Substrate painting guides

How to paint a specific material — what primer to use, how to prep, what topcoat survives. Each guide is anchored to a real substrate, not a generic 'how to paint' pep talk.

GUIDE

How to Paint MDF (and Stop the Edges from Swelling)

MDF takes paint beautifully — but only if you seal the edges first. Full prep + paint guide for cabinets, trim, and panel work.