When decorating our home, a lot of people like to stack stones on the wall. Especially the home space is relatively large. Like some villas or double floors, pasting stone on the wall will be very beautiful. However, the installation of wall stone is different from the installation of ordinary wall tiles, because the thickness and specifications of wall stone are generally much larger than ceramic tiles, and the weight is also much heavier than ceramic tiles. Therefore, for the installation of wall stones, we must pay special attention to the problems related to the installation of these larger-sized stones.
1. What are the large-scale stones?
1. The side length of the stone is divided: the side length of the small size stone is generally less than 400mm×400mm, and the side length of the large size stone is generally greater than 400mm×400mm.
2. The installation height of the stone is confirmed: for the installation height of the stone below 1000mm, we install it according to the conventional method; for the installation height of the stone exceeding 1000mm, then the installation of the stone needs to be introduced to you below Method to proceed.
2. What are the specific procedures for the installation of large-scale stone materials?
Large-size stone, due to its large size and weight, must be installed by special installation methods. Ordinary stone is pasted with special marble glue or corresponding bonding material. The large-size stone must be carried out by the following method.
The specific operation process of large-size stone installation mainly includes the following major steps:
1. How to drill and tick the stone?
The first step: we must use bench drills to drill holes according to actual requirements before preparing the facing stone for installation. Generally, a nail-wood frame is used to make the drill directly face the upper-end face of the plate, and drill holes on the upper and lower sides of the door stone end face. The position of the holes is generally 1/4 away from the two ends of the board width, with 2 holes on each side. The hole diameter of the holes is 50mm, and the depth is 120mm. The most suitable hole is 8mm from the back of the stone.
Our processing methods for some special stones
For example, when the width of the marble or granite board we choose is large, the number of holes should be appropriately increased. After drilling, use a marble machine to gently pick and chisel the groove to a depth of about 5mm. In this way, the holes can be connected to form an elephant trunk, which can be used to embed the copper wire underneath.
Treatment method for some large size stone veneers
If the size of the panel is large, and it is not easy to tie the galvanized steel wire or copper wire underneath, we can take it on the side of the facing panel, and use a portable light and small grinding wheel at 1/4 of the specified half height. Open a groove on the upper and lower sides, the width of the groove is 30mm to 40mm, and the depth of the groove should be 12mm. In this way, it can be connected to the back of the decorative panel. This vertical groove is generally arranged in the center, and it can also be outside, but it is not allowed to damage the veneer so that the galvanized lead wire or copper wire can be placed in the groove so that it is convenient for us to fix it with the steel mesh.
2. How to wear a copper wire or galvanized lead wire for stone?
The first step: the groove processing of the copper wire or the galvanized lead wire.
We need to cut the prepared copper wire or galvanized lead wire into short sections of about 200mm, and glue one end of the copper wire or galvanized lead wire to epoxy resin with sawdust. Then plug the copper wire or galvanized lead wire into the hole and fix it firmly.
Step 2: At the other end, bend the copper wire or the galvanized lead wire along with the hole nest and lie flat in the groove.
In this way, the upper and lower ends of the marble or granite slab can be made without copper wires or galvanized lead wires protruding, so as to facilitate the tight joints between the stone and the adjacent stone.
3. How to tie the steel bars?
The first step: we must first remove the embedded ribs on the wall, and clean up the part where the stone is inlaid on the wall. After you are ready, you can start tying the steel bars. When tying the steel bars, first tie a steel bar with a vertical diameter of 6mm, and bend the tied vertical bars into the wall with pre-embedded bars. Transverse steel bars are used to tie up marble or granite slabs.
Stone fixing requirements
If the height of the board is 600mm, the first horizontal bar is tied to the main bar at a position about 100mm above the ground, and the lower opening of the first layer of the board is used to fix the copper wire or galvanized lead wire. The second horizontal bar is tied to a position of about 70mm to 80mm on the 500mm horizontal line, which is generally 20mm to 30mm lower than the top of the stone, so it is used to tie the top of the first layer of stone. It is enough to fix the copper wire or the lead wire to tie a transverse steel bar every 600mm upward.
