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 on the exterior, which presumably holds the windows in place. This substance is cracking and whole chunks are falling out of ...

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 ...

A: The hard stuff to which you refer is well-aged glazier's putty. This compound is used to hold glass panels in place in old-fashioned aluminum window frames. Very soft and pliable when installed, ...