The people who work in the construction industry, probably also know how to build a real house, but those who do not work in the job are not clear.
The wooden roof has been poured with plastic glue or oil paper to waterproof.
You can watch a pretty clip from Uoraloboros Arq youtuber very detailed about how to build a house, who has not grasped the process of building a house, it is better to look through so that if you build a house later, you will be surprised and know how dealing with construction contractors.
