Sephaku 42.5N Cement 50 kg

Built for Strength: The Professional’s Choice for Structural Concrete

 

The Sephaku 42.5N Cement is a high-performance, general-purpose blended cement engineered for the "more serious builder." Designed for projects requiring superior load-bearing capabilities, it offers a perfect balance of high early strength and excellent long-term durability.

 

Whether you are casting reinforced concrete slabs, structural columns, or heavy-duty industrial floors, Sephaku 42 provides a cohesive mix that requires less water, reducing the risk of shrinkage and cracking in the harsh South African climate.

 

• 42.5N High-Strength Class: Specifically formulated to exceed the strength of standard 32.5N cements, making it the ideal choice for structural engineering and load-bearing applications.

• Normal Strength Gain (N): The 'N' classification ensures a controlled and consistent strength gain, allowing for professional-quality finishes and structural integrity.
• SANS 50197-1 Compliant: Fully complies with South African National Standards (CEM II/A-L or CEM IV/A-V), ensuring peace of mind for building inspectors and contractors.
• Enhanced Workability: Despite its high strength, this cement is designed to be easy to mix and apply, providing a smooth finish for screeds and plasters.
• Eco-Friendly Choice: Features lower embodied CO2 due to the use of high-grade cement extenders, making it a more sustainable option for modern construction.

   

 Key Features

• Strength Grade: 42.5N (High Strength)
• Application: Structural Concrete, Slabs, Columns, and Pre-cast products.
• Durability: Reduced water demand for a denser, more durable concrete.
• Versatility: Suitable for mortar, plaster, and high-strength screeding.

• Consistency: Manufactured with precision to ensure bag-to-bag uniformity.

  Key Product Specifications

• Brand: Sephaku Cement (Powered by Dangote)

• Product Name: Sephaku 42

• Strength Class: 42.5N
• Bag Weight: 50kg
• Standard Compliance: SANS 50197-1:2013
• Cement Type: Blended Portland Cement (CEM II or CEM IV)

• Bag Type: Durable 2-ply or 3-ply paper (Blue/White Branding)

   Ideal For

• Structural Elements: Foundations, slabs, beams, and columns.

• Heavy-Duty Flooring: Industrial workshop floors and high-traffic driveways.

• Pre-cast Products: Manufacturing of high-quality bricks, blocks, and lintels.

• Water-Tight Structures: Ideal for reservoirs and swimming pools when mixed correctly.

   

What’s in the Box

• 1 x Sephaku 42 (42.5N) High-Strength Cement - 50kg Bag

  Top 3 Frequently Asked Questions (FAQs)

1. Can I use 42.5N cement for general bricklaying?

   • Yes, you can. While 42.5N is a higher-strength grade than typically required for non-load-bearing walls, it is extremely versatile. For mortar, a typical mix ratio of 1 part cement to 6 parts building sand is recommended.

2. How many bags of Sephaku 42.5N do I need for 1 cubic metre of concrete?

   • For a high-strength mix (25-30 MPa), you generally need approximately 9 to 10 bags of cement per cubic metre, combined with the correct ratio of sand and stone.

3. How should I store this cement to prevent it from hardening?

   • Store bags in a dry, weather-protected area. Always stack them on a raised platform (like a wooden pallet) off the ground to prevent moisture from seeping into the bottom bags.