North Wales Leader In Ready Mixed Concrete

GMC Interlocking Concrete Blocks

GMC Interlocking Concrete Interlocking Block
GMC Interlocking Concrete Block

A simple way of building strong concrete block retaining walls, push walls, silage bays, aggregate storage walls, compost bays, wood chip or other material segregation walls for light scrap metals, white goods, RDF waste, black bag waste etc.

GMC Concrete Blocks are also ideal for all sorts of temporary works. Use Concrete blocks for above ground/no dig fencing and hoarding systems you could avoid the risk of costly service strikes. Providing the same advantages as in-situ concrete but without the entire construction costs, inflexibility and interruption of having to cast on site.

All GMC Blocks are Class A1 fire resistant along with resistance to chemical reaction in ground soils to DC-2 level. GMC Concrete Blocks do not contain any reinforced steel, recycled or waste materials.

GMC Concrete Block Features

  • EURO EN13501 1 Fire Classification, Class A1 fire resistant
  • 40.0 N/mm² high strength
  • Design Chemical Class 2
  • 7.5 tonne cast-in lifting pins

GMC Concrete Block Sizes

  • Full Block; 160 x 80 x 80cm
  • Three Quarter Block; 120 x 80 x 80cm
  • Half Block; 80cm x 80cm x 80cm
  • Jersey Block L151cm, H80cm, 25cm width at top, 59cm width at bottom

GMC Concrete Interlocking Block Documentation

GMC Concrete Block Images

Interlocking Block Wall
Interlocking Block Wall
Concrete Interlocking Block 160x80x80cm
Concrete Interlocking Block 160x80x80cm

GMC Concrete Jersey Barriers Images

A Precast concrete Jersey barrier is an interlocking heavy-duty block. If you need delivery for concrete barriers please speak to a member of our team on 01745 853827.

These concrete jersey barriers are cast using high-strength concrete, making them ideal for traffic management, flood defence, site security & perimeter protection.

Our Jersey barriers are 151cm long, 80cm high, 25cm width at top, 59cm width at base and weighs 970kg and can be loaded/offloaded by forklift.

Jersey Barrier
Jersey Barrier

Have you still got questions?


Two Concrete Plants

GMC Concrete operate two ready mixed concrete plants, one at Gwespyr near Holywell and the other at Kinmel Bay near Rhyl.

Competitive Rates

We offer competitive prices and delivery throughout North Wales, Conwy Borough and Flintshire areas. Including Prestatyn, Rhyl, Dyserth, Conwy, Holywell, Flint, Ruthin, Abergele, Colwyn Bay and Llandudno.


We specialise in providing a quality service using small light-weight concrete Mini-Mix trucks as well as the larger 6/8m³ truck mixers.