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CELLBEAM Auto Mate calculates the Critical Temperature for the web and bottom flange of the cellular beam and is not limited to any particular type of fire protection system. Any fire protection company would have the required information to tender their most appropriate product.
![]() Blackpool Car Park, Cork,16m x 4.8m layout |
Cellular Floor Beams
Cellular beams are most commonly used as floor beams. One of the most advantageous uses of cellular beams is within car park construction. For standard span under car park loadings a cellular beam is an extremely efficient structural member. In addition to its lighter weight a cellular beam provides:
- Long Clear Spans
- Service Integration
- Shallow Overall Floor Depths
Cellular beams can easily pre-cambered as part of the manufacturing process resulting beam design should not be governed by deflection considerations under dead loads.
![]() Cambridge Leisure Car Park |
![]() Wm Morrisons HQ Bradford – all secondary and primary beams exactly same depth. |
Cellular floor beams are used for their ability to integrate Structure and Services. Mechanical services like duct, fire sprinkler piping, and telecommunications going through Cellular Beam reducing overall building height. If the circular openings in the cellular beam are insufficient for M&E requirements adjacent cells can be opened up to form large elongated openings.
Note:- Circular ducting is up to three times more energy efficient than rectangular ducting
![]() City Park, Hove. Five nos. elongated cells in each beam and some are stiffened, |
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Tapered Cellular Beams and Columns
![]() Hull KC Stadium - 29m Cantilever with bespoke cells |
Cellular beams are frequently the preferred choice for cantilevers. This is due to the production process, which achieves the two key requirements for a cantilever:
Great depth and therefore huge inertia at the support.
Minimum depth and therefore minimal weight at the tip.
Long cantilevers are often designed using two or even three different beam sizes to minimize the overall weight of the rafter with huge benefit to project cost.
![]() Harlequins Rugby Club |
![]() Holmes Place, with tapered Cellular Column |
![]() As building height increases, cellular columns become increasingly economical compared to other solutions. |
Cellular beams provide the most economical method of producing tapered steel members. Tapered beams can have uniform size cells, or cells of varying size. There are no restrictions on the shape of taper. This affects the relative cost as well.![]() IFB Zeebrugge , Belgium – 53 m Clear Span |
In recent years, there has been an increase in demand for buildings that are fast to construct, have large uninterrupted floor areas, flexible in layout and obviously lighter in weight achieving cost effectiveness. Modern design and construction techniques enable the steel construction sector to satisfy such demands and produce the Cellular Beam which is competitive in terms of overall construction cost indeed. This trend towards longer span, lightweight floor systems, with tendency to lower natural frequencies, Cellular Beam has created a perfect solution from structural and architectural demands. |
In this regards, it's our pleasure and privilege to intimate you that Cellular Beam is now available in Middle East and Bin Mahmoud Trading & Industrial Est (FZE) of Sharjah - UAE is the sole authorized license holder of Westok , UK for the Middle East region under BMT Industrial Division Cellular Beam Technology. Ultra Shallow Floor Beams i.e. USFB is a new generation of beam targeted to suit the concrete slab within the depth of the steel beam in order to create extremely shallow or slim floor construction for both profiled metal deck and pre-cast units. Currently, we have onboard highly efficient, experienced and trained Engineers and Designers to assist and provide designs for all enquiries related to Structural Steel and its conversion into Cellular Beams. We take up all and any projects irrespective of its complexity and facilitate a comprehensive design service. One of our most prestigious and conspicuous project together with Westok , UK , is the world’s tallest tower project, Burj Tower in Dubai . |
![]() Profiling in Parent Beam |
![]() Cellular Beam |
![]() The Geometry of cellular beams are chosen to suit the requirements |
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For many benefits and additional information we invite you to visit Westok website at www.westok.co.uk
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Cellular Roof Beams can be designed either Simply-Supported or as Portal frames. |

ALDI Runcon – 42m Span Curved Portal Frame
![]() Winchester Motorway Services |
Holmes Place, MertonAn increasingly popular form of roof construction is the use of ‘S-shaped’, or ‘Reverse’ curves. Cellular beams are frequently chosen to achieve such a roof shape. The ‘S’ is formed by joining together two single curves of equal or differing radii. |
| Ultra Shallow Floor Beams(USFB) | ||
| Ultra Shallow Floor Beams i.e. “USFB” is a new generation of beam as targeted to suit the concrete slab within the depth of the steel beam in order to create extremely slim floor construction for both profiled metal deck and pre-cast units. There is no “standard” beam size or depth, inother words, each USFB design is carried out to achieve the EXACT depth. | |
The beams comprise pronouncedly asymmetric cellular tees to provide a wide bearing for either pre-cast units or a profiled metal deck.
USFB meets every criteria for depth, cost and lead-time. USFB allows easier installation and faster construction than other methods. Web holes for rebar line through, allowing simple details for deck arrangements. |
Multi-Storied hotel and retail accommodation, requiring
shallowest possible floor design
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![]() Close up at interface between decking and USFB |
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Bristol Paediatric Unit - span 7.2m, beam depth 320mm only |
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225mm deep metal deck supported on bottom flange of USFB, with concrete flush to top flange . |
The USFBs were designed with a 150mm thick in-situ concrete and metal deck slab at 3m centres |

















Multi-Storied hotel and retail accommodation, requiring
shallowest possible floor design

Bristol Paediatric Unit - span 7.2m, beam depth 320mm only
225mm deep metal deck supported on bottom flange of USFB, with concrete flush to top flange .
The USFBs were designed with a 150mm thick in-situ concrete and metal deck slab at 3m centres