TriRoof BPO Hardener is suitable for use with the TriRoof MultiFlex Primer and Topcoat. The BPO is red in colour which makes it easier to know when the product has been fully mixed.
The BPO should be mixed until no red streaks appear. 
13 x 50g tubes are required to use with 1 x 20kg TriRoof MultiFlex Topcoat and 1 x TriRoof MultiFlex Primer at 2% addition. This will cover approximately 10 square metres.