How do I cement countertops?
Mold, Mix and PourSet up your cement countertop mold. Mix 100 lbs. of type I or III Portland cement with 40 lbs. of water. Add your choice of color pigment, and mix well for 5 to 10 minutes. Keep your recipe exact to get the same results with each mix. Pour wet concrete into your mold.Shape and CureUse a hand tool called a float to level the surface of your countertop. Trowels and straightedges help shape sides and corners. Control the drying environment by covering wet cement with curing covers. Your cement must dry slow and evenly while curing.Grind and SealRemove the mold, and let your countertop rest for 48 hours. Grind your countertop with a handheld electric sander. Use coarse diamond grinding pads on the rough top and edges first, exposing air pockets. Fill the air holes with the same color grout and allow drying time. Sand the roughness again. Use fine sanding pads and hand finishing sanding blocks to smooth and prepare the surface for a wet seal. Wipe a hybrid sealer over your
