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.

swr-99

HEWC-99 PRICE LIST

PackingD.P.M.R.P.Cartoon Pack
3 kg351450
15 kg14431850

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.
    1. Water permeability – Excellent resistance to ingress of water.
    2. Slip resistant – Provides slip resistant coating.
    3. Waterproof – Waterproof for concrete structures.
    4. Adhesion – Excellent adhesion to concrete, natural and artificial stone.
    5. Diffusion – Excellent resistance to chloride ion diffusion and carbon dioxide.
    6. Low temperature resistant – Resistance to freeze-thaw cycles and de-icing salts.
    7. 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.