Do You Need Drywall Primer or Paint-and-Primer-in-One?

Color Store • July 24, 2026

Paint-and-primer-in-one products have made many small touch-ups easier, and it is easy to see why they're tempting: one can, one trip to the store, one less step on a busy weekend. But for anyone painting new drywall, these products were never formulated to replace a true primer. Skipping a dedicated primer step on fresh drywall shows up quickly, usually as a patchy sheen and uneven color, with a topcoat that ends up needing three coats instead of two.

Applying primer to drywall with a roller.

What Paint-and-Primer-in-One Actually Does

These combination products add a small amount of bonding resin to a standard paint formula. That extra resin helps the paint stick a little better to a wall that's already painted and sealed, making these products a reasonable shortcut for a same-color recoat in a room that's already in decent shape. They're not designed to seal raw drywall, block stains, or even out differences in how drywall paper, joint compound, and patch material absorb paint.

When You Need Primer for New Drywall

New drywall typically combines paper-faced gypsum board with joint compound over the seams, plus the occasional dab of spackle or patch material over screws and dings. Each of these surfaces absorbs paint at a different rate. Without a proper primer first, you will usually see the seams and patches as a slightly different sheen or color once the topcoat dries, an effect painters call flashing. That difference becomes even more obvious under darker colors or wallpaper, where any unevenness in the wall will show through the finish.

Benjamin Moore® Drywall Primer Solves the Porosity Problem

Benjamin Moore® Drywall Primer is an acrylic latex formula designed for both new and old drywall. Its high-hiding, strong-sealing properties provide an even coat regardless of the underlying drywall material, so your topcoat goes on with consistent sheen and color from edge to edge. It also delivers the enamel holdout you need for satin or semi-gloss topcoats to look their best, which matters in kitchens, bathrooms, and trim work, where a flat finish would show every fingerprint.

Other Scenarios Where a Dedicated Primer Still Wins

Drywall is not the only place a paint-and-primer-in-one product falls short. If you are covering a dark color with a much lighter one, Fresh Start® High-Hiding All-Purpose Primer reduces the number of topcoats you need. If you are dealing with water stains, tannins, smoke odor, or other discoloration on existing walls, a stain-blocking primer like Fresh Start® All-Purpose Primer seals the problem in before it has a chance to bleed through your new color. New construction, ceilings that have never been painted, and rooms coming out of major repairs tend to fall into one of these categories.

Find the Right Primer and Interior Paint near Des Moines

Use our primer and specialty paint selection to match the right product to your project, or schedule a free color consultation. Our team will help you choose the right primer and Benjamin Moore interior paint for the job. We're locally owned and operated and proud to serve our neighbors across Des Moines and Waukee, Iowa; Omaha, Nebraska; and the surrounding areas.

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