Inspection hatches for installation in F90 (EI 90) fire protection suspended ceilings. For all panel thicknesses from 40 to 43 mm, consisting of an anodized aluminum frame with a swing-out and completely removable inner cover, screwed Knauf GKF or Fireboard panels, a seal and a self-activating safety catch. Incl. cover. Additional equipment/special designs: Intermediate dimensions, multi-part design, air/dust tightness (class 3, DIN EN 1026 + 12207, suction and pressure), smoke tightness in accordance with DIN 18095-2, square locking, round cylinder lock, lock prepared for profile cylinder. Additional equipment/special designs: Intermediate dimensions, multi-part design, air/dust tightness (class 3, DIN EN 1026 + 12207, suction and pressure), smoke tightness according to DIN 18095-2 • square locking, round cylinder lock, lock prepared for profile cylinder. User benefits: - flush, unobtrusive even in grazing light - narrow gap, visually appealing - stable and high-quality design for long-term functionality even when opened frequently - removable cover for convenient access to installations - protective caps on screws for injury-free access to the wall cavity - spare parts available for a very long time - uncomplicated coating with paint, wallpaper or tiles Planner benefits: - Safety: tested and approved system components - simple documentation: evidence via Knauf Direkt always up-to-date and available - small opening path and low installation depth in the cavity ideal when space is limited - high-quality rubber lip seal, tested air-, smoke- and dust-tight - support from Knauf at any time for technical questions

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