The aluminum windows on my house have an almost concrete-like substance (or very hard putty) on the exterior, which presumably holds the windows in place. This substance is cracking and whole chunks ...

Q: The aluminum windows on my house have an almost concrete-like substance — or very hard putty — on the exterior, which presumably holds the windows in place. This substance is cracking and whole ...

Q: The aluminum windows on my house have an almost concrete-like substance on the exterior, which presumably holds the windows in place. This substance is cracking and whole chunks are falling out of ...

A few years after their installation, the putty used to hold the glass in the window (glazing) and door frames started cracking and falling away, leaving parts of the glass exposed. What could be the ...

This commentary is by Alex Tolstoi, a preservation consultant and carpenter who founded Vermont Property Preservation Consultants. Snow is melting, the sap is running, and uncovered heads and hands ...