Waltons 16 x 10 premier groundsman apex workshopthe waltons 16 x 10 premier groundsman apex workshop is a fantastic value garden building that has great storage capacity and excellent quality each workshop is constructed from 12mm shiplap tongue and grooved timber panels that sit on a sturdy 45mm x 27mm framing for extra durability the walls roof and doors of the 16 x 10 premier groundsman apex workshop is also clad in 12mm tongue and groove manner these wooden workshops have high ea