The steel frame light roof panel is a very sophisticated operation. If the device is not good, it will not only affect the construction of the beautiful, but also affect the safety of the building.
The waterproof layer of aerated concrete roof slab. In addition to its own should have good waterproof function. Board should have good whole rigidity. In all stiffness in addition to achieve and the main structure has outstanding joint outside. First must to strengthen the side seam between the joint. Such as the gap is small. And the A shares of cement mortar slip joint. It should be in the seams between the nail into the antirust processing of sheet metal. Or filled with mortar.