The 8 x 6 Mercia Woodsman Apex Polycarbonate Greenhouse offers thermally insulated glazing, flexible door positioning, and a 15-year anti-rot guarantee. Core features include:. *1 Opening Roof Window *Strong 12mm Shiplap Cladding *Industry-leading 2 x 2 Framing *Thermally Insulated Polycarbonate Glazing *Fully Customisable - position doors to suit *15Year Anti Rot Guarantee *Professional Home Installation Available