Formwork material for concrete concealed from view or to be finished covered with other material shall be sawn board reasonably straight grained to provide mechanical bond for subsequent application of finish.
After removal of the formwork the face of the exposed concrete shall be rubbed down immediately to remove fins or other irregularities. In the event of parts of the concrete being honeycombed, such portions shall be cut out to required depth and shape and made up with concrete of approved quality. The face of the concrete for which formwork is provided, other than those against which back fill or further concrete or other material is to be placed to conceal the face of the concrete shall be smoothed with a wooden float to give formwork is provided.
Faces of concrete intended to be plastered or rendered shall be made good, and hacked or treated with a bonding agent to form satisfactory adhesion for render or plaster.
