Some common issues with historic leaded glass windows in a Federal Colonial house include:
1. Broken or cracked glass: Over time, the glass panels in leaded windows can become damaged due to various factors such as age, weathering, or accidental impact.
2. Deteriorated lead caming: The lead strips that hold the glass panels in place, known as caming, can deteriorate over time. This can lead to sagging or loose glass panels, as well as water infiltration.
3. Leaks and moisture damage: As leaded windows age, they may develop gaps or cracks, causing air and water leakage. This can lead to moisture damage, rot, and deterioration of the surrounding woodwork.
4. Paint and putty deterioration: The paint and putty used to seal and protect the windows can deteriorate over time, especially in exterior windows exposed to weather elements. This can cause peeling, flaking, or chipping of the paint and putty, leading to potential water infiltration.
5. Inefficient energy performance: Leaded glass windows, especially those with single-pane glass, are often less energy-efficient compared to modern windows. They can allow heat transfer through the glass, resulting in higher energy bills and reduced comfort.
6. Discoloration and fading: The stained glass elements in leaded windows can fade or become discolored over time due to exposure to sunlight, pollutants, or improper cleaning methods.
7. Structural issues: In some cases, the frame or sashes of the windows may have structural issues such as warping, decay, or damage, which can affect the overall integrity of the leaded glass windows.
It is important to consult with professionals who specialize in historic window restoration and preservation when dealing with any issues related to historic leaded glass windows.
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