The waltons 6 x 4 select tongue and groove apex sheds are superbly designed garden buildings made to suit basic garden storage needs the wooden sheds are clad in 12mm shiplap tongue and groove timber which is secured to a 27mm x 32mm framing for maximum durability and longevity the floor and roof of these sheds is constructed form solid sheet materials to ensure that the garden buildings stay stable and steady for years each shed supports an apex style roof which allows you to store larger