Grey waterproof mortar M7.5
The Dry Gray Mortar M7,5H supplied by AYMAR S.A. is an industrial mortar manufactured with marble aggregates and special additives that reduce the absorption and permeability of water and give it an optimal docility, workability and adherence, for common use in masonry.
Composition
Composed of white crushed 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 mixing water, increase cohesion, reduce exudation, avoid segregation and minimize water absorption by capillaries of the plastered mortar.
- Application field
- Instructions of use
- Recomendations of use
- Do not apply at low temperatures and high humidity, with rain or with risk of frost. The application temperature 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 several times the applied mortar, during the first two weeks from 24 hours after its application.
- The addition of other material (additives, cement, etc.) can change the behavior and characteristics of the product.
- Preparation of the substrate: clean and dampen 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.
- Do not apply at low temperatures and high humidity, with rain or with risk of frost. The application temperature 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 several times the applied mortar, during the first two weeks from 24 hours after its application.
- The addition of other material (additives, cement, etc.) can change the behavior and characteristics of the product.
