I ran the numbers on the tools; looks good.
Quote:
Originally Posted by Deflecto
Thank you for using the John Bridge Forums DeflectOLator :)
For joists that are SYP or Douglas Fir, in good condition, 9 inches tall, 3 inches wide, 16 inches on center, and 12 feet long between supports, the deflection calculated is 0.138 inches.
This translates to a deflection of L / 1043.
Since the maximum deflection for tile is L / 360, and for natural stone is L / 720, your floor is rated for Ceramic tile or Natural stone, Congratulations!

Those results aline with my calculations too.