A one-pack clear Barriercoat designed to isolate timber Extractives. This is recommended to avoid potential discoloration, particularly with acid sensitive timbers and fruitwoods such as maple, cherry and ash.xerofire® Intumescent fire-retardant system from Morrells is a class-leading Intumescent system, providing a high quality, furniture grade finish with EN Euro Classification B-s1,d0, the best possible Euro reaction to fire performance rating for a Sytem of this type.