| Stramit Home Search Stramit Stramit® Exacta Stramit Exacta-Z® Purlins are dimensionally optimised to suit the most commonly used spans, providing capacity improvements of up to 18%. Stramit Exacta-Z Purlins come in sizes of 150 and 200 and are superficially similar to standard Stramit® Z-Purlins. The difference is in the dimensions that have, for Stramit Exacta-Z Purlins, been performance optimised for the most commonly used spans. This simple change, enabled by Stramit's state-.. |