Do Japanese villas have wood as the main structure? If it is between the roof and the tiles, what material is it made of? Ask for answers and get high marks!

In Europe, America and Australia, villas in these places now use more new types of wood. In Japan, most of them are steel structures, and the roofs are cold-formed thin-walled steel (very, very light, even if two floors are hit by an earthquake, no one will die. If you are unlucky, you will be scratched by a cracked hole. . Because this kind of roof is very light, it only needs to be bolted to the roof truss. Many of the wood seen in the photos of earthquake ruins are used as decorative materials for partition walls.

Individual old houses are shingles placed directly on purlins, which fell off during the earthquake.