Heidelberg Materials Ready Mix Coarse Concrete 40N 20kg (Formerly known as Hanson UK) is a certified high strength concrete suitable for repair works and cold weather working, when a high strength is required quickly after mixing. Manholes, Ironworks, Foundations, Footings, Lamp posts and Road signs. This product has been used in the construction of basement conversions, major bridges, rail applications and platforms

Heidelberg Materials 40N Concrete (C32/40) is prepared by blending Heidelberg Materials Cement CEM I 52.5N, with Regen GGBS and aggregates (0/4mm sand and 4/10mm coarse aggregate). The blend of CEM I and GGBS produces the cement combination CEM III/A+SR which enhances sulphate resistance.

Features:

• High strength concrete.
• Ideal solution for a whole range of building projects including - Steps & paths, wall foundations, general purpose concrete projects.
• This product has been used in the construction of basements, major bridges, railways & airports.
• Easy to use - just add water.
• Prevents damaging alkali silica reaction.
• Prevents delayed ettringite formation.
• Significantly reduce the rate at which deleterious chemicals, such as chlorides can penetrate the concrete.
• Prevents damaging reactions such as corrosion of embedded steel reinforcement.
• Has additional attributes that enhance sulphate resistance.
• When mixed with 2 litres of water is approximately 0.008m³ of concrete and covers 0.10m² at 75mm depth or 0.08m² at 100mm depth.

Technical data:

• Brand - Heidelberg Materials
• Product Type - Ready Mix Coarse Concrete
• Weight - 20kg
• Strength - 40N/mm²
• Coverage - Approx. 0.10m² at 75mm Depth / 0.08m² at 100mm Depth
• Shelf Life - 12 Months

Standards & Certifications:

• Complies with and meets the requirements of BS 8500, for a CEM III/A+SR