James Hardie 305844 HardieDeck Edge Cap - Fascia Edge Cap
Product code: 305844
Used around the outside of a HardieDeck deck. It secures the outer most edge of the board to the frame. It also hides the machined groove on the long edges of the standard HardieDeck board.
Fascia edge caps have an extra piece of black aluminium that’s visible when viewing the deck from the side.