GEN Concrete Mixes

At Monty Mix Concrete, we supply a full range of GEN concrete mixes, engineered to meet the needs of builders, contractors, and developers across a wide variety of projects. GEN mixes are general-purpose, standardised mixes that offer reliable performance and versatility for both structural and non-structural applications.

What Are GEN Mixes?

GEN mixes are predefined, general-purpose concrete grades, designed to simplify ordering while providing consistent strength, durability, and workability. They are ideal for projects where a reliable, straightforward concrete solution is required without custom specifications.

Four people smoothing a large freshly poured concrete slab

The MontyMix Difference.

Choosing Montymix for your volumetric concrete needs in Powys means partnering with a company committed to delivering high-quality concrete, exceptional service, and unbeatable value.

Benefits of GEN Concrete Mixes

Versatile – Suitable for a wide range of residential, commercial, and civil applications.

Consistent Quality – Each mix is produced to strict standards, ensuring predictable performance.

Ease of Use – Simplifies specification for builders and contractors.

Cost-Effective – Standardised mixes reduce planning and material costs.

Wide Range – Covers low-strength to high-strength requirements.

RC Common GEN Mix Grades and Applications

GEN Grade: RC25/30
Strength: (N/mm²)30
Typical Applications: Standard house foundations, reinforced footings, floor slabs, light-use structural elements.

GEN Grade: GEN1
Strength: 10–15
Typical Applications: Blinding layers, kerb bedding, footpaths, light-duty garden works.

GEN Grade: GEN2
Strength: 15–20
Typical Applications: Domestic foundations, oversites, small retaining walls.

GEN Grade: GEN3
Strength: 20–25
Typical Applications: House slabs, driveways, garage bases, light commercial structures.

GEN Grade: GEN4
Strength: 25–30
Typical Applications: Reinforced footings, medium-duty floor slabs, paving for commercial sites.

GEN Grade: GEN5
Strength: 30–40
Typical Applications: Heavy-duty floors, structural slabs, civil engineering works, multi-storey projects.

(Other GEN grades available on request for specialised requirements)

A fresh layer of concrete laid on a grassy area

Choosing the Right GEN Mix

The appropriate GEN mix depends on your project’s load requirements, exposure conditions, and structural demands. Our experienced team is ready to provide guidance, ensuring you get the mix that’s right for your project.

Reliable Supply for Every Project

Whether it’s a small residential job or a large commercial development, Monty Mix Concrete delivers GEN mixes on time and to specification. Our modern fleet and expert support make it simple to keep your project moving efficiently.

Simplifying Concrete for Builders and Contractors

GEN mixes are a practical, dependable solution for a wide range of construction projects. With Monty Mix Concrete, you can trust that every load meets high standards of quality, strength, and reliability.

Open steel-framed barn with exposed roof, partially filled with wet concrete
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