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How to repair exposed tongue and groove roof deck

I have cathedral ceilings in my old mid century modern split level. I'm preparing to replace the roof and need to replace a few of the approximate 2 x 6 x 10 tongue and groove boards that make up the roof deck, which are exposed beneath into the living space below, and which rest on top of large Glu lam beams. . The fact that the underside is exposed below, and the fact that this is a structural element which provides significant strength in my hurricane climate, means removing a tongue or lower part of the groove would,  at a minimum, be aesthetically wrong and could possibly create structural problems during a storm.

The only method i can think of for preserving all tongue and groove elements would seem to he removing at least two boards side by side so that temporarily buckling them from above would get old and new wedged back into proper place. 


Does anyone know a better way?


also the t&g boards are a  non standard width and I need to mill the replacements myself in order to maintain a uniform aesthetic from below.



Re: How to repair exposed tongue and groove roof deck

Did you find a solution to this? We also have a mid century house and need to repair the soffit outside. Thanks in advance

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