1.T modular house is most economical temporary house for living and working. General standard is width 5m, length 1.15m, or 0.9m which is flexible in design. 2.It is installed quickly, usually 4 workers can assemble 130 square meter one day. While 330 sqm can be loaded in the 40ft container. 3.It can endure dismounting for many times up to 10. The roof is designed with water insulation structure and without tack hole.