10 Things Everyone Hates About Sash Windows Repair

Sash Windows Repair and Replacement

Sash windows older than 20 years old can be afflicted with various issues, including draughts and rattles. They might also be inefficiently constructed to be insulated. With a little effort they can be repaired to a high level of performance.

First, scrape off the paint seal from the window stop using an utility knife. Then, remove the staff bead, then take the upper sash out by removing chains or cords and storing the hardware in a labeled bag.

Sealing

Sash windows can look stunning in older buildings, but they do need maintenance and are susceptible to issues such as cracked putty, wet rot, and draughts. It is possible to minimize energy loss and increase the efficiency of sash windows by replacing, repairing or sealing them.

The gaps between sash and frame are the primary source of drafts. They can also cause noise reduction and rattle. Various methods can be used to stop air leaks from windows with sash, including sealing beads, specialty products, and secondary glazing.

A gap between the top and bottom of the sash, and the jamb frame is an issue that is frequent. This can lead to moisture leaking into the wood, Sash Windows Repair rotting it and the growth of mold. The gap can be sealed with caulking made of polyurethane or silicone or foam sealant.

Installing new sash runner or spring bronze might be necessary if a gap prevents windows from closing and opening easily. These are a type of bronze that are stapled or nailed to the edges of the lower sash to prevent sideways rattle, and they can be purchased from DIY stores. Tubular vinyl weather-stripping is another option, but it is prone to tear, and can affect the appearance of windows.

It is important to measure the entire window opening before installing new sash runners. It is best to measure from the top of the sash to the horizontal centerline of the meeting rail and from the bottom of the sash to the sill. These measurements can then be transferred to new runners, which will ensure a better fit and operation of the window.

In older buildings, the gap between sash and frame is usually larger around the leading edge. It can be draught-proofed by a self-adhesive V-strips, but it is crucial to take this into consideration when measuring and cutting the material.

A strip must be cut to the height of the sash, with an additional inch each side to allow to allow for movement. It should be cut squarely and placed to align with the angle of the sill. It is also crucial to use stainless steel screws as brass can rust, and the best quality silicone or polyurethane adhesive.

Refurbishment

The sash is a beautiful historic feature in many homes. These windows are gorgeous but they can also be prone to problems. The most frequent issues are rattling, draughts or sticking. Rotting frames and rails that meet, as along with broken glazing bars, damaged frames, or rotten weights can all cause problems. When these issues arise, it's time for repairs or replacements to your sash.

Refurbishment may be more expensive than replacing the sash but it will bring back the appearance and function to the same standard in its original condition. It involves lining the joining rail and sash boxes with traditional putty, and then repairing any rot-related damage. Re-painting the frame of the timber is also included, as is the re-glazing process using traditional glass. A full refurbishment can also include adding draught proofing, re-attaching the sash furniture/ironmongery and replacing the parting bead (the dividing strip between the two panes of glass). It is also recommended to install brush pile weather strip to prevent the noise of rattling.

If a new sash is needed, it can be made with the same design to match your old frame. This will help preserve the style and character of your home. This is particularly important for listed buildings where any modifications made to the windows will require planning permission.

Compare the metal tabs on the new window to the old sash prior installing it (see below). If the tabs are different shapes, the new sash will not fit correctly into the window frame slots.

It is important to decide if you want to replace or repair windows that are damaged, as each option will require a different level and level of expertise. If a large portion of the glass in a sash is missing, then replacing it will be an alternative. If the glass is damaged in a small area or a sill has begun to decay or rotting, then a repair could be better.

Replacement

While a lot of homeowners are eager to keep their old windows in good condition, the deterioration of the windows can cause problems such as rattles, draughts or even broken glass. These issues typically lead to a replacement as the only feasible solution. There are other options to improve sash window performance other than replacing them. This includes the installation of secondary glazing and draught-proofing.

Think about the scope of the problem. It might not be necessary or even suitable to replace the window. For example, a foggy glass issue is usually a problem within the sash and is usually able to be resolved without tearing out the entire frame. It is usually possible to repair a weak seal with a few simple fixes, rather than ripping out the entire frame and replacing it.

Sash windows are surprisingly complex in design and have many moving parts. This is why it can be tricky to fix common issues such as snapped sash cords or broken panes. Resolving these issues often requires dismantling the window frame, which isn't something most homeowners want to take on themselves. Many homeowners opt to work with a professional due to these reasons.

A specialist can help restore sash windows to their original splendor or even bring them up to the latest energy standards. This could include reconditioning frames and fitting secondary glass to block heat from getting out of the window. It may also be beneficial to install a brush pile strip, to stop rattling and reduce drafts.

To begin the repair, remove the window stops. (The moldings are on the side of the lower glass). Then, loosen the staff and pull out the lower window sash. Remove the cords and chains from both sides. Lastly take the sashweights out of the bottom weight cavity. Store the hardware in a secure place. Soften any old filler or hardened putty by using a hot gun. Then scrape it off with the help of a putty knife. Reassemble the window, attach the hardware and lubricate pulley axles by using silicone or Teflon spray. Reinstall the parting bead and install the upper sash.

Repair

The decision to repair or replace a sash window is an important one for the homeowner. Modern replacements offer many advantages however, the original features of an older home can provide authenticity and value. They are also less expensive to repair than replacing. Keeping them in good condition can also save energy costs. Sash windows are prone to rattles, drafts and condensation. These problems can result in increased costs for energy and damage to the frame and sash.

Sash windows are notoriously difficult to open and close as the traditional sliding mechanism can be displaced from its track, or even draughty. Repairing a sash window requires extensive dismantling of the frame of the window, so it's best left to a professional. But, with the right tools and experience it is possible to fix old sash windows yourself. Adam shows Jess how to start:

Getting the window to come apart begins with the removal of any security fittings in front of the lower sash. Next, remove the staff bead and take the sash off the bottom. Remove the cords and chains from both sides, and knot them so that they cannot be pulled back by the weights attached. The next step is to remove the upper sash. Unscrew the sash stoppers (a thin vertical strip of wood that holds the sash) and loosen any painted-covered hardware. Pull the sash back to reveal the weight. It is a massive iron or lead cylinder that is hidden in a cavity, and secured by an elastic cord. To stop the sash from falling into the void, you must pierce it using a nail, and then sacrifice the weight.

After the sashes have been removed clean the jambs and rails that connect them. Remove the glazing bars and the cords for the sash. Then using a utility knife take off any paint that is on the sash stop. Reattach the stops after the sashes have been put back in place. Use nails that are small enough not to damage the balancing weight.

Reassemble the sash by inserting the upper sash on top of its track, then the lower sash. Make sure that the sash stops and the frame are properly aligned. If necessary, reattach any parting beads. Then, reconnect the sash chains or cords and re-install the axles of the sash windows repair pulleys.