This building is manufactured using OSB except for the door and the door panel which is made from Tongue & Groove Shiplap. The Budget Apex comes without windows. Free delivery & installation in post code areas BB,BL,CH,CW,L,M,OL,PR,WA,WN. £30.00 extra delivery & installation in post code areas BD,FY,HX,LS,SK. Price on application for post code areas CA,DE,HD,HG,LL,S,ST,SY,TF,WF.