Mounting A Range Hood Over Tile . Pull your ductwork through the hole in your ceiling. Look for imprinted arrows or instructions on the filter. How To Handle Gap When Installing Range Hood Duct Over Tile Backsplash from www.diychatroom.com After it was all said and done i left it to dry in the garage over night. Repeat this process with the white wires. Using threads against the tile may damage the tile.