Hollowcore Concrete Planks - Floorspan Contracts
Hollowcore Concrete Planks - Floorspan Contracts
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Hollowcore Planks

In addition to our beam and block products, we also manufacture a range of prestressed concrete flooring units. These are known as hollowcore concrete planks or slabs.

These planks or slabs are ideal for offices, shops, light industrial, or high quality residential properties where spans are often greater with increased loadings.

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Hollowcore Concrete Planks

We manufacture 150mm and 215mm deep hollowcore units. Our most robust product is able to achieve spans in excess of 8 metres (assuming correct loading conditions).

We can offer reduced width planks to ensure a ‘made-to-measure’ fit for your project. We can also form holes for services and soil pipes during manufacture at no extra cost. 

Hollowcore Planks offer increased fire protection as the increased mass acts dramatically to slow the spread of fire. 

Benefits of Hollowcore Concrete Plank Flooring

Hollowcore planks are ideal for blocks and flats. This is partly due to impressive noise transfer performance.

One way of keeping costs down is minimising the amount of masonry and steelwork required. Planks can span long distances without compromising structural integrity. 

Strong thermal properties so that is it possible to exceed Part L Building Regulations.

A consideration when building blocks of flats, is the risk of fire. Hollowcore Planks are made primarily of concrete, which has excellent fire-resistant qualities.

Follow on trades can continue to work safely as soon as the planks are laid. 

We can fit Hollowcore Planks very quickly over large areas.

Hollowcore planks have preformed holes so it is easy to run services.

This means that you benefit from a range of span and load capabilities. This allows us to produce the correct design for the product.

Can be used with steel, masonry, or precast forms of structural support. 

Hollowcore Concrete Plank Load Span Table

This table has been calculated to give our customers a rough idea of how our planks perform. 

Every job is different, so we work closely with your architect and structural engineers. This ensures that we are working well within the structural capabilities of hollowcore planks. 

Below are the recommended maximum lengths of our planks: 


150mm Planks – 7400mm


215mm Planks – 9800mm


Hollowcore Plank Construction Details

Want to learn more?

In this guide, we'll delve into the essential hollowcore plank construction details and how they contribute to performance.

Working at Height - Fall Arrest

Want to learn more?

In this article, we delve into the world of fall arrest systems, outlining the various types available and their pros and cons.

Area of operation

Our production facility is located in Wisbech, Cambridgeshire. We are ideally situated to provide a competitive service to the following parts of the UK:
  • East Anglia
  • North London
  • Hertfordshire
  • Bedfordshire
  • South Lincolnshire
  • Essex
  • Leicestershire 
  • Nottinghamshire
  • Northamptonshire
  • Oxfordshire
  • Buckinghamshire
  • Berkshire

If you require a quotation, you can request one using our online form.

The map shows our general area of operation. We may be able able to be competitive in other areas, particularly on larger projects.

Floorspan area of operation

From Design To Installation

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