Interior vs. Exterior Painting: What Syracuse Homeowners Need to Know
Interior and exterior paint projects share a name but almost nothing else. Understanding the differences — materials, timing, prep requirements, and longevity — helps you plan smarter and spend wiser.
Interior painting can be done year-round. Exterior painting cannot. In Syracuse, the exterior season runs from late May through early October — you need sustained temperatures above 50°F and low humidity for paint to cure properly. Scheduling exterior work in cold or wet conditions leads to failure within 12 months.
Interior paints prioritize low VOC emissions and washability. They are engineered to be scrubbed, to resist staining, and to hold their sheen in humid environments like bathrooms and kitchens. Exterior paints prioritize UV resistance, flexibility through freeze-thaw cycles, and adhesion to a wide range of surfaces.
Prep requirements differ dramatically. For interiors, prep means patching holes, sanding imperfections, cleaning walls, and masking trim. For exteriors, proper prep means pressure washing, scraping all loose paint, sanding feather edges, priming bare wood, and caulking every gap, crack, and penetration. Skipping exterior prep is the single biggest predictor of early paint failure.
Budget accordingly. Interior projects are typically priced per room. Exterior projects are typically priced by square footage of paintable surface — and that number is often much larger than homeowners expect once you account for dormers, trim, soffits, fascia, and doors.
Longevity expectations differ. A quality interior paint job in a normal-traffic room can last 10–15 years. A quality exterior paint job in Central New York typically lasts 7–10 years. Anyone promising you longer than that on an exterior in this climate is either selling you something or has never painted through a Syracuse winter.