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Mapei Adesilex P9 High Performance Tile Adhesive C2TE – Pallet Deals and Bulk Buy


Mapei Adesilex P9 – Superior Ceramic Tile Adhesive High Strength, High Performance

Polymer Modified Enhanced Cementitious Adhesive With No Vertical Slip and Extended Open Time

Interior and exterior floor and wall bonding of all types of ceramic tiles and mosaics on conventional walls with cementitious renders, cementitious screeds, anhydrite screeds and gypsum walls (specifically primed beforehand), painted interior walls, as long as the paint is well anchored, existing terrazzo or marble floors (maximum size 900 cm2) suitably cured concrete structures. Bonding all types of ceramic and mosaic tiles (max. size of tiles 300 cm2 and stable substrates) in pools and basins.

  • No vertical slip
  • Extended open time
  • Interior and exterior installations
  • Wall and floor
  • Suitable for tile-on-tile applications

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£420.00£849.00 +VAT

£420.00 +VAT
£660.40 +VAT
£802.00 +VAT
£849.00 +VAT

Mapei Adesilex P9 further information

Mapei Adesilex P9 is CE marked, as declared in ITT certificate nº 54680102.101 (SFV) issued by the Säurefliesner-Vereinigung e.V. Grossburgwedel laboratory (Germany)


Bonding ceramic tiles

  • Mosaics and small sizes in general (trowel n. 4): 2 kg/m2
  • Normal sizes (trowel n. 5): 2.5-3 kg/m
  • Large sizes, exterior floors (trowel n. 6): 4 kg/m2


Interior and exterior bonding of all types of ceramic tiles (thin porcelain tiles, single- fired, double fired, clinker, bricks ect.) and mosaics on floors, walls and ceilings. Also suitable for spot bonding of insulating materials such as expanded polystyrene, rock and glass wool, sound-deadening panels, etc.

Some application examples

    • Bonding ceramic tiles, stone materials (non-moisture sensitive) and mosaics on the following substrates:
      • – conventional renders or cementitious mortar walls; – interior aerated concrete block walls;
      • – gypsum or anhydrite after having first applied Mapei Primer G or Mapei Eco Prim T Plus;
      • – gypsum board;
      • – underfloor heating installations;
      • – cementitious screeds, as long as they are sufficiently cured and dry;
      • – interior painted walls, as long as the paint is firmly anchored.
  • Tile on tile of existing flooring with both ceramic and natural stone tiles, as long as they are well bonded to the substrate and have no cracks.
  • Bonding small sized tiles in swimming pools and basins.


Mapei Adesilex P9 is an off-white powder composed of cement, selected sand, synthetic resins and special additives, developed in the MAPEI Research and Development Laboratories.

A mortar with the following properties is obtained when mixed with water:

  • Easily workable;
  • Highly thixotropic; Mapei Adesilex P9 can be applied on a vertical surface without slumping or slipping even when heavy tiles are used;
  • Perfect adherence to all materials normally used in building;
  • Hardens with minimal shrinkage
  • Extended open time.
  • Water and frost resistant.


Do not use Mapei Adesilex P9:

  • On precoat and poured concrete walls.
  • On walls or floors subject to deflection or vibration (wood, fibre-cement, etc.)
  • On metal surfaces.
  • For installations that require an adhesive thickness greater than 5 mm.


Preparing the substrate

All substrates must be flat, sound, free of loose parts, grease, oils, paints, wax, etc. Cementitious substrates should not continue to shrink after the installation of the ceramic tiles. Renders must cure at least 2 weeks and cementitious screeds must be cured at least 3-4 weeks, unless special MAPEI binders
for screeds such as Mapei Mapecem, Mapecem Pronto, Topcem or Topcem Pronto have been used.
Dampen the surfaces with water to cool down if they should be too warm or exposed to direct sunlight.
Gypsum substrates and anhydrite screeds must be perfectly dry (max. residual moisture 0.5%), sufficiently hardened and free from laitance. It is essential that they be treated with Mapei Primer G or Mapei Eco Prim T Plus. In areas subject to dampness prime the substrate with Mapei Primer S.

