While paints specially formulated for ceilings easily meet or exceed that guideline (e.g., Valspar Ultra 4000 Interior Latex Ceiling Paint, which measures 102 to 111 KU), buying a regular interior latex paint with a similar viscosity (e.g., Valspar Ultra 4000 Interior Latex Flat Paint, which has a viscosity of 97 to 107 KU) will help minimize paint drippage. The slightly thicker paint sticks better to the ceiling and stays there until fully dry. You’ll find the KU measurement in the manufacturer’s specs for any given paint, if it’s not located on the back of the paint can itself.
The best paint for ceilings has a consistency close to that of thinned-out honey-measured in Krebs Units (KU), this is generally 106 KU or greater. To keep paint from dripping onto you as you coat ceilings, choose an interior latex paint with a higher than average viscosity (a.k.a thickness). Pick a high-viscosity paint to minimize drippage. In short, the paint finish better retains its color and integrity over time. Plus, it provides better resistance to common paint woes such as cracking, peeling, fading, and yellowing with age and/or high humidity in the room. Latex paint also has a quicker drying time and emits less volatile organic compounds into the air-which is an important consideration for an indoor paint job with insufficient ventilation. After all, ceilings are seldom touched, and as a result, see less daily wear-and-tear. While oil-based interior paints cure into a harder, more ding-resistant coat that makes them ideal for high-traffic spaces, the less expensive interior water-based latex paints (starting at $13.98 per gallon from brands like Valspar, available at Lowes) are sufficient.
Choose a high-build primer like KILZ High-Build Drywall Primer (available on Amazon) if your ceiling has a deeper texture (e.g., popcorn)-these products not only prime but also fill in grooves and imperfections in the ceiling.Ĭhoose an interior latex paint. Before you paint over a smooth or lightly textured (e.g., knockdown texture) drywall ceiling, prime it with an interior latex drywall primer like Glidden Latex Drywall Interior Primer (available at Home Depot) that’s close in color to the paint. Priming is always recommended when transitioning from a darker to a lighter ceiling paint color it will improve paint adhesion and prevent the darker old coat from showing through the lighter new coat.
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