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Window Sash Repairs

Most homeowners don't think much about window sashes -- as long as they can be closed and opened, they keep outside air out and the air inside in. But with time, they'll get worn out, causing air leaks, drafts, or even sashes sticking.

With a sash propped on a homemade easel The artist works the glazing points into a gap. He also scrapes off paint and applies a wood preservative to the frame.

Sash Weights

When windows aren't opening or closing in a smooth manner or are sticking due to a problem with the counter-balancing system, it's possible that a could be at fault. This can occur because of a broken or damaged sash cord/chain or an unattached or misaligned sash weight, or a broken pulley.

The sashweights are tiny boxes made of cast-iron that balance the counter-weight system as well as support the sash. They are located in the bottom rails of every window frame, covered by a wooden access panel that can be removed to reveal their position. These panels can be removed to gain access to the sash weight pockets to clean, repair or replacement.

You may have a problem with the sashweights if been using your sash windows for over a period of time. They might be sagging or catch. The weights could be too heavy (they should be a little heavier than the top double glazed sash windows) or installed incorrectly.

To address this issue, first take off the stops (the trim along the inner edges of the window where it joins the frame and keeps it in the frame) and set them aside. It is important to do this with care so as to not damage the appearance of the overlapping rails. You can then use a hammer for separating the rails and stiles, and check them for damage.

After you've checked the stiles and rails lay down dust sheets and then begin working on the sash itself. Begin by removing the wood pegs using a pin punch and a screwdriver or hammer from the mortise and tenon joints. Once the pegs are gone then you can begin disassembling the sash by removing the sash stop moldings as well as removing any sash cord knots in place, and finally, taking the sash off itself.

The next step is to weigh the sash to determine the amount of weight it requires for functioning. You can purchase vintage replacement sashweights on the internet or in some home improvement stores. Be sure to purchase the correct size to avoid over or under-weighting the sash.

Sash Cords

Sash cords that are worn or broken can lead to sash window issues. The weights put constant pressure on the sash cords and this can cause them break over time. The sashes won't open or close as easily if the cords break. The problem can be caused by a number of reasons that can cause it, such as excessive force, aging, lack of maintenance or accumulation of moisture. It's important that you replace the old cords in window sash repairs with new cords made of a material that is strong and resistant to moisture.

Start by removing the interior stop strips, the thin wood strips that hold the sashes in their place with a utility knife and a Chisel. Take care to remove the stops of the sashes, keeping an eye out for cracks or broken. Once the stops are removed, you will be able to access the sash's weights by using an access panel that is cut into the frame's bottom or by opening the jamb, and then removing the cover for the weight pocket.

Accessing the sash cords takes a little more work but it's not a problem with the right tools and perseverance. First, take off the old cords by cutting them close to their knots and then pulling them out. Remove the sash and place it aside. After the sash has been removed then pull it back down on the staff bead (the nail that keeps the sash from falling) and then insert one nail that is about one foot long into the staff bead hole. This will temporarily keep the sash from falling while you string the counterweights.

Reattach the sash strings following installing the upper sash. Check that the sashes are moving smoothly and are balanced. Then, reinstall the lower sash and repeat the process, making sure that the sashes are properly sitting and moving smoothly.

Reattach the sash cables once you have put in the counterweights. Thread the cord through the pulleys, and then through the knot hole in the sash. Repeat this process on the opposite side of the sash to ensure that the sashes work as intended again.

Drafts and Air Leaks

Over time, materials that connect your sash window to the frame of your home deteriorate. This causes drafts and energy loss. A thorough inspection will identify the problem areas and assist you in determining the options for fixing your window sash. Your comfort preferences and skill level influence whether you are able to handle window repair or require expert assistance. The historical status of your property and structural integrity concerns impact the scope of work required.

If cold air is coming in through a drafty door or window, the furnace will be forced to work harder to heat your home. This inefficiency eats into your heating expenses and reduces the efficiency of your home's HVAC system. In addition, drafts affect your indoor comfort and reduce the quality of your indoor air by bringing in outdoor pollutants, allergens and humidity.

A typical sign of a drafty windows is the sensation of cold air circulating through your home despite all doors and windows being closed. Other tell-tale signs include an increase in the temperature of your room near the window and condensation on the frame or sill.

Fixing drafty windows can be a simple task, which can reduce your energy costs and increase your comfort in the home. Start by inspecting the outside of the window. Examine for bare wood and areas where the old caulking has cracked, opening the air gap.

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

Take a look at the condition of the glazing putty. This is a hard putty that is used to hold panes of glass tempered in place. Look for cracks and a crumbling surface that could expose the sash's surface moisture. This can lead to problems with mold and damage to the glass.

Apply a fresh layer of glazing putty on the outside of the window to correct the problem. With a flat-blade screwdriver push the glazing points in place to secure them. Wrap a fabric or piece and foam around each point. This will act as an insulation against cold air.

Aesthetics

Window repair to sash can give old windows a new look with less expense than an entire window replacement sash windows. A complete window replacement could be an expensive and time-consuming undertaking, particularly for older homes. Restoring window sashes is an excellent way to bring back the beauty of your home and value.

It is essential to pay attention to the condition and wear of window sashes in order to avoid any major issues. It is recommended to speak with an expert if uncertain about whether your windows require repair. A sash repair is much less expensive than replacing the entire window and can also save you money on energy costs.

The first step is to lower the upper sash towards the bottom. This is usually easy and will give you an excellent view of the "parting beads" (these are grooved bits in the rail that connects either side that keep the 2 sliding sashes from colliding). They can be removed using the help of small pry-bars or a putty-knife. They are typically put in place with nails and then painted, so you need to be careful not to harm them or the sliding sash.

After removing the parting beads you will need to remove the pocket covers. They are tiny pieces of wood that are screwed into the frame at the bottom. They provide access to the sashweights. Once they've been removed, the sash may be moved between the two sides to ensure that it is moving smoothly.

If it does not, there could be a problem with the counterweights or cords for sash. After you've inspected all of these, you can repair them as required.

wooden double glazed sash windows windows have a natural look that blends seamlessly with traditional and contemporary style interiors. They can also be made to be highly customizable, with many paint and stain options. Wooden windows require regular maintenance in order to avoid rot and damage.