HEWC-99-15kg

HEWC-99

Two 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.

·          Pile Heads.

·          Structural surfaces of cellars.

·          Concrete roof slabs, floors, balcony floor slabs.

·          Water tanks and swimming pools.

·          Bridge decks.

·          Canals and dam walls.

·          Structural surfaces of dykes.

·          Waterproof coating (bottom coat) for marble, granite and other natural stones.

·          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.

Method of Application

1 SURFACE PREPRATION

·         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.

·         Cracks and crevices must be duly filled or repaired with appropriate product such as

Engineer Plus URP -99 /  Engineer Plus BMP-99

2 Mixing

·         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.

3 APPLICATION

Blinding Coverage

·         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.

Concrete 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.

Pile Heads

·         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 spray equipment.

Water 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 equipment.

·         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.

Marbles/Stones

·         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.

 Precautions & Limitations

·         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

Technical Information

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