Achieving a weathertight building envelope is a matter of managing water. 

Achieving a weathertight building envelope is a matter of managing water. During a dwelling’s lifespan, it is inevitable that some moisture content or penetration will enter through the envelope.

Watching Paint Dry.

Oil-based paints are particularly poor outdoors with rapid gloss drop-off, chalking, and embrittlement happening over time.

I previously mentioned that the vast majority of paint sales are now water-based.