Mortar Specialties

Cement Based Mortar

Monneli Plastocell

Flexible Fibre Reinforced Cementitious Plaster

PLASTOCELL can be directly applied on the primed substrates without the need to roughen it by hacking or by applying rush coat internally and externally. It can be applied as a thin layer plaster with thickness varies from 4mm to 10mm on the following substrates:
AAC (autoclaved aerated concrete blocks)
Block walls
Smooth concrete walls or ceilings
Walls constructed by cement blocks, clay or bricks
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Technical Information
Product Description

A single component, flexible fiber reinforced cementitious plaster composed of high resistant cement, graded fillers, lime and special additived. It is recommended for internal and external applications with a thickness from 6 to 10mm in one layer. Due to it's content additives, PLASTOCELL can be applied directly to primed cementitious or concrete substrates without the need of rush coat.

Can be applied by traditional hand application or by plastering machines directly on smooth concrete surfaces without the need to roughen the substrates by hacking or by applying rush coat.

PLASTOCELL is an ideal replacement for conventional, sand / cement plaster specially in coastal areas as it is sulphide and chloride resistant.

  • Easily workable
  • High adhesion power
  • Excellent elasticity
Compiliance Standard
  • BS 5262, 5492
  • ASTM C 387
Packaging, Coverage / Consumption


PLASTOCELL is supplied in 50kg bags.



1.6 Kg. / m² per 1 mm of thickness.

Shelf Life & Storage


Store in dry covered place in the original closed bags. The product shelf life is 12 months in unopened bags.

Technical Properties



Grey powder

Density at 25°C

1.6 kg/L


2.3 g/L

pH at 25°C


Maximum granulometry


Pot life

60 minutes

Compressive strength

16 N/mm2

Flexural strength

3 N/mm2

Time to wait before painting

15 days

Tests performed at 25°C, 50% of relative humidity and in absence of ventilation.


All values are subject to 5-10 % tolerance

Application Information
Instructions for use

Surface preparation

Concrete or cement block surfaces must be clean, solid and free from dust, grease, curing compound, friable parts, efflorescence, etc.

Cellular concrete supports must be planar and clean from adhesive residues after block laying. Possible chases (as a result of plumbing and electrical works) must be filled with the same adhesive used for laying AAC Block (NEOFIL BLOCK).

For joints which were previously filled with elastic material like polyurethane foam, a supporting glass-fibers fabric must be applied. All the supports must be primed with PRIMER A18 before applying PLASTOCELL.


To prepare the mortar, pour 8 - 9 liters of water into a container and add slowly, while mixing 50 Kg of PLASTOCELL bag.

Mix carefully for some minutes till obtaining a homogeneous mixture free from lumps.


While the primer is still sticky, apply PLASTOCELL in double coat with smooth spatula or by plastering machine. To obtain a perfect finishing, the first coat must be applied in thin layer, and while it is still fresh the following coat must be applied to the required thickness.

Once dried at touch, the surface can be finished with smooth or sponge spatula to obtain the essential effect desired.
If a plaster machine is used, the plaster would be applied in a continuous operation and finished manually to the specified thickness.

The recommended applied thickness per coat would be:

  • Ceilings approx. 6 mm
  • Internal Walls 6 – 10 mm
  • External Walls 7 – 10 mm

Protect the surface from too rapid water evaporation by applying water curing for a minimum of 3 days.


  • No further water should be added to the mix. Hard and set plaster should not be re-mixed or used.
  • Do not apply PLASTOCELL onto gypsum, metallic and wooden supports.
  • PLASTOCELL is not coloured so the possibility of non-perfectly homogeneous coloured finishing exists.
  • During summer season, working area should be covered to prevent the direct sun effects. Keep equipment cool and use cold water.
  • The applied plaster has to be water cured for a period of 2 days.
  • Before applying any kind of stucco finish, paint, or wall paper the plaster has to be allowed to dry out completely.
  • Should not be applied on floors or on painted surfaces.
Additional Information
Health & Safety

PLASTOCELL is a cement-based product.


During application, wear appropriate protective clothing, goggles, gloves and respiratory equipment if necessary.


In case of contact with skin, rinse with water and again wash thoroughly with soap and water. In case of contact with eyes, rinse with plenty of water and seek medical advice accordingly.


If ingested, obtain medical attention immediately. Do not induce vomiting.

Important note

The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.

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