PyroLac One is a clear two pack acid catalysed lacquer which offers flame resistance to new timber substrates. It has been tested to upgrade to Class 1 Surface Spread of Flame and, when used on a Class 1 substrate, will maintain this rating. PyroLac One has been tested at Warrington Fire Research to BS 476 Part 7 Surface Spread Of Flame to Class 1. No basecoat/sealer is required. 2 coats of Pyrolac 1 is sufficient to meet requirements.
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