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Pink roofing batten.
The solution is to select diamond blue batten products which are pressure treated for increased durability stability and water resistance.
Hsg33 makes clear that the batten should meet certain minimum requirements and one of these is that.
This means they re better protected against damage than other brands of batten.
The battens are a minimum size of 50mm x 25mm and meet the grading requirements specified in bs 5534 code of practice for slating and tiling including shingles and nfrc technical bulletin 33 graded battens for slating and tiling.
Factory graded batten often coloured red this is batten which has either been mechanically or visually graded at source and is guaranteed to meet all the performance requirements of the british standard without any further time consuming grading on site by the roofing contractor.
Batts is the registered trade mark of tasman insulation.
Following this some producers have tried to short circuit that process by colouring their battens to try to make them look official but bypassing actually producing anything like a proper bs 5534 batten.
This also means less waste making it a very cost effective.
It also takes time to install battens on a roof and they can be exposed to rain during the installation.