atal smentlastic tanking hand applied membrane

atal smentlastic

Atal Smentlastic is a two-component, acrylic modified cementitious coating. It is the ideal product to waterproof and re-surface concrete / masonry and can be formed onsite using simple mixing methods. Atal Smentlastic creates an effective barrier against waterborne salts and atmospheric gases and provides a hardwearing, seamless, waterproof membrane for roofs and concrete protection.

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Product Description

Download Atal Smentlastic Datasheet >>

Key Benefits

Potable water certified
2mm coating provides an anti-carbonation cover equivalent to over 80mm of concrete
Waterproof – resists up to 15 bar (150m head) of positive pressure. Resists up to 3 bar (30m head) of negative pressure.
100% elongation.
High resistance to carbon dioxide and chloride ion diffusion
Unlike conventional coatings, which require the concrete to cure for 7 – 28 days,
Atal Semntsil can be applied to 24 hour-old concrete thereby giving immediate protection.
Can be spray applied.
Environmentally friendly, water based product. No solvents and no VOC’s.
Typical Applications

Waterproof lining
Coating seawater channels
Bathroom and wet areas
Waterproof coating for roofs
Fixing tiles in water retaining structures
Protection against carbonation and chloride attacks
Application in marine
All structural cracks should be properly repaired or treated.
Any holes or indentations should be filled with suitable filler prior to application of .
Brick pointing should be made flush.
All renders, coatings, and tiling should be removed back to the structure to be waterproofed.
Any loose pointing should be raked out and re-pointed flush with the surface of the bricks or block work.
Any loose friable concrete or brickwork should be cut out and properly repaired.
All old repairs should be inspected and repaired where necessary.
Newly laid concrete should be smooth and not a tamped down finish.
Newly laid concrete can be coated after 24 hours or as soon as it can be walked on.
Leaking construction joints or cracks should be treated and sealed with a suitable tam injection resin before coating.
Apply 45° fillets to all internal angles, using Atal Aqua Plug or if time permits, sand and cement Atal SPR.

35kg Set

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