Water proof heat-insulated roofing board
A roofing board and white cement technology, which is applied to roofing, roof covering, roofing with flat/curved panels, etc., can solve problems such as affecting the health of construction workers and pollute the environment, and achieve good thermal insulation and waterproof performance and low cost. , the effect of long service life
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Embodiment approach 1
[0008] Set up the steel mold, place the steel mold on the vibrating frame of the flat vibrating machine, the weight ratio of each component of the concrete is: 35% of 425 grade white cement, 40% of rice grain stone with a volume of 0.1-0.4 cubic centimeters, and The size is 20% of sand of 0.001-0.008 cubic centimeter, 5% of rubber water, fully stir. Spread it in the steel mold, start the vibration machine, the vibration is dense, non-porous, and the surface is smooth. The finished product specification is: 50cm×50cm×2.5cm.
Embodiment approach 2
[0009] Embodiment 2: In order to increase strength and save cost, it can be divided into upper and lower layers, the upper layer is the composition of the present invention, and the lower layer is ordinary concrete plus perlite particles. The production method is:
[0010] Lay the upper layer in the steel mold first, with a thickness of 1.25cmm. The weight ratio of each component is: 37% of 425 grade white cement, 38% of rice grain stone with a volume of 0.1-0.4 cubic centimeter, 20% of sand with a particle size of 0.001-0.008 cubic centimeter, and 5% of rubber water. Stir well . Lay it on ordinary concrete, start the vibrator, and vibrate densely and without holes.
[0011] Lay the lower layer again, i.e. concrete composed of cement, stones, sand, and perlite particles. The weight percentage of perlite particles is about 2%. Start the vibration machine to make it dense and smooth the surface.
[0012] The finished product specification is: 50cm×50cm×2.5cm.
Embodiment approach 3
[0013] Embodiment 3: set up the steel mold, place the steel mold on the vibrating frame of the flat vibrating machine, the weight proportion of each component of the concrete is: 36% of No. 425 white cement, and the rice grain stone with a volume of 0.1-0.4 cubic centimeters 41%, 17% sand with a particle size of 0.001-0.008 cubic centimeters, and 6% rubber water. Stir well. Spread it in the steel mold, start the vibration machine, the vibration is dense, non-porous, and the surface is smooth.
[0014] The finished product specification is: 50cm×50cm×2.5cm.
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