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), Braced doors that can be hinged either side, 6 Styrene Glazed windows, Full Fixing Kit Including Felt, PENT Roof Design, Lock and Key + Turn Button, Security Bar Features: 12 x 4 (3.53m x 1.15m) Wooden Tongue and Groove Security Garden PENT Shed (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), Braced doors that can be hinged either side 6 Styrene Glazed windows Full Fixing Kit Including Felt, PENT Roof Design, Grey Min