Dry hanging stone process

The process of hanging the stone?

[Answer] 1. Plate cutting. According to the design drawings and drawings, the cutting is carried out at the construction site. Due to the large plate size, it is recommended to use a stone cutting machine to cut, pay attention to keep the corners and straightness of the plates.

2, edging. After the sheet is cut, in order to make the corners smooth, it can be polished by a portable sander.

3. Drilling. The adjacent plates are fixed by stainless steel pins, and the pins are inserted into the side holes of the plate. The hole diameter is Φ5mm and the depth is 12mm. The hole is drilled with an electric drill. Since it is related to the mounting accuracy of the sheet, the drilling position is required to be accurate.

4. Slotting. Due to the self-importance of large-size stone, in addition to the steel member to hold the lower part of the plate, it is necessary to provide a support fastener in the middle of the plate to support the weight of the plate.

5, coated with waterproofing agent. Apply a layer of acrylic waterproof coating on the back of the board to enhance the waterproof performance of the exterior finish.

6, the wall is trimmed. If there is a local bulge on the surface of the concrete façade that will affect the installation of the fastener, it must be leveled.

7, the line. The elevation and axis position of the floor are drawn from the structure, the horizontal and vertical control lines of the installation plate are ejected on the wall surface, and the gray cake is made to control the flatness of the plate installation.

8, the wall is painted with waterproofing agent. Since the mortar is not filled between the plate and the concrete wall, in order to prevent leakage due to material properties or construction quality, a layer of waterproofing agent is applied to the outer wall surface. To enhance the waterproof performance of the outer wall.

9. Plate installation. The order of installing the plates is from bottom to top. Two horizontal control lines are pulled on the upper and lower ports of the last row of plate installation positions on the wall, and the plates are installed from the middle or the corners of the wall. First install the first block as the reference, and the flatness is based on the gray cake set in advance, and the wire is suspended vertically and fixed after being calibrated. After the row of plates is installed, the last row of fasteners is fixed and installed. The plate installation requires four corners to be flat and vertical and horizontal.

10. Fixation of the board. The steel fastener and the wall body are fixed by the expansion anchor bolt, and the fastener is a flat steel plate drilled with the bolt mounting hole and the pin hole, and is adjusted according to the installation distance between the wall surface and the plate. The holes in the fasteners are all elliptical so that they can be adjusted during installation.

11. Waterproof treatment of plate joints. The waterproof treatment of the stone veneer joints is sealed with a silicone insert. Before the caulking, a flexible strip of foamed polyethylene material is embedded in the slit as a substrate to control the sealing depth of the joint and to strengthen the adhesive force of the sealant.

The above contents are compiled according to the problems encountered by the students in the actual work, for reference, if there is any problem, please communicate and correct in time.

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