ABH 1000 Series Heavy-Duty Concealed Mount Overhead Door Stop with Fire RatingProfessional Concealed Mount Door Control SolutionThe ABH 1000 Series Concealed Mount Overhead Stop delivers heavy-duty door control for high-traffic commercial applications. This professional-grade door stop accommodates doors with 1-3/4″ minimum thickness and provides standard installation from 85 to 110 of opening in 5 increments. UL Listed as Miscellaneous Fire Door Accessories for use on wood fire doors rated up to 90 minutes and metal fire doors rated up to 3 hours, ensuring code compliance for critical applications.Professional Features & BenefitsDoor Thickness Compatibility: Designed for 1-3/4″ minimum door thickness for versatile installation on standard commercial doors.Adjustable Opening Range: Standard installation from 85 to 110 of opening in 5 increments allows precise positioning for specific application requirements.Shock Absorbing Design: Built-in spring provides 3 to 5 cushion before dead-stop for smooth operation and reduced door stress.Heavy-Duty Construction: Engineered for frequent traffic and heavy weight doors with robust concealed mount design for long-term reliability.Fire Door Compatibility: UL Listed for use on wood fire doors rated up to 90 minutes and metal fire doors rated up to 3 hours (Stop Function Only).Universal Application: Non-handed design works with single or double acting doors for interior or exterior use.Concealed Installation: Concealed mount design provides clean appearance while maintaining full functionality.BAA Qualified: Meets Buy American Act requirements for government and institutional projects.Technical SpecificationsBAA Qualified: YesCommercial/Residential: CommercialDepartment: Door HardwareKeyed: N/AKeyed Function: N/AProduct Category: Door ControlsProduct Group: Door ControlsProduct Model: 1000S2Product Subgroup: Overhead Stops and HoldersProduct Type: Overhead Stops and Holders – Concealed MountSeries: 1000 SeriesSubcategory: Door Stops & HoldersProfessional ApplicationsCommercial Office BuildingsEducational FacilitiesHealthcare InstitutionsGovernment and Municipal BuildingsIndustrial and Warehouse FacilitiesFire-Rated Door ApplicationsHigh-Traffic Entrance SystemsWhy Choose ABH Quality?ABH 1000 Series door stops deliver professional-grade reliability with heavy-duty construction engineered for frequent traffic and heavy weight doors. UL Listed for fire door applications up to 3 hours on metal doors and 90 minutes on wood doors, with BAA qualification for government projects. Engineered for demanding commercial applications where dependable door control and code compliance are essential.