An Interesting Approach To Dry Wet Subfloors Managing Repair And Substitute Prices The greater the space between joists, the thicker the plywood and OSB have to be. Fasteners should be correctly positioned (based on producers’ specs) so they don't protrude. Subfloors must be freed from contaminants such as paint, http://composite-tongue-and-groo33465.livebloggs.com/1991354/topics-for-consideration-with-valuable-tactics-of-sydney-sub-floor-ventilation