Description: Gutex Multiplex-Top is a rain-tight sarking board with single-ply construction, homogenous cross-section and paraffin impregnation.
Application: in above rafter constructions as sarking or wall insulation over Gutex Thermosafe-homogen, All Gutex Multiplex-Top boards, except those that are 18 mm thick, are suitable for installation directly over rafters, 18 mm Gutex Multiplex-top boards are only suitable for use with above-rafter insulation.
Joint: tongue & groove.
Insulation properties: nominal thermal conductivity λD (W/mK) 0,044.
Fire reaction: rating as per EN 13501-1 (European Classification) E.