User Summary: Slate Roof is part of the City Builder System. Slate Roof is made of "Dwarvenite" and has some metal and magnetic parts. Slate Roof was initially available as Add-On item during the City Builder System Kickstarter. The item comes in both painted and unpainted versions. Slate Roof comes with these 9 pieces: (1) Assassin's Perch (2) Chimney, Stout (2) Door, City, Stone Wall (1) Gable, Slate (1) Roof, Slate, Full (4x4) (2) Roof, Slate, Half (2x4)