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Mapei - Mapelastic

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£150.16 Tax incl.

Mapei Mapelastic is a quick drying, one-part flexible, waterproof membrane suitable for internal and external use in showers, wet rooms and balconies. Ideal for screed, render, concrete, plywood and ceramic finishes.

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Mapelastic is a highy flexible 2 component liquid appied waterproofing membrane it can be used to waterproof terraces, swimming pools, foundations , retaining walls etc.

Key Features

  • Easy to apply by brush, roller or spray
  • Highly flexible
  • Provides a fantastic key to tile onto
  • Thin coat at only 2mm

Surface Preperation

A) Protection and waterproofing of concrete elements and structures. The surface to be treated must be sound and clean. Remove all cement laitance, flaking parts and traces of powder, grease, oil and removing compounds by sand blasting or high pressure washer. If the structure is in a poor condition, remove the damaged parts (to avoid damage to reinforcing rods or cracks due to vibration, water jet blasting is recommended). Once rest has been removed by sand-blasting repair with MAPEI Mapegrout products. Absorbent surfaces should be dampened prior to the application of Mapelastic Smart.
B) Waterproofing balconies, terraces and swimming pools

  • Cementitious screeds, settlement cracks and leveling should be addressed beforehand.
  • Existing floors, these should be well bonded and free from contamination.
  • Renders new, cementitious renders or lime-based renders should be well cured (in good weather 7 days per cm thickness), adherent to the substrate, resistant and free from contamination.

Recommended Systems
Pour component B in to a suitable clean container. Slowly add component A while stirring with a mechanical mixer. Carefully mix Mapelastic Smart for a few minutes, ensuring no powder remains on the sides or bottom of container. Stir until a homogeneous mix is obtained. Use a low speed mechanical mixer, do not prepare by hand. May also be prepared in a mortar mixer, ensure no lumps remain before pouring into pump. Mapelastic Smart must be applied in at least two coats within 60 mins of being mixed, to give a final coat of min. 2cm. Mapelastic Smart can be re-inforced with Mapenet 150, used for crack-bridging with Mapetex Sel and enhanced with the use of Mapeband. After applying Mapelastic Smart, wait at least 5 days for curing (in favourable climatic conditions e.g. 20°C) before laying ceramic tiles. Time is lengthened in colder climate.

Application by brush or roller 1.6kg/m² per mm thickness; Spray gun application 2.2kg/m² per mm thickness.


Data sheet

Medium Grey
2.2KG per mm
For Use On
Application Method
Brush & Spray

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Mapei - Mapelastic

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Mapei - Mapelastic

Tax excluded
£150.16 Tax incl.