"Maria" wrote

I am the new homeowner of a 1927 Craftsman bungalow and am very

Maria, if you mean 1927 as the year it was built, I'd relax. It;s been doing
that for 80 years now.

crystallized material on some. How long until major damage is
caused. I know I need to address some things like the lack of roof
vent ridges and the old drafty windows, but don't know if much can be
done until spring ( I live in Northern NY). Any ideas? I'm afraid I
have ice dams forming.

You will get ice dams. They fall off in spring. Pretty normal.