Pemko R1OS_ Threshold Assembly Offset Application (7" Top Plate) Ratings Barrier-Free BHMA Certified Fire Rated - UL10C - Positive Pressure Finishes R1OSA: A - Mill Finish Aluminum Aluminum R1OSAK: K - PemKote Skid Resistant Surfacing Aluminum Downloads Category Specification (.pdf) Pemko R1OS_ Cut Sheet (.pdf) Pemko R1OS_ Line Drawing Autocad (.dwg) Pemko R1OS_ Line Drawing Autocad (.dxf) Close Interested in this product? Contact us to order Related products R1.5OS_ R1OSMR_ R1.25OSMR_