Roofing practice ...

According to the drawing design, floor drain and drainage functions are arranged. Generally, the longitudinal slope of gutter and eaves gutter should not be less than 65438 0%, and the gap at the bottom of gutter should not exceed 200mm.

When laying the coil, pay attention to the direction and tie the knot with the interface. If you don't follow the construction technology, it is easy to have problems such as water leakage in the future. When laying multi-span and high-low span roofs, it should be carried out in the order of high before low, far before near.

After the coil is laid, in order to protect it, heat preservation is generally increased, and a 300mm×300mm expanded perlite heat preservation block is laid, and then a 3cm thick cement mortar protective layer is added on it, and a steel wire mesh is laid on this layer. This double protection will increase security.

So the roof is finished.