20x10 19mm t&g pressure treated cladding 7ft double door opening window

20x10 Apex 7ft double doors , Heavy duty 19mm t&g tanalised pressure treated cladding, 13mm kiln dried roof cladding , 3"x2" cls tanalised framework, roof joists with truss, 1" thick tanalised planking floor sitting on 3"x2" tanalised floor bearers, 4mm toughened safety glass, 40kg heavy duty felt ***Optional extras breathable membrane walls , roof , doors, EPDM rubber roof ***  Can be bespoke built to customers requirements