and painting are endless. However, wooden windows do require regular maintenance to avoid damage and decay.