Home Improvement Questions? Ask a Handyman for Answers
Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.
The thickness of the roof deck sheathing is not specified in the 2015 IBC for asphaplt shingles.
1507.2.1 states (only)Asphalt shingles shall be fastened to solidly sheathed decks.The requirement may vary for other roofing materials.
Standard good pratice is 5/8" plywood or OSB.