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RSJ's (Rolled Steel Joist), also known as an I-beam or H-beam are created and customised to your exact requirements. Our quality steel and expansive stock allows for quick delivery for any construction project.


We offer all customers a full production and fabrication service encompassing cutting, welding, assembly, drilling and painting. Our welders are certified and quality checked to ensure you receive the best quality.

Loft Steel

Perfect for conversions, our steel beams are ideal support for any loft conversion at any size. They can be fabricated, painted and drilled to your exact requirements saving you both time and money.

Site Erection

At M&M Steelstock we can provide project and site planning, affordable site surveys ensuring you get not only the quality steel work you expect, but also our expertise providing you with a complete 'one stop' service.

Welcome to M&M Steelstock

We are established as a leading supplier of steel products and services. We operate with 3 principles to ensure you get the best service and a 'one stop' solution.

1. Quality Products

2. A Professional Approach

3. Service with a Personal Touch

Our qualified staff offer expert advice ensuring our customers get value for money. We offer a full range of Structural Sections including U Beams, RSJ's, Channels, flats, angles, weldmesh, plates, profiles and a large range of offcuts.

Highest Quality Services Including

Full fabrication

Free 24 hour delivery

No minimum invoice charge for small quantities

Site consultation

Same day cutting

Dismantling & removing of steelwork

Erection & installation


Free design & planning

Primer painting

M&M Steelstock. Providing the complete steel service

RSJ Beams

- Rolled Steel Joist

- Measured and customised for your exact requirements

- Universal Beams (UB)

- Universal Beam / Column (UC)

- Parallel Flange Channel (PFC)


- High quality steel

- Cut, assembled and painted

- Quick delivery

- Full erection service

Loft Steel

- Loft steel customised to your exact requirements

- Full fabrication available

- Quick delivery

Site Erection

- Project and planning advice

- Site surveys

- Quick delivery

Piling Steel

- Fabrication of cleats and plates

- Grey oxide primer or Galvanised

- Quick delivery