On 09/12/2017 08:44 PM, Jess123 wrote:
I am buying a steel shed , it has insulation(kingspan) on the inside .. if I
apply treated plywood as the base would I still get condensation ? The shed is
only 7ftx8ft. Please help


Today's pressure treated lumber and steel don't mix.

http://www.ggashi.com/wordpress/wp-c...-Corrosion.pdf