ComFlor non-composite formwork
Specification details

EN-Construction-Product-ComFlor non-composite formwork | Maximum span (m) for single or double span

Maximum span (m) for single or double span

Maximum span (m) for single span

Profile Steel thickness
(mm)
Profile weight
(kN/m2)
Total slab depth
(mm)
F32
    82 90 100 110 120 130 140 150 200 250 300 350
0.7 0.07 1.77 1.72 1.66 1.61 1.56 1.52 1.48 1.44 1.29 1.11 0.96 0.85
0.9 0.08 2.05 2.00 1.94 1.88 1.82 1.77 1.73 1.69 1.52 1.41 1.31 1.23
1.2 0.11 2.40 2.33 2.25 2.18 2.12 2.06 2.01 1.97 1.80 1.67 1.58 1.50
F35
    85 90 100 110 120 130 140 150 200 250 300 350
0.7 0.07 1.89 1.86 1.79 1.74 1.69 1.64 1.60 1.56 1.40 1.29 1.20 1.12
0.9 0.09 2.20 2.17 2.10 2.04 1.98 1.93 1.88 1.84 1.66 1.53 1.43 1.34
1.2 0.12 2.65 2.61 2.52 2.44 2.38 2.32 2.26 2.22 2.02 1.86 1.73 1.63
F46
      96 100 110 120 130 140 150 200 250 300 350
0.7 0.07   2.08 2.03 1.90 1.78 1.68 1.59 1.51 1.21 1.02 0.88 0.78
0.9 0.09   2.62 2.59 2.51 2.44 2.42 2.36 2.30 1.93 1.62 1.39 1.22
1.2 0.12   3.16 3.12 3.03 2.95 2.87 2.80 2.73 2.46 2.26 2.10 1.97
F60
          110 120 130 140 150 200 250 300 350
0.7 0.08       2.30 2.15 2.03 1.91 1.81 1.44 1.20 1.03 0.90
0.9 0.11       3.08 2.99 2.91 2.86 2.82 2.31 1.92 1.64 1.43
1.2 0.14       3.67 3.56 3.46 3.37 3.29 2.95 2.71 2.51 2.36
F100
                  150 200 250 300 350
0.7 0.09               2.08 1.59 1.29 1.09 0.94
0.9 0.12               3.62 2.74 2.22 1.87 1.61
1.2 0.16               4.62 4.07 3.75 3.40 2.93
F159
                    209 250 300 350
1.25 0.19                 5.71 4.96 4.19 3.51
F210
                      260 300 350
1.25 0.15                   5.85 5.19 4.62

Maximum span (m) for double span

Profile Steel thickness
(mm)
Profile weight
(kN/m2)
Total slab depth
(mm)
F32
    82 90 100 110 120 130 140 150 200 250 300 350
0.7 0.07 1.89 1.82 1.74 1.60 1.54 1.49 1.45 1.41 1.24 1.12 1.02 0.95
0.9 0.08 2.30 2.22 2.13 2.05 1.98 1.91 1.85 1.79 1.53 1.38 1.27 1.18
1.2 0.11 2.59 2.55 2.48 2.39 2.31 2.24 2.18 2.12 1.88 1.70 1.53 1.43
F35
    85 90 100 110 120 130 140 150 200 250 300 350
0.7 0.07 2.15 2.12 2.04 1.98 1.92 1.87 1.82 1.77 1.54 1.39 1.27 1.18
0.9 0.09 2.54 2.53 2.46 2.38 2.31 2.24 2.18 2.13 1.91 1.75 1.58 1.47
1.2 0.12 3.08 3.03 2.93 2.85 2.77 2.74 2.68 2.62 2.34 2.14 1.97 1.83
F46
      96 100 110 120 130 140 150 200 250 300 350
0.7 0.07   2.38 2.31 2.16 2.03 1.91 1.81 1.72 1.38 1.15 1.00 0.88
0.9 0.09   3.06 3.02 2.89 2.78 2.67 2.58 2.49 2.14 1.84 1.58 1.39
1.2 0.12   3.66 3.60 3.45 3.32 3.24 3.19 3.08 2.67 2.39 2.16 1.99
F60
          110 120 130 140 150 200 250 300 350
0.7 0.08       2.63 2.46 2.32 2.18 2.07 1.63 1.36 1.17 1.02
0.9 0.11       3.59 3.44 3.29 3.15 3.04 2.59 2.19 1.87 1.63
1.2 0.14       4.26 4.10 3.96 3.83 3.78 3.26 2.89 2.62 2.40
F100
                  150 200 250 300 350
0.7 0.09               2.39 1.82 1.47 1.24 1.07
0.9 0.12               4.20 3.15 2.54 2.13 1.84
1.2 0.16               5.16 4.47 3.88 3.44 3.12
F159
                    209 250 300 350
1.25 0.19                 5.97 5.16 4.46 3.97

 

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EN-Construction-Product-ComFlor non-composite formwork | Concrete usage table

Concrete usage table

Concrete volume (m3/m2)

Profile Total slab depth (mm)
F32 82 90 100 110 120 130 140 150 200 250 300 350
0.058 0.066 0.076 0.086 0.096 0.106 0.116 0.126 0.176 0.226 0.276 0.326
F35 85 90 100 110 120 130 140 150 200 250 300 350
0.063 0.068 0.078 0.088 0.098 0.108 0.118 0.128 0.178 0.228 0.278 0.328
F46   96 100 110 120 130 140 150 200 250 300 350
  0.069 0.073 0.083 0.093 0.103 0.113 0.123 0.173 0.223 0.273 0.323
F60       110 120 130 140 150 200 250 300 350
      0.076 0.086 0.096 0.106 0.116 0.166 0.216 0.266 0.316
F100               150 200 250 300 350
              0.092 0.142 0.192 0.242 0.292
F159                 209 250 300 350
                0.107 0.148 0.198 0.248
F210                   260 300 350
                  0.092 0.132 0.182

