3840 is the PROTEKTOR wallpaper edging profile is suitable for all thick wallpapers such as glass fibre or textured wallpapers and wall coating materials. The profile enables precise outer edges, protects the wallpaper from damage and withstands even heavy loads. Thanks to the predetermined breaking point on one side of the profile leg, the profile can be used as a wallpaper edge finish. Damaged or uneven edges are covered, making it easier to apply wallpaper to critical edges. The edge profile is glued on with a suitable mounting adhesive in accordance with the manufacturer's instructions and the transition to the wall is levelled with filler.
Further info from manufacturer on 3776 / 3778 Protektor