Concealed Fire Door Closers

This type of installation is aesthetically pleasing and helps to reduce vandalism as most of the door closer is hidden from sight.

Concealed fire door closers.

Closer shall be provided with a fireblocking door liner to permit installation in 20 minute wood fire door assemblies. Dormakaba offers a wide range of door closers that provide safety and security. Recommended for use with 30 minute fire doors choose the concealed door closer that is suitable for internal doors and is available electrobrassed or nickel plated. Features broad portfolio with single point multi point and tri volt magnet offerings.

The slide track shall be concealed in the top rail of the door. Hydraulic fluid shall be non gumming and non freezing. Jamb mounted concealed door closer meeting relevant fire and accessibility requirements. Other fire door closers include the surface mounted fire door closer that can close any door up to 68kg help reduce heat loss and is available in white or black.

The door can be left open in any position and does not resist the opening of the door. However the guidance in ad b volume 1 appendix b still asks for a door closer on a fire door leading to an attached or integral garage. Dormakaba s door closers are designed to meet the functional and visual goals of any commercial building. Surface applied and concealed closers create many design options.

All concealed fire door closers are provided with fitting instructions. Fire door closers allow a fire door to open and close like any other door free of a door closer. Closers shall be concealed in a 4 102 mm high frame header. Concealed fire door closers provide the functionality of an overhead door closer but are fitted within the door leaf and frame.

Incorporate trusted lcn design elements such as the 4000 series cylinder. Hold open solutions for fire rated doors. Fire door closers are selected by closing strength which relates to the weight of the door. However if a fire alarm goes off the door will automatically close.

It can be suitable for fire doors if used in conjunction with intumescent materials. Concealed door closers remain the preferred choice of many specifiers in such situations as they are often more convenient to install and accommodate and impact much less on the aesthetics of the dwelling.