Weight of wet normal concrete (kN/m2)

Profile Total slab depth (mm)
F32 82 90 100 110 120 130 140 150 200 250 300 350
1.46 1.66 1.91 2.16 2.41 2.66 2.91 3.16 4.41 5.66 6.91 8.16
F35 85 90 100 110 120 130 140 150 200 250 300 350
1.57 1.69 1.94 2.19 2.44 2.69 2.94 3.19 4.44 5.69 6.94 8.19
F46   96 100 110 120 130 140 150 200 250 300 350
  1.73 1.83 2.08 2.33 2.58 2.83 3.08 4.33 5.58 6.83 8.08
F60       110 120 130 140 150 200 250 300 350
      1.91 2.16 2.41 2.66 2.91 4.16 5.41 6.66 7.91
F100               150 200 250 300 350
              2.29 3.54 4.79 6.04 7.29
F159                 209 250 300 350
                2.67 3.70 4.95 6.20
F210                   260 300 350
                  2.30 3.30 4.55

 

 

If you have any questions or for further information click here to contact us.

EN-Construction-sustainability-optemis-carbon-lite

Optemis™ Carbon Lite

The launch of Optemis Carbon Lite is an important step in our ongoing decarbonisation journey. It demonstrates our progress and represents a unique solution for customers in the form of a flexible, lower CO2 steel offering.

Optemis Carbon Lite is a fully certified in-setting scheme with COsavings achieved from implemented projects, verified by a 3rd party auditor, DNV, and credited to our CO2 bank.  Our continued commitment to decarbonisation means reductions in CO2 emissions can now be passed on to our customers, enabling them to achieve immediate Scope 3 emission savings.

Revenues generated from the sale of Optemis Carbon Lite declarations are used to fund additional decarbonisation projects, generating further CO2 savings to be verified by DNV and speeding up our decarbonisation efforts.

By buying Optemis Carbon Lite from Tata Steel UK we, and our customers, will be actively contributing to a reduction in atmospheric CO2.

Find out more about Optemis Carbon Lite


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EN-Construction-Product-ComFlor non-composite formwork | Design support

Design support

We maintain a friendly technical help desk which is freely available to all Consulting Engineers, and Contractors to assist with all aspects of ComFlor® composite floor design. The services we offer include:

Design calculations
To assist the specifier, the team are able to provide design calculations, generally dictated by the construction stage condition, the load and span required for service and the fire resistance required for the slab. Our team can also help with specialised design issues such as point loads, requirements for anti crack mesh, openings, etc.

Vibration
ComFlor® composite floor decks can meet the most stringent vibration applications, such as those required for National Health Service operating theatres.

Software tools
Comprehensive ComFlor® Software is free to download here. The ComFlor® Software provides quick and easy calculations for different building categories, loads, fire performance, spans, vibration, point loads and line loads. Regular updates are sent to all registered users.

To download ComFlor® 9.0.34 software for the Middle East only

A version of this software, using customary dimensions for the Middle East market, is available and can be downloaded here.

Supporting beam width
For all ComFlor® 46 load/span tables, the width of the support beam used is assumed to be 152mm.

Fire design
The capacity of the composite slab in fire may be calculated using two methods, either ‘Mesh and Deck Fire Method’ (mesh only and no trough bar reinforcement) or ‘Bar Fire Method’ (trough bottom bar reinforcement only with no contribution from the mesh and profile).

Specification service
Our ComFlor® team are able to provide a comprehensive specification guidance to ensure the correct composite floor specification goes into the contract documents.

In-house CPD seminars
Primarily aimed at Engineers and Architects, these free seminars last around 50 minutes, ending with a question & answer session and are delivered by our experienced regional teams. Topics include:

  • Composite floor decking in construction.
  • Structural roof decking in construction.
  • Steel building envelope systems for non-domestic buildings.
  • Factory tour – Insulated Panel Line at Shotton works.

To request a CPD seminar please click here.

If you have any questions or for further information click here to contact us.

EN-Construction-Book a CPD

Book a CPD

We offer a range of face to face and online CPDs aimed at Engineers and Architects

These free seminars can be booked at any time between 9am and 5pm. Our online webinars can all be delivered via Skype for Business and Teams, but we can consider other platforms if this will not work for your practice.

Below outline the CPDs we have available - Book yours today

  • Decarbonising your structural hollow section designs
  • Essentials of Structural Hollow Sections
  • Welded Joints in Tubular Steelwork - Eurocode 3 Part 1-8
  • Concrete Filled Hollow Sections - Composite Design – Eurocode 4
  • Composite Floor Deck in Construction
  • Structural Roof Deck in Construction
  • Specifying metal clad envelope systems in accordance with ADB2 of the building regulations and the value of large scale system testing
  • RIBA 2030 climate challenge: How steel building envelope solutions contribute
  • Pre-finished steel standing seam systems for roof & wall cladding
  • CDM regulations 2015 and their impact on steel building envelope specification.
  • Steel building envelope systems for non-domestic buildings
  • Steel for roof and wall cladding

Book your CPD today

RIBA Approved CPD tata steel