Using joint compound to Sealed osb plywood

On this video, I am making my own joint compound from saw dust and glue to seal those small gaps on my osb plywood. I learned this trick back in my high school year taking wood shop class.
It is much cheaper, and stronger than wood filler in my opinion. I don't like gaps in my osb plywood. They will attract spiders, and other small insects.
I will be applying stain and water proof clear coat to my osb plywood at a later time.
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[@grahamulax]

heeeeeeey I learned this trick too! Or with a small ammount of glue for repairing pieces, or resin!?!(forgot if this ones true or not aha). But yeah, I save my sawdust now!