\.applications: Sealing various building materials (such as wood, concrete, brick, etc.) that have joints with little mobility, filling cracks in the wall and ceiling, sealing joints between doors, windows, walls, etc. How to use: The place where Rapidic glue is used must be completely clean and free of dust, grease and rust. There is no need to use primer on polished surfaces. Primer (mixture of acrylic and water in a ratio of 1 to 4) can be used on porous surfaces such as concrete, stone, cement and plaster. The minimum width of the seam can be 5 and the maximum 25 mm.