Automatic Door Sill
Quality MARSHALL Accessory
Thermal Insulation:
Smaller amount of heat loss
Sound Insulation:
Quiter environment
Vízzárás:
Excellent against rain
The principle of operation of the automatic threshold is that when closing the door, a wide rubber seal locks the gap between the door leaf and the threshold. It works automatically and does not require any intervention. This innovative product also has a beneficial effect on thermal insulation, waterproofing, and sound insulation properties.
During closing:automatically lowering seal
During opening:automatic recoiling seal
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