Air/dust/smoke-tight inspection hatch (air and dust-tight class 4, DIN EN 1026 + 12207, suction and pressure, smoke-tight in accordance with DIN 18095) for installation in walls (assembly walls, facings and solid walls) and suspended ceilings. For paneling thicknesses 12.5, 18, 25 and 30 mm, consisting of: anodized aluminum frame with swing-out and completely removable inner cover, flush-mounted Knauf Diamant plate, seal and safety catch. Installation advantages: - stable frame for easy installation - quick and easy to install - for walls, ceilings and facings - cover can be completely removed for filling and coating work - with screw protective caps for injury-free installation - can be used later User advantages: - flush, inconspicuous even in grazing light - narrow gap, visually appealing - stable and high-quality design for long-term functionality even when opened frequently - cover can be removed 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 advantages: - Safety: tested and approved system components - simple documentation: evidence via Knauf Direkt is 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-, dust- and smoke-tight - support from Knauf at any time for technical questions

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