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Planiseal 88

Planiseal 88

Brand: Mapei

Regular price £70.86
(£85.03 Inc VAT)
Regular price £68.53 Sale price £70.86
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25kg bag

Osmotic cementitious mortar suitable for contact with drinking water, for waterproofing masonry and concrete structures.

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  • Datasheet



· Repairing underground masonries subject to water and moisture seepage in situations with negative pressure up to 1 atmosphere.

· Waterproofing basins, reservoirs, concrete or masonry tanks and pipes containing drinking water.

· Waterproofing concrete or masonry tanks containing sewage water Some application examples Waterproofing: · drinking water reservoirs:

· interior and exterior cellar walls;

· damp areas; - swimming-pools;

· lift-rooms; · underground passages;

· foundation walls;

· irrigation channels.


Planiseal 88 is a one-component osmotic mortar, composed of a cement-based compound, selected graded aggregates and special synthetic resins according to a formula developed in the MAPEI Research & Development Laboratories. When mixed with water, Planiseal 88 becomes a fluid mortar that can be applied by trowel, brush or by spray with excellent adhesion to the substrate for complete waterproofing, even in the presence of negative pressure. Planiseal 88 is certified to AS/NZS 4020:2018 for use with potable water. Planiseal 88 corresponds to the principles defined in EN 1504-9 (“Products and systems for the protection and repair of concrete structures: definitions, requirements, quality control and evaluation of conformity. General principles for the use of products and systems”) and the requirements of EN 1504-2 coating (C) according to the MC and IR principles (“Surface protection systems for concrete”)


· Do not use Planiseal 88 for solving internal condensation problems (use de-humidifying renders, improve ventilation to the area or provide adequate insulation).

· Do not use on plasters, plasterboards, painted walls, plywood, chipboard, asbestos cement.

· Do not mix Planiseal 88 with admixtures, cement or aggregates.

· Do not use on surfaces subject to dynamic stresses

· In no case should Planiseal 88 be applied to a substrate that shows signs of standing water on the surface Do not mix Planiseal 88 with more water than is specified.



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