Sticking of rock wool board for the main points of exterior wall insulation construction
The rock wool board is the main focus of the construction of the outer wall insulation construction of rock wool board. First, the following treatment is required for the rock wool board to be pasted.
1. Check if the rock wool board is dry and the surface is smooth and clean;
2. Wet and uneven surface. Contaminated rock wool boards shall not be constructed.
When the rock wool board is pasted, it should be constructed according to the construction points to ensure the overall heat preservation effect and function of the outer wall outer insulation. Pay attention to the following points when pasting rock wool board:
1. According to the requirements of building façade design and external thermal insulation technology, the horizontal and vertical control lines of external doors, windows, expansion joints, decorative lines, decorative stitches, etc. are popped on the wall. The vertical reference line should be hung on the yin and yang corners of the building exterior and other necessary places. Horizontal lines should be placed at appropriate positions on each floor to control the verticality and flatness of the rock wool board.
2. The bracket should be installed on the base wall with expansion bolts at least 150mm above the scattered water slope. The spacing of the expansion bolts should be no more than 600mm, or the height of the discrete water slope of the bracket should be adapted to the settlement of the building structure without causing the external wall. Requirements for damage to the external insulation system.
3. The rock wool board should be laid horizontally from bottom to top in the horizontal direction to ensure continuous combination. The joints of the rock are naturally tight, the adjacent plates should be flush, and the upper and lower rows of rock wool boards should be vertically offset. /2. At least when it is not reached, ensure that the width of the 200mm is staggered. The principle of the arrangement of the insulation boards: the large-area planks of the outer wall must be horizontal and the same, and the vertical planes should be arranged in a staggered manner.
4. The glued rock wool board is immediately pasted onto the wall surface, and the action is rapid, in order to prevent the rubber material from crusting and affect the bonding effect. After the rock wool board is attached to the wall, the flattening operation is carried out with a 2m ruler to ensure that the flatness of the board meets the requirements and the bonding is firm. To achieve tightness between the board and the board, do not apply bonding mortar at the seam of the head. Each time a piece of board is pasted, the bonded material extruded on the side of the board should be removed in time, leaving no gap between the boards. The plate and the plate should be squeezed tightly, the gap between the plates is not more than 1 mm, and the height difference between the plates is not more than 1.5 mm. The gap between the plates is filled with rock wool strips, and the bonded mortar is not allowed to exist in the gap of the heat insulating board.
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