Trex does make Transcend rail kits to accommodate a 42" final rail height. Choose between a rail kit with [square composite balusters](https://www.diyhomecenter.com/trex-transcend-rail-kit-square-balusters-42) or a rail kit with [round aluminum balusters](https://www.diyhomecenter.com/trex-transcend-rail-kit-round-balusters-42). Both options are available in Trex's three best-selling colors.