cau truc cah nhiet phai dam bao:

1, co do vung chac va ben vung cao, chong duoc va dap, ran nut.

2, co tro tham am cao, lop cach am bo tri o phia nong tranh ngung dong am trong cach nhiet.

3, lop trong cua vach cach nhiet can phai xop, co do dan am hoac do khuyech tan am cao de de dang khuyech tan am tu vach cach nhiet vao buong am

4, cau truch cach nhiet phai tranh cac cau nhiet do cac ket cau chiu luc gay ra nhu cac xa ngang, cot be tong, cac vach ngan, san chiu luc