DescriptionSiero Lam is a family business from Argüelles (Asturias) with over 80 years of history, now in its fourth generation, specialising in chestnut wood from its own forests. It describes itself as a European leader in the manufacture and marketing of chestnut, covering both primary and secondary processing: solid beams and joists, profiles and laminated beams, boards, flooring, decking and reconstructed pieces, as well as pellets and firewood. It covers the whole process, from forest to project.