The Dimond Hi-Span purlin range is New Zealand’s original optimised section shape. Speed of installation is assured as Hi-Span purlins and girts are supplied complete with brace channels ready for site assembly. Hi-Span purlins are available in 12 sizes from DHS 150/12 to DHS 400/20 to suit commercial applications from 5m to 18m spans. Plus Dimond Hi-Span is backed by Dimond’s reputation for quality and technical support. Our Hi-Span system delivers superior technology, speed of installation and unparalleled strength and requires a minimum of maintenance throughout the life of structure. The DHS system can utilise 2 bracing systems including traditional bolt together bracing channels that feature a unique swage-lock brace connection that allows sections to be prefabricated on the ground and lifted into place with suitable lifting beams.