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IsoStone threshold for timber applications

The BUVA IsoStone® series of thresholds for wooden frames is composed of glass-reinforced plastic (GRP). The profile is mainly made of glass and has a textured surface due to a black UV-resistant coating.

IsoStone threshold for pvc applications

Especially for the pvc market, BUVA has developed nine strong, insulating thresholds made of lightweight fibreglass-reinforced composite. This provides a perfectly fitting threshold for all profile combinations.