Concrete types

There are plenty of different purposes people have for concrete; it can be used for foundations, flooring, walls and more. But not every concrete mix is the same, and depending on what you are aiming to achieve, you need to get a concrete mix that is fit for purpose.

GEN 0 / C7/8 Concrete

GEN 0 or wet lean mix concrete is a versatile mix commonly used in both commercial and domestic projects for a wide range of general applications, non-structural applications.

Suitable for: 

Kerb Bedding
Haunching & Backing
Blinding
Cavity Fill

This standardised mix has a strength rating of 7 newtons after 28 days

GEN 1 / C10 Concrete

Gen 1 or C10 concrete is an extremely versatile mix used throughout the construction industry for general and housing applications. This includes un-reinforced strip, trench fill and and agricultural applications.

Suitable for: 

Pad Foundations
Floor Blinding
Trench Filling
Drainage Works

This standardised mix has a strength rating of 10 newtons after 28 days

GEN 2 / C15 Concrete

GEN 2 concrete or C15 Concrete are perfect If there is no embedded metal in the floors, this concrete type is perfect. It is especially popular for bare finishes where nothing will be used to cover it.

Suitable for: 

Internal flooring
Paving
Shed Bases
Foundations for conservatories

This standardised mix has a strength rating of 15 newtons after 28 days

GEN 3 / C20 Concrete

GEN 3 Concrete or C20 Concrete is best deployed where the ground may not be stable enough, this concrete can be used as a slabbed foundation for anything from homes to caravans.

Suitable for: 

Extensions
Reinforced bases
Slabbed foundations
Foundations for large walls

This standardised mix has a strength rating of 20 newtons after 28 days

C25 / ST2 Concrete

C25 concrete and ST2 Concrete can be utilised for flooring or as a mass fill under footings and foundations. Because of its strength it can sometimes be deployed for agricultural purposes.

Suitable for: 

Foundations
Patios
Trench Filling
House Extensions

This standardised mix has a strength rating of 25 newtons after 28 days

C30 / St3 / PAV1 Concrete

C30 concrete, ST 3 concrete and PAV1 concrete are the most common types of concrete used for pavement construction. It is an aerated concrete which protects the surface from damage due to freezing temperatures in the winter.

Suitable for: 

Pavements
Driveways
Stables
Hard Standings

This standardised mix has a strength rating of 30 newtons after 28 days

C35 / PAV2 Concrete

C35 concrete and PAV2 concrete are heavy duty concretes for high traffic areas. PAV 2 mixes have the added benefit of being aerated to protect outdoor concrete surfaces from damage due to freezing temperatures in the winter.

Suitable for: 

Light Storage Areas
House Extensions
Bases for Commercial Buildings
High Traffic, Heavy Load Bearing Areas

This standardised mix has a strength rating of 35 newtons after 28 days

C40 Concrete

C40 concrete is a strong mix, this concrete can be used for construction of foundations where heavy loads or traffic will be present. It can also be used for structural support beams in construction.

Suitable for: 

Roadworks
Structural Construction
HGV Parking Areas
Septic Tank Foundations

This standardised mix has a strength rating of 40 newtons after 28 days