when are overlapping astragals required

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Use the 575-2 strike with 9975 device on a pair of 1 3/4" thick doors with overlapping astragal mounting on the exterior of the active door. The strike lip has been cut off to eliminate any interfe...
Astragal must be applied to pull side of active leaf, since placing the stragal on the inside of the inactive leaf will interfere with the active door closing.
Astragal
Astragals are required on: 3 hour fire rated pairs: Double doors - swinging in the same direction Double Egress - swinging in opposite directions Fire rated Dutch Doors Fire rated 1 3/4" t...
All 3 hour fire rated pairs of doors do require an astragal when used without a removable hardware mullion. Pairs of doors with removable hardware mullions are treated and listed as 2 single doors...
Z-Astragal, Flat Plate Astragal, Two Piece Astragal, 2 Piece Astragal, Overlapping Astragal, Split Astragal, Integral Astragal, Mortised Astragal
An Astragal is an applied molding attached most commonly to the meeting edge of doors to: Protection against weather conditions Minimize the passage of light between the doors Retard the passa...
When factory installed on GrainTech® doors: Finish Stain - YES, top caps, bottom caps and astragals are stained (prior to attachment) to match the GrainTech® door finish. GrainTech® Steel - NO, t...