INSTALLED - The Horsforth tongue and groove range are manufactured from quality 12mm tongue and groove timber throughout, the 28mm x 44mmm rounded framing braces the panels creating an extremely robust and durable shed. The Horsforth range offers quality tongue and groove products with fast delivery at competitive prices. Construction Points: 28mm x 44mmm Framing, 12mm Tongue and Groove Floor and Roof, Interchangeable Window panel (can be placed either side), Interchangeable Door Panel (Please see images for reference), Braced doors that can be hinged either side, 6 Styrene Glazed windows, Full Fixing Kit Including Felt, APEX Roof Design, Lock and Key, Green Mineral Felt Features: 12 x 4 (3.53m x 1.15m) Wooden Tongue and Groove Garden APEX Shed - Single Door (12mm T&G Floor and Roof) (12ft x 4ft) (12x4) 28mm x 44mm Framing, 12mm Tongue and Groove Floor and Roof Interchangeable Window panel ( Can Be Placed Either Side), Interchangeable Door Panel (Please See Images For Reference), Brace