Dorset Garden Rooms 30 March 2016 Raised Grooved Deck, Broadstone Dorset Garden Rooms 30 March 2016 Here we were asked to build a raised area leading from set of bi-fold doors. Before work commenced. Showing the stair strings and joist work. For the balustrade we used a square profile spindle. The deck was classed around the outside with smooth Deckboards. A lower handrail was installed for the children.