By The Denver Egotist / /
Sioo:x Wood Protection gives outdoor wood surfaces a beautiful, natural silver-grey hue and keeps them protected for twelve years. But twelve years’ worth of protection sounds almost too good to be true. Their mission was to prove the statement true. So they created a billboard made from real Sioo:x-treated boards and booked a triple-sided billboard for twelve years in Malmö, Sweden to put it to the test where everyone could see.