12x8 reverse pent 19mm t&g pressure treated tanalised cladding

   Specifications of shed materials. 19mm t&g pressure treated tanalised cladding.
Tanalised 61mm x 38mm (3’x2′) cls framework, tanalised 61mm x 38mm (3’x2′) cls floor bearers, 
tanalised  (3'x2') cls roof Joists, 
Tanalised 23mm (1 inch) planking floor boards, 
13mm t&g kiln dried  roof cladding  (No chipboard/ plyboard or OSB used in our sheds/ buildings at all.) Sheds/buildings made to customer spec