A two part resin-based mortar used for bonding materials. (EN 12004, EN 1504-1).
Reaction resin mortar
A mixture of synthetic resin, mineral extenders and/or aggregates and organic additives which hardens by chemical reaction. The pre-batched components are packed ready to mix together. (EN 12004).
Reinforcement
Bars, wires, meshes or fibres added to mortars or material incorporated within a plaster/render system to improve its mechanical strength. (EN 13318, EN 13500)
Render/plaster coat
A layer applied in one or more operations or passes with the same mix, with the previous pass not being allowed to set before the next one is made (i.e. fresh on fresh). (EN 998-1).
Rendering/plastering system
A sequence of coats to be applied to a substrate which can be possibly used in conjunction with a support and/or reinforcement and/or a pre- treatment. (EN 998-1).
Repair mortar
A designed mortar for repair or replacement of defective concrete. It can be “structural” (contributing to the strength of the construction) or non-structural. (EN 1504-3)
Restoration mortar
A designed mortar for the reconstitution or repair of natural stone masonry.
Retarder
Admixture for mortar which delays the beginning of hardening. (EN 13318)
Roofing mortar
A mortar for fixing and pointing roof tiles and for related works.
Roughness
The characteristic of the texture of the mortar surface.
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