David Bolton Steel Flat Bar Astragals on Hollow Metal Door Pairs: When the Opening Tells You Which Profile to Use Why the Astragal Profile Decision Gets Made at the Wrong Time This article is for contractors, facility managers, and hardware specifiers who are responsible for hollow metal door pairs in commercial,... astragals commercial door hardware door pairs hollow metal doors seals and sweeps Apr 23, 2026
David Bolton Door Bottom Shoes vs. Sweeps: Choosing the Right Assembly When the Floor Condition Changes The Problem Starts at the Floor, Not the Door This article helps contractors, facility managers, and architects understand when a door bottom shoe is the right call versus a simple sweep or automatic ... door bottoms door maintenance seals and sweeps threshold hardware weathersealing Apr 23, 2026