A general purpose bonding agent for mortar, plaster, floor toppings and concrete.

Uses

• Masons Keying Agent is used for bonding mortar, plaster, floor toppings and concrete and renders to brick, and concrete masonry without any need to hack the surface to obtain a bond. Can be used on new or old surfaces.
• Masons Keying Agent can also be added to the mixing water to improve resistance to trace acids and alkali, as well as reducing surface dusting.

Advantages

• Can be used for new work or repair work
• No surface chipping to obtain a bond
• Will adhere to most sound surfaces
• Resists trace acids and alkali
• Faster application of screeds and renders
• Not suitable when continual water

Used as a bonding agent: 5m2 – 12m2 per litre. Coverage is dependent on the coarseness and porosity of the existing surface.