Was it more or less than you thought it would be?? We have @chuck.cassady to thank for our subfloor, I donāt even know what we did before š¤£ Hereās the lineup: Chassis saver painted on our bare metal, one gallon gave us two coats on our 5 window bus Foamular 2inch foam board insulation (4 boards total) OSB Avantech tongue and groove (3 boards total) Loctite PL 3x (6 tubes) Kilz Mold & Mildew paint (1 gallon and we have leftover for other wood in the bus) Next up, for real this time, the gaping hole in our roof! #skoolie #skooliebuild #diy #diybuild #vanconversion #busconversion #subfloor