Garage Floor Concrete Topping. Laying a concrete floor in an existing building takes some special skills and tools. Water deposits on the garage floor and makes its way into the concrete's capillaries. The water freezes and subsequently expands into its surroundings, causing the surface to weaken, separate, and finally crumble.
The garage door to ensure drainage and prevent water from ponding on the floor. How do you fix concrete garage floor spalling and pitting? A good coating gives concrete an durable layer of protection against heavy traffic, abrasion, chemicals, and moisture exposure.
Gallery of Garage Floor Concrete Topping
The layers come off in small sheets or flat little chunks. The coarse aggregate should be of nominal size 9,5 mm for a topping of nominal thickness 30 mm. Laying a concrete floor in an existing building takes some special skills and tools. I have used 1.125 t&g ply over 2x12 joists with a 3 normal weight topping.