Preparing the mix

Mix Mapei Adesilex P9 with clean water until a smooth, lump-free paste is obtained. Leave to rest approximately 5 minutes and re-stir. Use 29-31 parts water for every 100 parts by weight of Mapei Adesilex P9, which is equal to 5.8-6.2 litres of water for every 20 kg of powder. Mixed this way, Mapei Adesilex P9 has a pot life of approximately 8 hours.

Applying the mix

Mapei Adesilex P9 is applied to the substrate using a notched trowel. Choose a trowel in order to achieve 65-70% coverage of the back of the tiles for internal walls and 100% for floor areas and all external works/wet areas.

To obtain good adhesion, spread a first thin layer of Mapei Adesilex P9 on the substrate using the straight edge of the trowel. Immediately, apply the necessary thickness of Mapei Adesilex P9 using a suitable notched trowel, depending on the type and size of the tiles (see “Consumption”).

For external tiling and when applying in swimming pools and basins filled with water, spread the adhesive on the back of the tile (back-buttering) in order to ensure complete contact.

Installing the tiles

Do not wet the tiles before installing. Only when dusty is it recommended to dip the tiles in clean water. Dry before fixing.
Tiles should be installed with a firm pressure to ensure good contact with the adhesive.
In normal temperature and humidity conditions, the open time of Mapei Adesilex P9 is approximately 30 minutes. Unfavourable weather conditions (strong sun, drying wind, high temperatures, etc.) or a highly absorbent substrate can reduce the open time to just a few minutes.
It is therefore necessary to check carefully in order to ensure that a skin has not formed on the surface of the adhesive. If not, re-freshen the adhesive by re-spreading with a notched trowel.
It is not recommended to wet the adhesive with water once a skin has formed because, the water will form an anti-adhesive film.
If necessary, tiles should be adjusted within 60 minutes after installation.
Tiling installed with Adesilex P9 must not be washed or exposed to rain for at least 24 hours and must be protected from frost and strong sun for at least 5-7 days.


Wall joints can be grouted after 4-8 hours and floor joints can be grouted after 24 hours with the relevant MAPEI cementitious or epoxy grouts, available in different colours. Expansion joints must be sealed with the relevant MAPEI sealants.

Spot-bonding insulating materials

For spot-bonding sound-deadening or insulating panels, apply Mapei Adesilex P9 with a trowel or a float.


Floors are able to take light foot traffic after approximately 24 hours.


Surfaces are ready for use after approximately 14 days.
Basins and swimming pools can be filled after 21 days.


Tools and containers should be cleaned with plenty of water while Mapei Adesilex P9 is still fresh. Surfaces should be cleaned with a damp cloth, before the adhesive dries.


Mapei Adesilex P9 white and grey are available in 20 kg bags.


Mapei Adesilex P9 can be stored 12 months in a normal environment in original packaging.


Product Identity

Colourwhite or grey
Bulk density (kg/m3)1300
Dry solids content (%)100
EMICODEEC1 R Plus - very low emission

Application Data (at 23oC and 50% RH)

Mixing ratio100 parts Mapei Adesilex P9 with 29-31 parts water by weight
Consistency of mixcreamy paste
Density of the mix (kg/m3)1500
pH of mix13
Pot lifeover 8 hours
Application temperaturefrom +5°C to +40°C
Open time (acc. EN 1346)30 minutes
Adjustability timeapprox. 60 minutes
Ready for grouting on wallsafter 4-8 hours depending on absorbency
Ready for grouting on floorsafter 24 hours
Set to light foot traffic24 hours
Ready for use14 days

Final Performances

Bonding strength in compliance with EN 1348 (N/mm2):
a) – initial bonding after 28 days:
b) – bonding after heat exposure:
c) – bonding after immersion in water:
d) – bonding after freeze/thaw cycles:

a) 1.8
b) 1.8
c) 1.1
d) 1.5
Resistance to alkaliexcellent
Resistance to oilsexcellent (poor to vegetable oil)
Resistance to solventsexcellent
Temperature when in usefrom –30°C to +90°C
View other products by Mapei here.


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