在屋面工程施工前，凡进入隐蔽工程的施工项目，应对前分项分部工程进行验收

Before the construction of the roofing project, any construction project that enters the concealed project should be checked and accepted by the previous sub-project. Before waterproof construction, the base layer should be dry, flat and smooth, and the yin and yang corners should be made into small round feet. During the construction of the roofing project, pay attention to the temperature to ensure the waterproof function and no leakage. The structure and the waterproof insulation layer must meet the design requirements. After the roofing project is completed, proper protection measures should be taken to prevent damage.

Before the roofing project construction, where the construction project enters the hidden project, the former sub-division project shall be accepted. Before waterproof construction, the grass should be dry, flat, smooth, yin and yang angle to be made into small round feet. Roofing project construction, pay attention to grasp the temperature, to ensure waterproof function, no leakage phenomenon, its construction and waterproof insulation layer must meet the design requirements. After the construction of roofing works is completed, proper protective measures should be taken to prevent damage.

Before the construction of roof works, all the construction projects entering the concealed works shall be checked and accepted by the previous sub projects. Before waterproof construction, the base should be dry, flat and smooth, and the internal and external corners should be made into small round feet. During the construction of roof engineering, attention should be paid to the temperature to ensure the waterproof function without leakage. The structure and waterproof insulation layer must meet the design requirements. After the construction of roof works is completed, proper protection measures shall be taken to prevent damage.<br>