David Bolton Picking the Right Astragal for a Non-Rated Door Pair: What the Opening Actually Demands What This Article Covers -- and Who It Helps When two door leaves meet at the center of an opening without a center mullion, something has to close that gap. On a non-fire-rated pair, you have more fl... astragals commercial door hardware door pairs meeting stile seals weatherstripping Oct 20, 2026 Our Blog
