Grey Dry Mortar M7.5
The dry mortar Gris M7.5 supplied by AYMAR S.A. is an industrial mortar manufactured with marble aggregates, selected siliceous sands and special additives that give it optimum workability and adherence, for common use in masonry, especially for a good finish in coatings.
Composed of crushed white marble aggregates for use in construction, as aggregates for concrete and mortars (EN 12620 and EN 13139), cement CEM I - 42, 5R (EN 197-1 and UNE 80601), and organic additives to improve the workability of the mortar, reduce the mixing water, increase cohesion, reduce exudation and avoid segregation.
Made in Spain.
- Application field
- Instructions of use
- Recomendations of use
Field of application
- The dry mortar Gris M7.5 is multipurpose. It is used for plastering, raising walls, load-bearing walls, traditional masonry walls with bricks and tiles, terrazzo, prefabricated concrete and thermo-clay, backfilling and screeds.
Instructions for use
- Substrate preparation: clean and wet the substrates before application. The substrate must be completely hardened, resistant, consistent, clean of dust, paint, oil, etc.
- Preparation of the mixture: always use clean running water. Add 3.75-4 l. of mixing water per bag and mix manually (mixer) or with a spraying machine until a homogeneous mass is obtained and apply.
Usage recommedations
- Do not apply at low temperatures and high humidity, with rain or with risk of frost. The temperature of application must be between 5ºC and 30ºC.
- Do not apply on plaster or in union of easily disintegrable pieces.
- Not recommended for machine projection.
- To achieve a satisfactory finish it is advisable to wet the applied mortar several times during the first two weeks after 24 hours after its application.
- The addition of other material (additives, cement, etc.) can change the behavior and characteristics of the product.
