The waltons 10 x 10 premier groundsman apex workshops is one of our top quality garden buildings that we are very proud of these buildings are offered at superb price and great quality which makes them worth every penny the premier groundsman workshop is built from 12mm shiplap tongue and groove cladding that is secured to a 45mm x 27mm framing for additional support and strength the walls roof and floor of every shed in this range is also constructed with 12mm tongue and groove cladding