How Well Sealed Is the House I Built? | New Build Season 7 Part 3

Hello! I’m Shoyan.
I have been working as a carpenter in Japan for 50 years and am a licensed architect and technician.
I would like to share my work, knowledge, etc., regarding Japanese carpentry.
I hope you enjoy my videos!
#Craftsmanship #WoodWorking #JapaneseCraftsmanship #Carpenter #JapaneseCarpenter #JapaneseSkill #DIY
#DIYwoodworking #JapaneseArchitecture #Architecture #airtight #Insulation