The slimmer of the two options, which has a 57 mm frame, is especially suitable for use in renovation projects; it offers a lower overall frame cost but without impacting on excellent levels of sound insulation (up to 46 dB). A completely flat threshold is designed to eliminate the possibility of accidents, while still allowing the door to deliver watertightness to 300 Pa and wind resistance to Class C3. The deeper 90 mm option caters for even greater weather performance as it delivers watertightness to 600 Pa while maintaining the aesthetics and sound insulation of the 57 mm system.
Both versions offer a very slim central mullion width of 31 mm and can accommodate glass widths ranging from 36 mm to 49.6 mm. A choice of two locking options, one in the centre and one on the side, ensure that this new system offers maximum design flexibility and a high level of security.
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