more decorative than the felt or superfelt, our shingles come in red, green or black (our hexagonal shingles are black) these are 3mm thick and give you . treated pine double roof octagon gazebos. wood single roof victory (hexagon) pavilions. as mentioned there are other ways of doing octagonal roofs, especially if you don\u0027t like it when the roofs look as layered as they do in . mediterranean house plan - rosabella 11-137 - rear elevation . the erne (27m x 27m hexagonal summerhouse) this six sided summerhouse is an. fareham .