PS Spray Mortar 40 is supplied as a ready to use blend of dry powders which is formulated for application using the dry spray process. The material is based on Portland cements, graded aggregates, silica fume, chemical additives and polymer modifiers, providing a spray mortar with low rebound and good handling characteristics. The low water requirement ensures good strength gain and long term durability. Builds of up to 150 mm vertically and 90 mm overhead can be achieved in a single application.

Uses

PS Spray Mortar 40 is designed for large area repairs such as bridges, tunnels, retaining walls, dams, refurbishment of columns etc. The aggregates are chosen so as to be classified as ‘non reactive’, and has an alkali content (expressed as Na2O) of less than 3.0 kg/m³.

Characteristics / Advantages

• Non-reactive aggregates
• Controlled alkali level
• Low rebound
• Rapid strength gain
• Low water absorption and chloride ion diffusion
• High resistance to carbon dioxide penetration
• Excellent bond to the concrete substrate
• Single component — ready to use
• No added caustic accelerators
• Contains no chloride admixtures

Available in 30kgs bags