Pemko 228_ Floor Plate/Safety Tread Ratings Barrier-Free BHMA Certified Fire Rated - UL10C - Positive Pressure Underwriters Laboratory 4L10 Finishes 228A: A - Mill Finish Aluminum Aluminum 228D: D - Dark Bronze Anodized Aluminum 228G: G - Gold Anodized Aluminum Downloads Category Specification (.pdf) Pemko 228_ Cut Sheet (.pdf) Pemko 228_ Installation Instructions (.pdf) Pemko 228_ Line Drawing Autocad (.dwg) Pemko 228_ Line Drawing Autocad (.dxf) Close Interested in this product? Contact us to order Related products Pemko 193_ Pemko 200_ Pemko 196_