2 lb. closed-cell spray-foam insulation installation
I am willing to wager the carpenters who mortised these chestnut beams in 1834 never imagined a part soy expanding foam insulation being sprayed on their work 175 years later.
I am willing to wager the carpenters who mortised these chestnut beams in 1834 never imagined a part soy expanding foam insulation being sprayed on their work 175 years later.