Re: frost/steam between double hungs and storms
kimt --- I agree with jkirk.
Originally Posted by motoguy128
Your windows and / or frames are leaking warm moist air and condensing ( eventually freezing and turning frosty ) on the cold storm windows.
If replacing the windows is not an option then rebuilding them properly is your only option.
You also need to properly seal all the window frames which may require removing the inside trim. Simply stuffing insulation within the weight pocket isn't completely sealing the entire window frame opening on all sides.
"" an ounce of perception -- a pound of obscure "