KLIP-LOK® 406 is a strong, durable, versatile, long spanning, concealed-fix roof and wall cladding with exceptional waterproofing characteristics. Smart fluted pans and a lock-action rib design enables use on low pitched roofs. KLIP-LOK® 406 is available in long lengths, therefore on most jobs you can have one sheet from ridge to gutter without end-laps. Long, straight lengths of KLIP-LOK® 406 can be laid in place and easily aligned because fixing with our clips is simple and fast. The smaller number of clips for a given area provides extra economy