Pemko RAMP13_ Riser Component Ratings BHMA Certified Fire Rated - UL10C - Positive Pressure Underwriters Laboratory 4L10 Finishes RAMP13A: A - Mill Finish Aluminum Aluminum RAMP13AK: K - PemKote Skid Resistant Surfacing Aluminum Downloads Category Specification (.pdf) Pemko RAMP13_ Cut Sheet (.pdf) Pemko RAMP13_ Line Drawing Autocad (.dwg) Pemko RAMP13_ Line Drawing Autocad (.dxf) Close Interested in this product? Contact us to order Related products RAMP9_ RAMP4_ RAMP1_