Porotherm 25 N+F Profi

25 cm ground ceramic block for non-load-bearing exterior or interior walls, laid with thin joints. Precision-ground faces and tongue-and-groove joints give accurate alignment and an even surface for finishes. Compatible with Dryfix adhesive for fast work even at low temperatures. Ceramic brick naturally regulates indoor humidity, offers good thermal mass, is non-combustible (class A1) and provides adequate sound insulation.