For your project choose the quality: Stars 1131s.
The first heavy duty concealed hinge, adjustable in 3D, engineered and entirely manufactured in Italy has been ultra-tested to resist until 120 minutes in any situation according to different regulations, receiving the approval from the following laboratories:
EN 1634-1 120’ Applus
EN 1634-1 120' Csi
EN 1634-2 30’ Lapi
BS 476 120’ Exova
UL 10c 120’ Underwriters laboratories
Available in 10 remarkable finishes, 1131s elegantly hides itself between the frame and the door panel making possible the creation of magnificent settings where the door becomes a primary furnishing element.
The 1131s combine aesthetics with the functionality of the 3D adjustments, with the practicality of being congruous for door closers usage*, and to the safety of being suitable to be installed on fire rated wooden doors EI120.