
Uses
- Counterweights – provides reliable stability for bridges, cranes, elevators, and heavy machinery.
- X-ray and radiotherapy rooms – provides effective radiation shielding for medical and industrial facilities.
- Noise and vibration control – enhances sound insulation and reduces vibrations in buildings and industrial settings.

Features
- High strength – available in strengths up to C40/50 for robust and durable performance.
- Pumpable over long distances – can be pumped great distances making it well suited to the construction.
- Versatile workability – offered in all slump and flow ranges for flexible application.
- Customisable density – available from 2400 kg/m3 to 4200 kg/m3 and to suit your project needs.

Benefits
- Low thermal shrinkage – enhances durability by reducing cracking and deformation.
- Smooth finish – delivers a high-quality concrete surface for a professional look.
- Easy to place and compact – simplifies installation while ensuring a strong, uniform structure.
Latest News

Capital Concrete Works With Brett Concrete And Brett Aggregates To Supply New “Rolling Bridge” In Lowestoft
Capital Concrete and Brett Concrete, with support from Brett Aggregates, have recently supplied Heavyweight Concrete to a new record-breaking bridge in Lowestoft. The new crossing is a rolling bascule bridge and is the largest single-leafed moveable bridge in the world to date.
Capital Concrete worked closely with Brett Concrete, who helped produce the heavyweight material at their nearby Ipswich Central Plant, and Brett Aggregates, who handled the transportation of aggregate materials to and around the plant.
Where to find us
Head Office
Eclipse House, Eclipse Park, Sittingbourne Road, Maidstone, Kent ME14 3EN
t: 020 3974 0520
Click here to view or download the map of our site locations.

Wembley
Capacity: 300m3/hr, wet
Neasden Rail Siding,
The Rail Yard, Drury Way,
Neasden NW10 0JJ
t: 020 8016 6764
Covering all areas within an hour’s journey from our plant including: Wembley and Cricklewood, Finchley, Golders Green, Kilburn, Muswell Hill, Islington, Edgeware, Harrow, Old Oak Common, Acton and Paddington.
Bow
Capacity: 60m3/hr, dry
Chapman Road, Bow,
London E9 5DW
t: 020 8986 6616
Covering all areas within an hour’s journey from our plant including: Enfield, Stratford, Woolwich, Holloway, Canary Wharf and Clerkenwell.
Cricklewood
Capacity: 160m3/hr, wet
Cricklewood Railway Yard, 400 Edgware Road, Cricklewood
NW2 6ND
t: 020 8187 1560
Covering areas including: Wembley and Cricklewood, Finchley, Golders Green, Kilburn, Muswell Hill, Islington, Edgeware, Harrow, Old Oak Common, Acton and Paddington.
Croydon
Capacity: 70m3/hr, wet/dry
Endeavour Way,
Beddington Farm Road,
Croydon, Surrey CR0 4TR
t: 020 8665 6348
Covering all areas within an hour’s journey from our plant including: Orpington, Bromley, Caterham, Epsom, Sutton and Wimbledon.
Enfield
Capacity: 50m3/hr, dry
Jeffreys Road, Enfield EN3 7UA
t: 020 8805 8150
Covering all areas within an hour’s journey from our plant including: Cheshunt, Waltham Abbey, Enfield, Potters Bar, Palmers Green, Waltham Forest and Hoddesdon.
Langley
Capacity: 60m3/hr, wet
Langley Station Road, Langley SL3 6ED
t: 01753 291935
Covering all areas within an hour’s journey from our plant including: Langley, Feltham, Staines, Kingston, Richmond, Brentford, Hayes, Heathrow, Slough, Maidenhead, Bracknell, Woking and Cobham.
Rainham
Capacity: 80m3/hr, wet
Launders Lane, Rainham,
Essex RM13 9GJ
t: 01708 206839
Covering all areas within an hour’s journey from our plant including: Dagenham, Barking, Grays, Tilbury and Upminster.
Romford
Capacity: 60m3/hr, wet/dry
Hainault Road, Little Heath,
Romford, Essex RM6 5SS
t: 020 8599 3929
Covering all areas within an hour’s journey from our plant including: Loughton, Enfield, Epping, Brentwood, Barking and Dagenham.
Silvertown
Capacity: 200m3/hr, wet
Peruvian Wharf, North Woolwich
Road, Silvertown E16 2AB
t: 020 3926 7551
Covering all areas within an hour’s journey from our plant including: Stratford, Woolwich, Holloway, Canary Wharf, Barking, London Bridge and Greenwich.
Staines
Capacity: 100m3/hr, wet
Ashford Road, Laleham
Middlesex TW18 1QF
t: 01784 770270
Covering all areas within an hour’s journey from our plant including: Feltham, Staines, Kingston, Richmond, Brentford, Hayes, Heathrow, Slough, Maidenhead, Bracknell, Woking and Cobham.
Wembley
Capacity: 300m3/hr, wet
Neasden Rail Siding,
The Rail Yard, Drury Way,
Neasden NW10 0JJ
t: 020 8016 6764
Covering all areas within an hour’s journey from our plant including: Wembley and Cricklewood, Finchley, Golders Green, Kilburn, Muswell Hill, Islington, Edgeware, Harrow, Old Oak Common, Acton and Paddington.