1. Because the floor and walls on your first floor have been almost decorated, the main expenses are overhead attic and partition room;
A 2.80-square-meter attic leaves 75 square meters after removing the stairs. It is suggested to support the attic with angle steel bars. 10 cm It is best to lay the whole channel steel in the wall, and columns must be added on both sides. The optimum size of angle steel laying is 6 1X6 1cm, which is designed according to the laying size of compressed wood board. The welding of channel steel and angle steel must be in the same plane. Rust-proof coating after construction;
3. It is estimated that there are about 35 No.3 angle steel, 8 steel columns and 35 compressed wooden boards 12cm in the attic. Plus screws and electric welding, the total cost is about 1 ten thousand yuan. The salary is about 7000 yuan, about 17000 yuan.
4. It takes about 200 cubic meters (3X3cm) to separate five rooms, and about 50 compressed wooden boards of 5cm. The cost of materials is about 3500 yuan, and the salary is about 3000 yuan, * * * 6500 yuan.
5. The above * * * costs 23,500 yuan.
Good luck.
A Bin, a real estate agent, will answer your questions.