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Inlaid patterns also can be made using the surface paper forming technique.
A paper pattern is supplied in rolls. Some special designs for small areas
also are available. Although most any pattern can be made, brick is the
most common.
After the concrete is placed and floated, the paper pattern is laid on
the surface and cut to the slab dimensions. The paper form is then floated
into the slab surface. The number of passes made with the float controls
the depth of relief of the brick joints. The paper should be thick enough
and strong enough to resist tearing during the floating operation.
After the paper is properly embedded, a dry-shake color mix is usually
broadcast and floated into the slab surface to create color contrast between
the imitation brick and mortar joints. After the concrete has hardened
sufficiently, the paper form is pulled off the surface. Then the stenciled
concrete area is sealed.
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