OSB Ceiling - Installation Question

[pbywallace]

Hi all - do I need to leave 1/8 inch gap between sheets to account for expansion? If so, can I just caulk those before I paint?

This will be 7/16 OSB FYI

thanks

 

[TTTTTT]

I primed and painted before installing on my ceiling. I butted mine as tight as possible. 5 years no movement, no caulking used, no issues. Just touched the screw heads with same colour after I installed. Perfect!

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[Falcon67]

I got it fairly tight and caulked the seas with a nearly-matching color caulk. No paint.

 

[like2wheel]

Its pretty hot & humid this time of year. I don't think those sheets are gonna grow any more than they are now

 

[nadogail]

You might consider painting the sheets before you install them. Painting panels sitting on horses is easier, in my opinion, than painting them overhead.

 

[Notgrownup]

I painted mine first and butted as close as possible and finished the seams with finish 1x2 and painted it white