A single-lap tile made so that an edge of one tile fits under a groove along an edge in the next tile in the same course.If you're working in an environment that requires frequent use of transport of chemicals, solvents or oil, PVC interlocking floor tiles are the best choice for you. They are resistant to many corroding agents and chemicals, alongside alcohols, salts and petrol.Concrete mortar consists of crushed small stone (aggregate), cement and water. The prepared concrete mortar is then poured into the molds in the form of interlocking parquet. Then, the spaces and air bubbles in the mortar are removed by means of vibration motors. It leads to raise the strength of the pavers.