Ideally, you will have no sweating if you have proper insulation and ventialtion. Generally moisture forms by ice freezing on the bottom side of the roof sheathng or the nails sticking through tje she ... read more
I would concur with the above answers. If you are able to fill with wood putty and paint that would prove to be the most cost effective option. If you would like to go further, determine the brand o ... read more