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Column Tie

The ACS column tie eliminates the time consuming traditional process of site drilling and bolting frame cramps when fixing masonry to steelwork. It allows for variations in coursing and use on a range of steel columns.

The column flange must enter the notch in the tie not less than 10mm. It is important to not force the tie on to the flange. The tie will provide restraint between the inner and outer leaves of masonry cavity walls.

Image of a Column Tie

It is advisable to apply bitumen paint to the area where the column and the tie make contact. This will avoid the likelihood of any corrosion on the column due to the contact of two dissimilar materials.

The ACS column tie exceeds the requirements of a Type 2 tie to DD140.

The ACS column tie eliminates the process of site drilling and bolting otherwise associated with the installation of 3000 range frame cramps to structural columns. The column tie is available in Austenitic stainless steel grades 304 (BS EN 1.4301) and 316 (BS EN 1.4401) and exceeds the requirements of a Type 2 wall tie according to BS EN 845-1.
The column tie is supplied as a 150mm length as standard, the size of the notch in the tie is determined by the column flange thickness, please use the table (right) to specify the correct tie.

 Column Flange Thickness ACS Reference
 9 – 11mm  CT/A
 11 – 13mm  CT/B
 13 – 17mm  CT/C
 17 – 21mm  CT/D

Installation & Best Practice

Below is a typical plan view of a cavity wall with ACS column ties installed, the column tie can be used to restrain the inner or outer leaf of masonry to the flanges of the structural column and should be installed at 225mm vertical centres. The inner and outer leaf of masonry can then be tied together using suitable cavity wall ties. When installing the ACS column tie ensure the tie is engaged at least 10mm into the column flange.

Click to download the PDF data sheet

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ACS Stainless Steel Fixings are one of the largest and well established manufacturers of Structural Building Components in Europe.

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