The Athmer door drop seal Schall-Ex® L-15/30 WS 1-880 is a highly advanced solution for sound and smoke insulation for doors. It is specifically designed for use on fire-resistant and sound-insulating doors and meets the requirements of ÖNORM B 3850, DIN 4102, as well as ÖNORM B 3851 and DIN 18095. With a robust internal mechanism and a clip-on sliding trigger, this seal allows for easy and tool-free installation. The seal offers impressive sound insulation values of up to 52 dB with a floor clearance of 7 mm and is suitable for floor gaps of up to 20 mm. Height adjustment and angle compensation ensure optimal adaptation to various door situations. The anodized aluminum housing not only gives the seal an appealing look but also ensures high durability.

• Excellent sound insulation values of up to 52 dB at 7 mm floor clearance
• Easy tool-free adjustment of the seal
• Robust internal mechanism with parallel release
• Suitable for fire-resistant and smoke protection doors
• Can be shortened to 635 mm for flexible applications.