I’m redoing my garage roof, which has a 12” slope over 14’. I have left over SYP 2x4’s and some microlam beams, but only enough to set at 36” OC. Can I span 36” with 2x4 SYP as my decking instead of standard sheathing at a smaller span.(Ie: 24”OC)? This has to carry a 20psf snow load.