PENOSIL Premium SpeedFix Construction 878 is a universal foam adhesive for various construction works both indoors and outdoors. Replaces traditional fastening by compound or with screws as a simpler, faster, cleaner, quieter and cheaper solution.Use Penosil 878 to fix insulation boards on facade and foundation, to fix interior wall boards and to fix windowsills (with additional support) and construction block adhesion, download technical datasheet for instructions on how to apply and fix. Reduces the impact of thermal bridges. Shake vigorously before use. Do not use at temperatures below -5C. Cured foam needs covering to protect against UV rays.