Insulating existing Brick wall in Bathroom Alcove

Hello and Thank you in advance,I started demo on my first floor bathroom of my 1965 Zone 5 (Northwest NJ) House today. Behind the tile of the alcove for the… Hello and Thank you in advance,I started demo on my first floor bathroom of my 1965 Zone 5 (Northwest NJ) House today. Behind the tile of the alcove for the…Read MoreGreenBuildingAdvisor