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pack cementitous waterproof coating
Engineer Plus HEWC-99 is a two
component cementitious & acrylic flexible waterproofing & protective
coating composed of best quality portland cement, properly selected & graded
aggregates, additives & acrylic emulsion polymer as a binder. It is applied
to waterproof and protect concrete and similar structures. specially formulated
for swimming pools, retaining walls, pile heads, water tanks, submerged
tunnels, sumps, bridge decks, marbles, granites and a wide variety of extreme
service class structures because on curing it forms an excellent elastomeric,
waterproof & protective layer over the substrate.
Areas of Application
Engineer Plus HEWC-99 can be applied to new or old concrete structures that are
structurally sound and strong,
Basement retaining walls.
Structural surfaces of cellars.
Concrete roof slabs, floors, balcony floor slabs.
Water tanks and swimming pools.
Canals and dam walls.
surfaces of dykes.
Waterproof coating (bottom coat) for marble, granite and other
Suitable for steam room waterproofing.
Sewage treatment plants.
For special applications such as areas where more thick plaster
application is needed.
Features & Benefits
Flexibility - Provides a flexible &
low permeable coating.
Water permeability - Excellent resistance to ingress of water.
Slip resistant - Provides slip resistant coating.
Waterproof - Waterproof for concrete structures.
Adhesion - Excellent
adhesion to concrete, natural and artificial stone.
Diffusion - Excellent
resistance to chloride ion diffusion and carbon dioxide.
Low temperature resistant - Resistance to freeze-thaw cycles and de-icing salts.
Carbonation - Prevents carbonation of cement concrete.
The surface must be strong & free from dirt, dust &
loose particles. Thoroughly wire brush the surface & clean the dust by air
compressor or wash the surface with water.
Oil & grease must be removed using degreasing solvents.
crevices must be duly filled or repaired with appropriate product such as
Plus URP -99 / Engineer Plus BMP-99
Shake well the liquid component to a homogenous milky colour
, before mixing transfer entire quantity of liquid component into a suitable
clean mixing vessel, gradually start addition of powder component under constant
mixing with a stirrer using a pneumatic or electric power tool (1kw) at slow
speed at 250 – 300 rpm
for 3- 5 minutes to a
homogeneous & uniform free flowing slurry.
Apply slurry coat of mixed material for two coats at a
coverage rate of 1.5 kg/m2 over the set concrete slab by a masonry brush or
appropriate power spray equipment.
slabs or roof slabs
Two coat of mixed slurry to be applied to the set concrete @
1.5 - 2kg/m2 by a masonry brush, roller or appropriate power spray equipment.
Two coats of mixed slurry to be applied on to the pile head @
0.75kg/m2 first coat and 1.25 to 1.5 kg/m2.
Second coat either by a masonry brush or by appropriate power
tanks and Swimming pools
Two coat of Engineer
Plus HEWC-99 applied
@ 1.5 kg/m2 each coat by a masonry brush or an appropriate power spray
All applications where two coats is specified, the second
coat shall be applied when the first coat is completely dried.
The treated area should be protected from direct sunlight and
to be damp cured by covering with damp hessian or similar system.
It is recommended to apply one coat at the bottom side of the
marble @ 1.5 mm thick at a coverage of approximately 1.8 to 2 kg/m2.
Mix the entire quantity of both the components at one go.
Do not use powder with the liquid other than the powder
accompanied with liquid, it will affect the performance.
Do not add water for dilution.
Do not flood or over expose the treated surface to water
until it is completely cured
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