First, the material
The square bricks must meet the design specifications in terms of variety, size, color, pattern, and grade. Their quality should comply with national standards, and they must come with a certificate of conformity. Any bricks that are chipped, cracked, or damaged should be discarded. It is strictly prohibited to store them in bulk on the construction site or expose them to water.
Auxiliary materials include cement, sand, and water.
Second, the tools
You will need sieves, window screens, wooden and iron trowels, small shovels, straight wooden bars, levelers, ink lines, eight-foot rulers, support plates, hardwood clappers, brooms, watering cans, nutcrackers, wooden hammers, wires, large hammers, steel sheet cutters, diamond cutting machines, and mixing tools for mortar.
Third, the construction instructions
1. When opening the packaging, check the product details such as specifications, size, and color code to ensure accuracy.
Arrange the same type of bricks together for a uniform appearance. Mixing different products is not recommended unless you're aiming for a specific artistic effect.
2. Before laying, do a trial layout on the ground to determine the best brick arrangement. If the tiles have a pattern or directional design, follow the provided guidelines for optimal results. For tiles of different sizes, use the labels to distinguish them and match adjacent tiles by color or size if needed.
3. During pre-laying, set up vertical guides on the prepared surface and use a leveling bar to ensure evenness.
4. Clean the site and sprinkle water appropriately to make the work easier. It's recommended to mix 325-grade cement with sand in a 1:3 ratio. Avoid using too high a mortar grade (not exceeding 200#), as this may lead to uneven shrinkage during curing.
5. Mark the layout according to the design dimensions, leaving a gap of 5–12 mm between bricks for proper spacing.
6. Begin paving only after the base has fully cured. While laying, gently press each brick to remove air bubbles and ensure good adhesion. Tap the surface with a wooden hammer to secure it properly and avoid hollow sounds. Then, adjust the level using a spirit level to ensure a flat finish.
7. After laying, perform side jointing using cement mortar. You can also add color pigments for aesthetic appeal. The joints should be 5–12 mm wide and 2 mm deep. A solid base and full joint filling will enhance durability and prevent cracking or falling off over time.
8. During the process, regularly mist the surface and sweep away any excess cement or sticky residue to prevent long-term staining that’s hard to clean.
9. After 12 hours, tap the surface to check for any "hollow" sounds, which indicate poor adhesion. If found, re-pave the affected area.
10. Once the laying is complete, wait 24 hours before walking or cleaning. Mix a mild detergent with water and thoroughly clean the tiles to reveal their natural shine.
11. Avoid construction in cold weather. If temperatures drop below 5°C, add antifreeze to the mortar. After completion, cover the surface with straw mats to help the cement cure properly.
12. After installation, keep the surface moist by sprinkling water to accelerate the curing process. The square bricks can typically be used normally after about 15 days.
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