Floor Graduation Testing Tools Straight Edge and Measuring Wedge

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Floor Calibration Measurement Tools

Accurately checking a floor to ensure that it is perfectly flat (surface regularity) can be carried out with the tools on this page. 

Choose from our 2 metre (code: 26550)  or a 3 metre (code: 26555) straight edge tools which are raised off the ground by blocks to create a void. The next piece of equipment on this page you will require is the Measuring Wedge (Code: 26570) which is use to measure the height of any found deflections, this graduated measuring wedge is marked every 2.5mm and measures a range up to 12.5mm high.

This method of testing is described in both BS8204-Part 1:2003 and BS8204-Part 2:2003. A 2m straight edge is used in both specifications.

These tools are usually but not always specified on mezzanine decks or retail units where tiling is to be received.

Please be aware that these tools are all sold seperately on this page.

26550

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26555

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26570

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straight edge and graduated wedge

Ensuring a surface is even and smooth once concrete finishing is completed is a vital task for construction professionals eager to leave an accurate and neat job.

These straight edges are excellent for measuring the lateral regularity of a road or floor and can be used with aluminium wedge blocks, which allow the user to determine how accurate the work is on the vertical plain as well. The Metric Calibrated Measurment Wedge is then used to take the measurment, please purchase this tool seperately available on this page above.

The 3m straightedge was superseded by a new 2m straight edge and is the method is adopted in the current BS 8204, BS EN 13670 execution of concrete structures, the National Structural Concrete Specification and National Building Specification. Both straightedges are offered to contractors working to both the old and new specifications.

It should be noted that both of the British standards state that ‘Where the straight edge basis for specification is used it is advisable for the various interested parties in a contract to agree the sampling rate for testing the floor to check conformity, and the procedures to adopt if conformity is not achieved, before the floor is constructed. Such agreement should include the number of positions where the straight edge will be placed to check conformity’.

The wedge blocks which are fitted to either end of the product supports the item as well as providing a set height between the surface and the beam.

It is easy to check for irregularities with this item, as it provides the operator with a visual indicator of the evenness of any slab.

Optional 2.5 mm incremented wedges are available, which offer a range of 12.5 mm low to 12.5 mm high.

Specifications

  • Size 25 x 76 x 3000mm weight 3.54kg
  • 2m/3m lightweight aluminium straight edge with carrying loops
  • Optional calibrated metric graduated measuring wedges marked every 2.5mm available
  • Measuring range 12.5mm low to 12.5mm high

 

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straight edge
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How many millimetres from the floor to beam?

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