How to Keep Latex Paint From Chipping

Latex paint isn't susceptible to mildew.

Latex paint isn't susceptible to mildew.

Latex paint is a water-soluable paint that's durable and non-toxic. When applied to a dirty surface, especially in high-traffic areas, it's likely to peel and chip. During certain weather conditions, latex paint can bubble, creating air pockets that often result in future paint chips and peeling paint. To keep latex paint from chipping, ensure it's applied to a well-prepared surface and given sufficient dry time.

Clean the Surface

Clean a non-wood surface with warm water and liquid detergent to make sure it's free of dirt, dust and grime. Wipe the surface with a clean cloth to remove chalky residue or unwanted build-up. Dust bare wood with a duster or a dry cloth to remove surface dirt. Latex paint requires a clean foundation, or the paint won't adhere properly to the surface.

Paint During Moderate Weather

Paint exterior surfaces with latex during dry weather when outdoor temperatures are moderate. Once temperatures reach 85 degrees, excess heat and direct sunlight can cause latex paint to dry too quickly. The rapid dry time causes latex paint to bubble, eventually resulting in chips and peeling paint. Humid conditions can cause latex to run and drip before it dries.

Scrape or Sand Rough Surfaces

Scrape or sand away existing paint chips and peeling paint before applying latex paint. Scrape existing paint chips off the surface with a putty knife, being careful not to create divets in the sublayer. Sand surfaces with high-grit sandpaper to remove peeling paint.

Apply Primer

Apply primer to untreated bare wood, unfinished drywall, concrete, oil-based paint and metal. Test bare wood before priming to make sure the primer doesn't discolor the wood or harm the grain, according to the instructions on the primer. Choose primers that are fomulated to work with latex. Apply primer to the surface with a paint brush or roller brush, leveling out the compound until it's smooth and even. Danny Lipford recommends sanding or deglossing interior oil-based woodwork before priming. Avoid painting over layers of exterior oil-based paint with latex.

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