Fire Door Hinge Spacing

Because of the weight of a fire door and to prevent it warping fire doors are usually fitted with three fire door hinges.

Fire door hinge spacing. 1 16 of 931 results for fire door hinges dynasty hardware 4 x 4 mortise spring hinge with 5 8 radius corners satin nickel pack of 2 hinges 4 6 out of 5 stars 406. However manufacturers do periodically revise their hinge and strike spacing therefore the sdi strongly. 7 8 2017 9 54 05 pm. High quality fire door hinges available with next day delivery for the trade.

1 3 4 doors 4 1 2 hinges hinge location chart. When a door starts to sag and hang crooked it always does so from the top so the upper part of the doorknob side is where it will start to catch. The total hinge grade range is from 1 to 14 for doors and windows within the summary classification table of bs en 1935 2002 the above table covers the classification for door hinge range only. Various types of hinges are referenced in annex a of nfpa 80 including 5 3 and 2 knuckle hinges full mortise half mortise full surface and half surface hinges and spring hinges wide throw raised barrel and swing clear designs.

A table within nfpa 80 includes a lot of important information about hinges for fire door assemblies. This particular method allows the reswaging to be accomplished while the door remains in the opening and the hinge leaves remain on the door and frame. The relevant grades given are based on 3 hinges being fitted to the door as illustrated in figure 1 of the hinge spacing code of practice. Fire door hinges in stock at the best price online.

Reswaging hinges the following example shows how a hinge leaf can be reswaged to correct minor improper door frame clearances. Spring loaded self closing hinges and concealed perko door closers with chains might also be in evidence. Fire doors will have automatic closing devices fire door closers fitted.