TH® C Purlin is made from Hi-tensile galvanised steel, which is equivalent to strong steel. It is at least 10 times stronger than wood and more than double the tensile strength of carbon steel. Comparatively, it is stronger as high tensile steel is used in highway guardrails to withstand the huge impact of a speeding vehicle. Despite its strength, TH C-purlin material is also lighter compared to carbon steel. This is beneficial as it enables faster and easier installation work for builders. Light weight high tensile TH C Purlin also helps to reduce the roofing load on a building structure.