In Reading 8, ching first introduced how the wall is waterproof, how to carry greater load, durability, wind and fire in the snowy day, choose the right building materials, build and heat the building correctly, and consider structural changes. , thermal expansion and contraction, exposure to the sun’s radiation and changes in the wind, and so on. And introduced flashing, a variety of flashing has different functions, as well as masonry veneer can also be used as curtain walls supported by steel or concrete frames. Also related to thermal insulation or materials, insulating roof or wall, mosture control ,vapor Retarder and ventilation.