TOPAKUSTIK® type 28/4 M - data sheet TOPAKUSTIK® type 28/4- „quiet“ design The type TOPAKUSTIK® - 28/4 in full spruce solid wood 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. 128 mm Planks Thanks to the precise tongue and groove connection, planks result in an attractive surface with a joint-free appearance, because the connecting joint matches the dimension of the grooves. The planks permit simple and flexible assembly. They can be installed by stapling to a timber batten or clamping to a T-bar with TOPAKUSTIK® clips. Fire Category A2 (CH 6q.3) Paint 16 mm Wood veneer custom lengths are also available sound absorption values 300 - 1200 mm Graphics: Sound absorption in suspension height 215 mm and 55 mm. 0.4 Panels are used for removable or fixed ceilings and walls with visible joints. Panels can be provided with a number of different edges and are also suited for cabinet fronts and room dividers. ideal = means optimal use of MDF core - custom lengths are also available 2040 x 992 / 640 N‘H AKUSTIK + DESIGN AG OBSEESTRASSE 11 6078 LUNGERN MWST-NR. 165 406