Advantages of Cast-in-place Foam Concrete Roof Insulation

On-site pouring foam concrete thermal insulation roof is the method of on-site pouring, and the foam concrete thermal insulation layer is directly constructed on the roof.

1. The structure of foam concrete roof thermal insulation layer

The thermal insulation layer of foamed concrete roof is made of concrete mortar or cement mortar and foamed into foam mortar or foamed cement mortar, and then it is constructed on the roof, after curing and hardening, a thermal insulation layer integrated with the roof is obtained, which becomes a component of the roof section.

Its structure is as follows

(1) Surface waterproof and crack-resistant concrete protective layer

This protective layer is made of waterproof and anti-cracking concrete, and its thickness is generally 20-30 hli.

(2) Pouring foam concrete insulation layer on site

This insulation layer is made of cement paste and foam, feem ntau 400-700 x, thermal conductivity 0.1-0.2w/m•k, thickness 30-300 hli. It is the main layer of the structure, relying on its function realizes the thermal insulation of the building.

(3) Waterproof layer

The waterproof layer can be made of flexible waterproof coiled material. Due to the protection of foam concrete, its life span can reach more than 50 xyoo.

(4) Roof slab and concrete layer

The floor must have a concrete structure layer and no gaps. The old roof should be repaired before construction.

2. Advantages of foam concrete thermal insulation roof

(1) Good overall heat preservation effect

The on-site pouring foam concrete thermal insulation roof adopts the on-site pouring method, and the foam concrete thermal insulation layer is directly constructed on the roof.

(2) The cost is lower than the insulation brick and insulation board

The cost of cast-in-place lightweight foam concrete thermal insulation is lower than that of traditional ceramsite perlite thermal insulation, and is 40% rau 60% of the cost of other thermal insulation.

(3) The process is simple, easier to form, and the construction speed is fast

Compared with other roof insulation methods, it can save construction costs by 60%. Each shift can complete 500-800 square meters, and the construction speed is very fast. When looking for a slope instead of a structure, it can not only save the engineering cost, but also avoid the tilting of the top ceiling beam and slab when the structure is looking for a slope. It only needs to be smoothed with a straightedge according to the slope direction.

(4) Protect the roof and prevent deformation and cracking of the roof structure

The foamed concrete roof will not cause cracks due to temperature changes, and can effectively prevent the deformation of the roof structure and the temperature difference cracks at the junction of the roof structure and the brick wall from occurring.

(5) Extend the life of the waterproof roof and strengthen the waterproof effect

The foamed concrete and the waterproof layer (or structural layer) are closely integrated, which can effectively prevent the roof structure layer (or rigid waterproof layer) from leaking due to thermal expansion and contraction caused by deformation and cracking of the roof structure layer (or rigid waterproof layer), and effectively prevent the waterproof material The aging and deterioration of the waterproof layer extend the life of the waterproof layer and strengthen the waterproof effect.

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