Steel mesh is usually used at the building of small concrete patios, sidewalks and slabs for backyard sheds. While steel mesh doesn’t have the strength of rebar required for larger bases, for smaller jobs the steel mesh is absolutely adequate for adding strength to the concrete. Vinyl Condos, often known as mesh or rebar seats, are used to hold the supporting metal 2 inches from the ground to center the mesh within the concrete as it is being poured.
Excavate the dirt within the concrete types to your thickness of 4-inches.
Roll out a roll of metal mesh over your types, and trim the perimeter of the steel mesh with wire cutters so that the mesh will sit evenly 2-inches back in every edge within the types. If one more than one piece of mesh is required, overlap the bits by about a foot and tie the intersections with cable rebar ties.
Position a 2-inch mesh chair under the mesh every 2 feet in every direction, raising the net into a height of 2 inches above the dirt under, and 2 inches below the top of the types.
Mix and pour the concrete to fill out the types. Use a metal rake to spread the concrete evenly within the types, and a scoop to transfer concrete in an area of surplus to an area within the types that needs additional concrete.
Screed the cover of the concrete with a screed board resting on the opposing edges of this form. Slide the screed board back and forwards across the types, flattening out the cover of the concrete. Fill any areas that need additional concrete utilizing the scoop as you screed.
Float the surface of the concrete using a hand float after the screeding is complete. Work at a long, sweeping motion, flattening the concrete and removing gaps. Work the surface of the concrete only enough to allow it to be flat as well as without overworking the surface.
Insert a concrete edger and slide it along the edge of the types to round-over the concrete edges once the concrete is starting to firm up. Then lightly thrust a stiff-bristled push broom throughout the surface of the concrete perpendicular to the types to give the concrete a broom finish, that will help maintain the concrete surface in becoming slick after a rain.