Pemko 158 Series Fire-Rated Offset Saddle Threshold – 5-1/2″; Width, 1/2″; Height, UL 10C Certified AluminumProfessional Fire-Rated Threshold Solution for Floor Surface TransitionsThe Pemko 158 Series Offset Saddle Threshold provides a professional solution for creating smooth transitions between different floor surfaces with precise 5-1/2″; width and 1/2″; height dimensions. This fire-rated aluminum threshold accommodates a 1/4″; floor surface offset and is available in custom lengths from 24″; minimum to 185″; maximum. UL 10C positive pressure certified and ADA compliant, this threshold meets ANSI/BHMA A156.21 standards for commercial-grade reliability.Professional Features & BenefitsPrecise Offset Dimensions: 5-1/2″; width and 1/2″; height specifically designed for 1/4″; floor surface offset applications between tile and carpet surfaces.Fire-Rated Construction: UL 10C positive pressure certified and UL 4L10 listed aluminum construction ensures code compliance in fire-rated assemblies.Custom Length Capability: Available in custom cut lengths from 24″; minimum to 185″; maximum for precise fit requirements in any application.ADA Compliant Design: Meets Americans with Disabilities Act requirements and ANSI/BHMA A117.1 standards for accessible transitions.Durable Aluminum Construction: Lightweight yet durable aluminum base material at 0.93 lbs provides long-lasting performance in commercial applications.Professional Certifications: ANSI/BHMA A156.21 Thresholds certified and BHMA certified for commercial-grade reliability and code compliance.Standard Fastening System: Includes WS #10 x 1.5″; wood screws standard with other fastener options available for various substrate requirements.Manufacturer Warranty: 5 Year warranty coverage for added confidence and protection in commercial installations.Technical SpecificationsANSI/BHMA: BHMA Certified, Fire Rated UL10C Positive Pressure, cUL Listed 4L10Commercial/Residential: CommercialDepartment: Door HardwareHang Type: Offset HungProduct Category: Door Trim and AccessoriesProduct Dimension: W: 5-1/2″, H: 1/2″;Product Group: Door Trim and AccessoriesProduct Model: 158Product Subgroup: Door ThresholdsProduct Substrate: AluminumProduct Type: Commercial ThresholdsSubcategory: ThresholdsWarranty: 5 YearProfessional ApplicationsCommercial Office BuildingsEducational FacilitiesHealthcare InstitutionsRetail EstablishmentsIndustrial and Warehouse FacilitiesMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsWhy Choose Pemko Quality?Pemko 158 Series thresholds deliver professional-grade reliability with fire-rated aluminum construction certified to UL 10C positive pressure standards and ADA compliance requirements. The 5 Year warranty coverage and BHMA certification ensure dependable performance in demanding commercial applications. Engineered for precise floor surface transitions where code compliance and accessibility standards are essential.