We use Cover Stain on new interior trim & doors (usually clear pine, mdf, and poplar). It's great but we end up sanding through it pretty easily even with 220/320. Would like a harder primer but probably won't be buying FPE's oil undercoater at $175/gal. Any other suggestions for a brushable...

Hello all, new to the forum, 35 years of experience, Last summer I painted two large exterior gates in Atherton, CA. They were previously painted with solid oil base stain. The stain had weathered severely, fading, mildew forming in some areas, and some bare wood. I treated the surfaces with...