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Grupo Cementos Portland ValderrivasGrupo Cementos Portland Valderrivas

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  1. Mortar - Bagged mortar - Products range - Briclaying - Valsec Gran Formato

Mortar - Bagged mortar - Products range - Briclaying - Valsec Gran Formato

Product range: Masonry mortar

Valsec Gran Formato

Adhesive mortar for laying large bricks.

Adhesive mortar for walls made of large ceramic bricks. Also recommended for laminated gypsum panels, plastered brick, mouldings, etc.

Scope of application

Indoor use.

Supply conditions

Bagged (15 kg. bags).



Mixing instructions

Mix by hand or mechanically (electric mixer on low speed) to obtain a smooth paste. Let stand for 5 minutes. Excessive mixing may accelerating setting and impair the product. Do not add extra water after initial mixing.

Substrate preparation

All surfaces that come into contact with VALSEC GRAN FORMATO mortar must fulfil the following conditions:

  • They must be strong, rough, clean and stable.
  • Do not use on water-repellent substrates or on substrates with paint or plastic coating.
Instructions for application

The first course of large format bricks should be laid on a strip of expanded polystyrene attached to the substrate with adhesive mortar. Then lay the first course, spreading adhesive mortar on the base and sides of the bricks; set bricks in place with a rubber mallet. Clean joints half an hour after placement.

Características técnicas mortero gran formato UNE EN 12860
0.2 mm sieve retention ≤ 10% Usage time (after adding water) > 60 min.
Application temperature 5ºC - 35ºC Onset of setting (UNE EN 13279-2) > 45 min.
Water proportion 70 ± 2 % Adhesion (UNE-EN 1015-12) Conforme
Apparent density (UNE EN 1015-6) 1,0 ± 0,1 kg/l Fire resistance A1

Industrial mortar by the Cementos Portland Valderrivas Group is produced in plants with a certified quality assurance system which conforms to the UNE EN ISO 9001:2000 standard.

The data is based on trials performed in our control laboratory and is the result of extensive experience with VALSEC products. Variations in working conditions on site may lead to changes in performance.


Store in a dry place, protected from frost and direct sunlight. If properly stored, the product may be used up to 12 months after manufacture.


This product contains cement. Avoid contact with eyes and skin, and do not inhale the dust. Use rubber gloves and goggles when handling. Keep out of reach of children. Do not use the product at an ambient temperature below 5ºC or above 35ºC.

Note: Cementos Portland Valderrivas is not responsible for inappropriate use of the product or for unexpected outcomes arising from its usage, since the application conditions and methods are beyond our control. The customer is responsible for ensuring correct use of the product.

© Cementos Portland Valderrivas 2018. All rights reserved.