FAQs

Q. Why is it important to know where a column will be installed and what lantern and attachments will be added?
A. It is important to ensure the correct steel grade, design and dimensions are considered pre manufacture

Q. Why does, on occasions, the galvanising appear to be dark or marbled?
A. This can occur as a reaction to steel Types within the galvanizing process, but it does not effect the quality of the product

Q. Does the column require painting following galvanizing?
A. No, however many do opt to paint to provide an aesthetic finish and to provide a further barrier to corrosion.  The best proven anti corrosion system is to apply a Cross Linked Co Polymer Thermoplastic System to the root or full column

Q. What is a swage?
A. This is the mechanical process which reduces the base section in diameter and at which point the shaft section is inserted and welded

Q. Should columns move or sway in the wind?
A. The design process will allow a degree of movement. However excessive motion can cause failure through over fatigue

Q. Brackets or post top, which is best?
A. Either is suitable and subject normally to the lighting design requirements.  Post top removes the cost of the bracket and generally a more substantial column

Q. Why aluminium and not steel?
A. Aluminium can be selected for particular aesthetic reasons or where there are access and weight restrictions.  Aluminium is also suitable where a passively safe product is required

Q. Will an aluminium column last longer than steel?
A. Not necessarily. A steel column correctly designed, installed and treated with a suitable anti-corrosion system, for example Thermoplastic, will be equal or better.  Aluminium columns installed without suitable root protection will corrode very quickly.

Q. What size of door opening is best?
A. Minimum should be 500x100 mm, however 600x115 mm being a common Option.