What type boards am i required to fit down onto?

OSB 3 or Plywood.

In order for the Water Based adhesive to form a bond between the membrane and the deck, a porous timber surface is required. OSB 3 is the best option but a porous Plywood is adequate too. 

Please see the video below for a more in depth explanation: 

Did this answer your question? Thanks for the feedback There was a problem submitting your feedback. Please try again later.