1. Air circulation insulation method. It is to cover a hollow sandwich of about 30cm on the roof. When the summer sun is exposed, the flowing air below can effectively block the heat transfer effect.

2. Water insulation method. This method has high requirements on the quality of the roof. Now many residents use this insulation method. The roof is usually a shallow puddle, about 15 cm deep. This roof insulation method can be used to reasonably reduce the indoor temperature and is relatively simple.

3. White paper reflection method. It is to lay a layer of smooth white paper on the roof. This material is tin paper, which is not easy to be stained with oil, and can strongly reflect light and heat.

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4. There are many ways to insulate the roof. You can lay a 10 cm thick pearl sand insulation layer on the roof, and then make a layer of cement prefabricated insulation board; If it is a reinforced concrete cast-in-place roof, 20 cm thick soil layer can be stored on it for beautification and planting flowers and plants, which not only beautifies the environment, but also has the function of thermal insulation.

5. The invention discloses a roof leak proof and heat insulation method, which is to cover the whole roof with glass steel sheet and bond the glass steel sheet into a whole.

Compared with the prior art, the utility model has the advantages of simple construction, high material strength, light self weight, long service life, good leakage prevention and heat insulation.

6. If the users on the top layer adopt the method of laying ceramsite concrete insulation, the indoor temperature can be greatly reduced. Not only can it have a comfortable summer, but also it can effectively save electricity consumption and reduce the expenditure of electricity. Apart from being used as the roof insulation layer, ceramsite concrete also plays a good role in moisture-proof and waterproof along with the useful insulation. Now ceramsite concrete has been widely used as the toilet backfill and roof insulation layer.