Sash Window Repair and Restoration

Sash window repair projects are almost always worth the trouble, effort, and cost. Old as they may be, those old windows were most likely built better using much better wood than anything than you can buy these days. Yes, they’re definitely worth fixing.

Windows in period properties contribute significantly to the overall look and feel of the whole structure. If these old windows get damaged or fall into disrepair, the overall look of the building will be affected making it look shoddy. What’s more, failing to repair damaged and rotten windows can lead to worse problems. Sometimes the original sash windows may have been replaced with more modern windows that do not go with the style and era of the original structure.

Sash window repair and restoration can mean a lot of things:

  • Servicing existing sash windows
  • Complete replacement of sash windows
  • Replacing a part or whole elements of the current sash windows that have been damaged, rotting, or fallen into disrepair.

Sash window repair outline of steps

  1. Preparing the area. Make sure that the working area is clean and sufficiently covered with dust sheets to reduce the mess to the surroundings.
  2. Removing the sashes. Some people mistake the ropes as the sashes, but actually, the sashes are the parts of the window that hold the glass. You will have a top and bottom sash that will have to be removed.
  3. Checking the sashes for damage and ascertaining what may need to be replaced or repaired.
  4. Checking sills and boxes for soft or rotten areas. The box is the area found behind the pulleys that contains the weights attached to the sash by a sash cord. These rotten areas will need to be cut out and then replaced. Unless necessary, the whole sill may need to be replaced.
  5. Checking the weights and pulleys if they are still in proper working order. The weights and pulleys must operate smoothly, allowing the smooth up and down movement of the sash windows.
  6. Installing new ropes. Ropes should always be replaced when refurbishing windows. Make sure they aren’t painted so they don’t become brittle.
  7. Installing draught-proof brushes and beads. This will help prevent rattling and stop unwanted draughts coming in through the window’s center.
  8. Replacing broken catches.
  9. Painting and decorating. New or newly restored sash windows will need painting with high quality paint if you expect them to last a long time.

Sometimes, simple sash window repair and restoration may no longer be possible. In that case, you will need to have new sash windows made to replace the ones that are beyond repair. You will need to get professional help if you intend to completely replace your sash windows.


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