Air/dust-tight inspection hatch (air and dust-tight class 3, DIN EN 1026 + 12207, suction and pressure) for installation in walls, ceilings and facings with high-quality seal against dirt and dust marks. For 12.5 mm panel thickness and with spacer strips for 10 mm Knauf Thermoboard. Consists of an anodized aluminum frame with a swing-out and completely removable inner cover, a diamond plate that can be glued or screwed flush, and a self-activating safety catch. Installation advantages: - stable frame for easy installation - quick and easy to install - for walls and ceilings - cover can be completely removed for filling and coating work - with screw protective caps for injury-free installation - can be retrofitted 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 - 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 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 airtight and dust-tight - support from Knauf at any time for technical questions

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