Trappe Knauf Star Étanche

Finish	plaque de plâtre hydro vissée + joint d'étanchéité
Nominal	400 x 400 mm
Material	aluminium
Bbc suitable	oui
Opening type	pousser lâcher
Frame material	aluminium
Panel material	plaque de plâtre hydrofugée
Sealing gasket	oui
Sound insulation	Dn,e,w (C;Ctr) = 38(0;0) dB
Acoustic test ref	CSTB n° AC17-26065067
Chevetre required	non
Lock type options	clé 4 pans ou barillet
Overall dimension mm	445 x 445
Passage dimension mm	388 x 388
Custom sizes available	oui
Reservation dimension mm	395 x 395
Plasterboard thickness mm	12.5
Air pressure resistance pa	600

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Technical specifications