Unlike water-based alternatives, the oil carrier deeply infiltrates porous substrates like raw wood, knots, and tannin-rich woods. Regarding compatibility, this primer is exceptionally versatile.
Kilz Oil Based Primer Surface Compatibility Guide
This makes it an ideal universal primer for mixed-media projects where you might transition from a brush-on oil base to a spray-applied finish. This deep penetration physically locks into the material fibers, creating a mechanical bond that resists moisture-driven swelling and shrinking, effectively sealing the substrate from future bleed-through.
Conquering the Most Difficult Substrates One of the primary reasons professionals reach for this primer is its unparalleled ability to handle challenging surfaces that would cause standard paints to fail prematurely. Light scuffing with fine-grit sandpaper can significantly improve adhesion on glossy or previously painted surfaces.
Kilz Oil Based Primer Surface Compatibility Guide
It accepts virtually all topcoats, including alkyd enamels, acrylic latex, and even spray-applied polyurethanes. While premium latex primers have improved significantly, the oil-based formula retains specific advantages that make it the superior choice for specific scenarios.
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