Dehumidifying structural, reinforcing, grey cement plaster

Code: RNF.0199

Components: 1

Appearance: Powder

Composite , reinforced fibre, reinforcing, dehumidifying cement mortar, for the structural renovation of vintage masonry or dilapidated monuments. UNISAN is composed of grey cement binders, selected aggregates, specific agents, alkali resistant fibres. It brings together in a single product, the characteristics of compression strength (> 26 N/mm²) and the dehumidifying quality of a macroporous plaster. UNISAN allows for the vertical reinforcement of masonry walls, by "reinforced slab", using only one product which renovates and strengthens at the same time.

Linee di appartenenza

Certification obtained and Standards

Products and systems for the protection and repair of concrete structures - Structural and non-structural repair

EN 1504-3

Products and systems for the protection and repair of concrete structures - Structural and non-structural repair

Specification for Mortar for Masonry - Mortars for renovations (R)

EN 998-1

Specification for Mortar for Masonry - Mortars for renovations (R)

General characteristics


Max. recommended thickness: 40 mm


Maximum diameter of aggregate: 1.5 mm


Min. recommended thickness: 20 mm


Mix with water: 14 %




Pot-life: 60 min


Shelf-life: 12 months


Temperature of use: +5 / +35 °C


Use wearing protective gloves

Technical specifications

Bonding force

> 0.9 N/mm²


11 μ

Capillary absorption

0.14 kg•h^0.5/m²

Compressive strength

> 20 N/mm²


1700 kg/m³

Flexural strength

> 4 N/mm²


> 12 _

Reaction to fire

A1 _

Static elastic modulus

11700 N/mm²

Water/binder ratio

0.45 _

Available colours

- Gray

Packaging and dimensions

- Bag 25 kg

- Pallet: 50 x (Bag 25 kg)


Approximately 15 kg/m² of UNISAN for every centimetre of thickness to be implemented (approximately 1500 kg per cubic metre).

Use fields

Construction of plasters and reinforced slabs in interventions of restoration, construction of plaster and dehumidifying coatings with high performance, bedding of bricks and modular elements.

Preparation of supports

The surfaces should be clean and free of any soiling, crumbling and non-adhering parts, dust, etc., conveniently saturated with water until they reach the condition of "saturated dry surface".

In the case of structural reinforcing slabs, you will need to proceed with applying an appropriate reinforcing electrowelded mesh, to be fixed with PROFIX, GROUT MICRO-J, REPAR TIX G2 or SYNTECH IC 55.

Use method

Pour about 2/3 of the mixing water into the mixer, add UNISAN and the remaining water; continue to mix until a homogeneous lump-free mixture is obtained. The mixing water should be about 12-14% of the weight of the bag. After mixing is completed wait a few minutes before applying. Apply the product by plastering trowel and brick trowel, or preferably with plastering machine (type PFT model G4).
Do not apply in case of direct exposure to sunlight or excessive ventilation. Cure the protection and the prolonged moist hardening, of exposed surfaces.

Application methods

- Brick trowel

- Finishing trowel

- Plastering machine

- Straight edge

Tool cleaning

- Water

Permitted supports

- Bricks

- Tuff

- Mixed walls (bricks and stones)

- Brickworks

- Stone walls

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