4. How to bounce the line?
The first step: some preparatory work before the bouncing line. First hang the marble or granite wall, column, or door and window with a large wire and hang it vertically. (At this time, the thickness of the stone slab, the gap between the mortar, and the size of the steel mesh should be considered. Generally speaking, the thickness of the stone skin from the structural surface is 50 to 70 mm.)
Step 2: Find out the specific bouncing line after the vertical. After we find the verticality, the outer contour line of marble or granite is ejected on the ground along the wall. This line is the baseline for the installation of the first layer of stone, and then the stone is numbered. For the numbered stone, mark the in-position line on the datum line that has been bounced, leaving a gap of 2mm for each stone.
5. Stone surface treatment
The first step: we need to know the inspection items of the stone before installation. The surface of the stone should be fully dried to ensure that the water content of the stone is less than 8%, and then use the stone protective agent for stone hexahedron protection. This process is required to be carried out in a pollution-free environment. Generally, the operation is carried out in a dry and dust-free indoor environment.
Step 2: Look at the specific steps of stone surface treatment. First of all, we must lay the stone flat on the wood, dipped the protective agent with a wool brush, and apply it evenly on the surface of the stone. It must be painted tightly. After 24 hours after the completion of the first pass, use the same method to coat the stone protectant for the second pass.
If cement or adhesive is used for fixing, after 48 hours, the stone bonding surface should be napped with special glue. The napped glue can be used after curing to reach strength.
6. What are the requirements for grassroots preparation?
The requirements of grassroots preparation. Before installing the stone, it is necessary to clean up the structural surface of the facing stone, and at the same time, carry out the hanging line, find the rules, and pop up the vertical-horizontal line. According to our requirements, the installation line and separation line of the stone are popped up.
7. What are the requirements for installing stone?
1. After the stone is installed, we need to check the vertical and horizontal way to find the squareness of the yin and yang angles with a ruler.
When installing the stone, it is found that the stone specifications are inaccurate or the gaps between the stones are uneven. Rubber pads should be used to pad firmly so that the gaps between the stones can be uniform, and the upper mouth of the first layer of stone can be kept vertical and straight. Completed the control of the vertical straightness and squareness.
2. We need to look at the treatment of stone gaps.
You can use a bowl to prepare plaster of Paris, and paste the plaster into a paste between the upper and lower sides of the marble stone. In this way, the two layers of stone can be integrated, gypsum can be pasted on the wood chips, and then use a ruler to check whether there is any deformation, and grouting can be carried out when the plaster has hardened.
8. Grouting, how to grouting for wall stone installation?
1. Let’s look at some requirements for grouting materials.
The grouting material is cement mortar with a mix ratio of 1:2.5. Put these grouting materials into a bucket and add water to make a paste. Use an iron dustpan to scoop the slurry in slowly. Be careful not to touch the stone. While grouting, use a rubber hammer to gently tap the slate surface to fill the mortar for drainage. gas.
2. Let’s look at the specific requirements of grouting.
The height of the first layer of grouting is 150mm, which is not allowed to exceed 1/3 of the height of the slab. The first grouting is very important because the underside copper wire of the stone also needs to fix the decorative strip panel, so it must be operated gently to prevent violent bumps and violent grouting. Once the stone is found to be displaced, it should be removed and reinstalled immediately.
9. What are the other requirements for wall stone installation?
1. Wipe the seams: After all the stone is installed, we need to remove all traces of plaster or grouting. At this time, you can use a rag to wipe clean, and then adjust the color paste according to the color of the slate for caulking. When caulking, we need to wipe clean while caulking, so that the gap key is even and the net color is consistent.
2. Some requirements for the pillar veneer: if we install the stone on the cylinder, the installation sequence of the red holes of the spring line at this time is actually the same as that of the wall. The important thing to note is that the treatment of the gaps on the pillars also needs to be done in accordance with the method of wiping the gaps.
The above is about the installation and requirements of indoor large-size stone.