How to Build a Concrete Slab | Lowe's
Repeat the process until you have a 4-inch bed of gravel. Step 4: Mix the Concrete. Mix the concrete according to the package instructions. For some guidance on pouring concrete, see how to Mix Concrete by Hand. Step 5: Pour the Concrete Pad. Set the frame back in place. If you're building a deck landing, have it slightly slope away from the ...