Stucco Mortar
A
ready mixed dry (colored) cement
final coat
Composition: Stucco mortar is a ready mixed
dry mortar composed of
· a
number of
mineral binding materials the most important of which is Portland Cement
· well
graded
aggregate composed of inorganic mineral compounds
· polymeric
and mineral admixtures necessary to acquire the desired physical,
mechanical
and chemical properties
· Coloring
oxides.
Scope
of utilization:
the execution of a thin finishing mortar
layer, white or colored , to be applied directly on top of cement
mortar
under-coat in external finishing works & internal decoration. It
can also
be applied on concrete surface.
Types:
Stucco mortar is produced white and colored, in three different size
grades; these are:
Technical characteristics:
· The
product
is in the form of a dry powder ready for direct use after the addition
of water
only
· The
initial
setting period of the paste ranges between 55 to 60 minutes which
provides a
reasonable period for application
· The
mortar
has high adhesive properties to existing undercoat even fair face
· The
finished coat has high resistance to humidity and water and posses good
breathability. It has good resistance to prevailing environmental
conditions
Method
of utilization:
· Add
about
6.5 to 7 liters of water to each sack of 25 kgs to form a paste of
suitable
workability. The paste may be left to mature for a short period of time
i.e.
between 5 to 10 minutes before application.
· Dust
should
be removed from the surface by using a brush and / or through washing
and
wetting by water.
· Apply
the
mortar on the wall and spread it to a final thickness of 2 to 3 mms ,
which
could be increased according to the evenness of the wall surface
followed by
final surface finishing by wooden or plastic trawler.
Advantages:
· Easy
application
· Requires
only the addition of the recommended amount of water
· Gives
final
surface in one stage only
· Economic
Period
of application:
within 45 minutes after the
addition of water to the dry powder.
Rate
of use:
between 3.5 to 4 kegs / m2. This rate may slightly
increase according to evenness of the wall surface
Storage:
12 months from the date of production in shaded and dry
atmosphere.