The roof consists of two parts: the roof layer and the structural layer. Right?

Roof is generally composed of roof layer, structural layer, insulation layer, waterproof layer and ceiling. However, some roofs with simple structures may only consist of two parts: the roof layer and the structural layer.

Generally, there are rafters: including ceiling, insulation layer when necessary, and some reflection. The roof is the covering part under the roof. Slope roof is generally composed of load-bearing structure and roof, which can make the upper part of the room flat, heat preservation or insulation layer, purlin, insulation layer and roof The type of roof depends on the type of tile.

On other levels, it plays the role of insulation and decoration.

The roof. The insulation layer can be set on the roof layer or ceiling layer, roof truss or girder, etc. Waterproof materials are all kinds of tiles and all kinds of coated waterproof materials and coiled materials used with tiles.

Load bearing structure. At present, the roof truss or cast-in-place reinforced concrete slab is basically used: it mainly bears the roof load and transmits it to the wall or column, and it is decided whether to cover the roof or linoleum tile roof according to the needs, such as tile roof and tile-shaped steel plate color tile roof.