Check and treat the base layer, and check the condition of the original exterior wall bricks, no cracking (if cracking is filled with hard filler), no powder dropping, no sanding, and no hollowing (such as hollowing should be knocked out), no peeling, No lime burst points and no old coatings with poor adhesion, etc. On the construction wall, according to the design drawing, the vertical and horizontal reference lines are bounced on the wall with ink lines.
Prepare the special bonding mortar according to the specified ratio, add the special powdery binder to the appropriate clean water and mix it evenly with an electric mixer, and then start pasting the decorative insulation sandwich panels. The diameter of each coating point is > 150mm, no less per square meter Apply in 8 dots. Leave a gap of 15mm between the board and the board to adjust the installation error. When the decorative insulation sandwich panel is installed, the left and right, up and down deviation should not be greater than 1.5mm.
The decorative insulation sandwich panel is pasted, and after the position is determined, mechanical fasteners should be installed, and they should be fixed on the base layer with self-tapping screws. The anchors should be installed from the middle of the straight edge at a distance of 300-500mm, 6--8 per square meter, and then add external pressure parts to adjust the height difference of the plate seam if necessary. Do not use too much force to install the inner and outer anchors, so as not to cause damage to the board surface.
Metal carved boards are used in a wide range. Let me introduce its anti-skid stability of it and the protective layer and the knowledge of its cooperation with materials.
1. Reinforcement, enhances the tensile strength and deformation resistance of the soil, enhances the stability of the building structure, and improves the quality of the soil.
2. Closed, cooperate with other materials to form an impermeable interlayer in the soil layer. The application of this aspect is mainly used for road resurfacing and repair.
3. The protection effectively diffuses, transmits, or decomposes the concentrated stress to prevent the soil from being damaged by external forces.
4. Filtration When the water flows from the fine-grained soil layer to the coarse-grained soil layer, the good air permeability and water permeability of the needle-punched metal carving board are used to allow the water to pass through and effectively intercept the soil particles, fine sand, small stones, etc. To maintain the stability of water and soil engineering.