How thick is your steel – BMT and TCT

Posted on : October 1, 2010

Make Sure You Know What Cladding Is Being Used And The Thickness Of The Steel

Make sure that any quotes you receive either state BMT or TCT so you’ll know exactly how thick the steel is.

Thicker cladding results in a stronger shed as there is more steel will be more expensive.  Ensure that when comparing quotes that the cladding you compare is of equal thickness.

Here’s some jargon to help you better understand your shed quotes.

  • BMT stands for Base Metal Thickness and is how thick the steel is before it is painted.
  • TCT stands for Total Coated Thickness and is how thick the steel is after it is painted.

It’s important to remember that the coating of Colorbond paint on your shed measures 0.05mm in thickness.

The cladding type can also make a big difference to the thickness of the steel

  • Multiclad – 0.35mm BMT.
  • Trimdeck and Corrugated should be 0.42 BMT.

Be aware of being quoted 0.47, as this is the thickness of the steel with paint and is not stronger.  This is a nifty little trick to knock dollars off the shed quote, however you do get an inferior shed that is harder to put together (try putting up a shed without being able to walk on the roof!).

This discrepancy alone can make hundreds of dollars difference in the quote.  So make sure that any quotes you receive either state BMT or TCT so you’ll know exactly how thick the steel is.

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