More in Kitchen
Materials and Tools:
heavy cardboard or plywood
caulk gun and silicone caulk
fiberglass or masonite
type 1 or 2 cement w/ two parts 3/8-inch pea gravel, three parts sand
3/16-inch paint roller
Updating your kitchen with new concrete countertops is a great way to add value to your home.
Build countertop outdoors or in workshop.
Start by creating template of countertop out of heavy cardboard or plywood. Allow 1/8 inch between countertop and wall or backsplash.
Out of fiberglass or masonite, build forms to fit template.
Mix cement with 2 parts 3/8-inch pea gravel, 3 parts sand, plus coloring pigments and water. Use mixing wand to smooth concrete mixture.
Pour concrete into forms and allow to harden for four days.
Level forms with shims to make concrete smooth and level.
Tip: Gently shaking forms will release air bubbles.
Strip forms from hardened concrete.
Smooth concrete edges with orbital sander.
With a helper, flip the countertop. Concrete countertop can weigh 50 to 75 pounds.
Sand top with 150-grit sandpaper and palm sander, and vacuum up dust and sand.
Seal concrete with water-based sealer.
Sand again, vacuum and seal with food-safe wax.
Polish countertop with power buffer.
With a helper, carry the countertop to the kitchen and gently set in place.
Fill seam between countertop and wall or back splash with silicone caulk.
Check with insurance agent about increased value of home.