Page 9 - TEESIN E-CATALOG 200219EN VER2

ONCRETE FLOOR
CPREPARATION GUIDE
The most effective
reference tool for determine concrete
surfaces profile is the molded rubber comparator chips,
available from the international Concrete Repair Institute. These
samples replicate nine grades of surface roughness and are designed for
direct visual and tactile comparison to the concrete surface in ques-
tion. There is no definitive text description for the nine grades.

CSP 4 - CSP 6 A scarifier consists
of rows of toothed
washers assembled
on steel rods that are
mounted to a rotating
steel drum. As the
drum spins, the wash- CSP 1 - CSP 3
ers strike the surface,
fracturing and pul- Acid etching of concrete floors is mainly used
verizing concrete and for light duty applications as the weakly bonded
producing a striated laitance layer is not totally removed. Acid etching
pattern. Scarifying does not remove surface contaminants, which
only works on hori- must be removed before the acid etching process.
zontal surfaces.
Hammers with a different heads can be
fitted for different purposes, such as
remov-ing residues or even breaking up
concrete or sandstone. Because they are
not really designed for removing the
concrete sur-face itself, a CSP number
is not relevant to their action.

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