HotBloc®

Firth HotBloc® provides all the structural benefits of a normal masonry block with the added advantage of built-in insulation. Building with HotBloc® removes the need for additional insulation - providing the added design flexibility of a solid plastered finish both inside and out.

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Clause H1 in the Building Code

Clause H1 in the Building Code

Firth HotBloc® is the easy solution to Clause H1 in the Building Code: 

  • Firth 25 Series HotBloc® can be used in all seismic zones when used with schedule method under Clause H1 of the Building Code
  • Firth 20 Series HotBloc® can be used when designed and used with the calculation method under Clause H1 of the Building Code

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