The decision has already been made to install the plywood sheathing. I agree 100% with your comment "ExcelEngineering". There is no use in taking the risk.
First - Thank you both for your insight. Very helpful.
To: msquared48
I still need to calculate the resisting load. I am trying to avoid projecting an extra cost to the contractor/owner if it isn't necessary to install ply. in conjunction with the t&g. I would love to just use the t&g...
Hello All,
I am working on a residential single family home. The owner would like to replace typical ply. porch ceiling sheathing with tongue & groove. Can the t&g replace the ply. sheathing and still act as the diaphragm? Is it a requirement to install ply. above the t&g in order to have a...