Epoxy Garage Floor Cost Calculator

Epoxy garage floor coating costs $3–$14 per square foot installed, depending on the type. Solid color epoxy runs $3–$7/sqft, decorative flake $5–$10/sqft, and metallic epoxy $8–$14/sqft. A typical 2-car garage (400 sqft) costs $1,200–$4,000 for professional installation. DIY epoxy kits cost $100–$300 per car but don't last as long as professional coatings.

Professional epoxy garage floor coating lasts 10–20 years with proper maintenance. DIY kits typically last 2–5 years. Polyurea and polyaspartic coatings (premium alternatives) last 15–25 years. Factors affecting lifespan: coating thickness (thicker = longer), UV exposure (metallic may yellow without UV topcoat), hot tire pickup resistance, and chemical exposure from oil and salt.

Yes, epoxy garage floor is worth the investment for most homeowners. Benefits include: easy cleaning (sweep and mop), chemical and stain resistance, increased home value ($2–$5 per sqft ROI), dust-proof sealed surface, and improved lighting (reflective finish). Professional coating costs $1,200–$4,000 for a 2-car garage and lasts 10–20 years. The alternative — repouring concrete — costs $4,000–$8,000.

Yes, DIY epoxy kits from Home Depot and Lowe's cost $100–$300 per car and take a weekend. Steps: clean floor thoroughly, etch or grind surface, apply primer, roll on epoxy base coat, broadcast flakes (if included), apply clear topcoat. DIY challenges: floor prep is critical (90% of failures are prep-related), temperature must be 50–90°F, humidity below 85%, and floor must be dry. Professional results last 3–5x longer than DIY.

After professional epoxy application: light foot traffic in 24 hours, heavy items in 48–72 hours, vehicle parking in 5–7 days. Full cure takes 28 days — avoid hot tire contact during this period. Polyaspartic coatings cure faster: walk on in 4–6 hours, park in 24 hours. Temperature affects cure time — cooler temps slow curing. Follow your installer's specific recommendations.

Most garage floors need some repair before epoxy. Common repairs: crack filling ($1–$3/sqft for minor cracks), spalling/pitting repair ($2–$5/sqft), grinding high spots, and leveling low spots. Major cracks wider than 1/4 inch may need structural repair first. A moisture test is recommended — tape a plastic sheet to the floor for 24 hours. If moisture collects underneath, you need a moisture barrier ($0.50–$1.50/sqft).

Epoxy is the traditional garage floor coating ($3–$10/sqft), while polyaspartic is a newer, premium option ($6–$12/sqft). Polyaspartic advantages: cures in 1 day vs. 5–7 days, UV stable (won't yellow), more flexible (fewer cracks), and wider temperature application range. Epoxy advantages: lower cost, thicker build in fewer coats, and proven 30+ year track record. Many professionals now use an epoxy base coat with polyaspartic topcoat for the best of both worlds.

For most homeowners, decorative flake epoxy ($5–$10/sqft) offers the best value. Flakes hide imperfections, provide texture for slip resistance, and look professional. Solid color epoxy ($3–$7/sqft) is the budget option — clean look but shows every imperfection. Metallic epoxy ($8–$14/sqft) creates a stunning showroom finish with swirling pearlescent patterns, ideal for car enthusiasts.