If there is no rot or soft spots with the T1-11 I'm not sure why you would need to replace it. All T1-11 I have installed is 5/8", (and I have always used Fir, not SYP). The OSB most people use for wall sheathing is 7/16". Did that contractor state what thickness of OSB he intends on using? That...
Thanks for all the input guys. Was able to cut the tracks and make them work. Was able to re-use the existing door openers. Just have some misc. framing to finish up now.
FYI. I didn't bother showing the rest of the mods. 5.25x14 LVL ridge beam with a layered 2x10 and 3/4" plywood gusset at the ridge, built up end posts, additional support added at the top plate of the exterior wall. I had this engineered. Been a contactor for 40 years.
I am modifying my garage ceiling so I can install a four post storage lift. I need a garage door track that will follow the slope of my rafters to clear the lift and car. I have seen pics of these systems but am not sure what they are called. If any one could post a link to a site that would...