TOPAKUSTIK® type Aria 12/4, 28/4 M - data sheet TOPAKUSTIK® type Aria 28/4, 12/4 M - „quiet“ design The type TOPAKUSTIK® - Aria 12/4 and 28/4 in spruce solid wood provides the ceiling with a quiet surface with the fine grooves and the black background. The black MDF-panel on the back of the groove provides an interesting depth effect. Topakustik®- type Aria The perforation is barely visible thanks to the deep grooving and the black MDF board on the back. The grooves create the effect of individual bars. If designed with a top layer made of solid spruce wood, the product can be graded as no added formaldehyde. absorption values stock items Planks 12/4 M-15 % in stock Spruce Hardwood Fire category core panel: DIN / CH / EN Centro Termale di Levico Terme, Veneto, IT N‘H AKUSTIK + DESIGN AG OBSEESTRASSE 11 6078 LUNGERN MWST-NR. 165 406 Further designs on request