Elite material handling co offers a range of material handling products for warehousing applications. Design highlights of dock seals: standard base projection - 10"; standard base fabric - 22 oz vinyl; roll formed, galvanized steel side and head pad backing; unit projection should not exceed twice the size of side pad backing; 114" minimum unit width recommended; 93" clear opening recommended for cold storage applications - increase unit width by 3"; and increase "standard" unit height by 6" when 14` trucks are present [western states].