Everbuild lumberjack 550 floor adhesive everbuild ljack5503 lumberjack 550 is a high specification hybrid polymer cartridge or foil pack applied adhesive specially designed for fixing all types of wooden floors directly onto all common substrates lumberjack 550 has the following key benefits 100 active solvent and water free will not cause warpage of wood rapid setting permanently flexible suitable for use with underfloor heating excellent acoustic properties everbuild ljack5503 lum