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Coating, prep, crack repair, labour and topcoat priced by floor size and finish.
Common US garage sizes at typical installed rates.
Tap a preset in the calculator above to load a typical job, then adjust the numbers to match your site.
Starting points: 1-car 240 sq ft · 2-car 400 sq ft · 2-car polyaspartic · 2-car metallic · 3-car 600 sq ft
See installed prices and permit rules for garage floor coating cost.
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Measure the floor, choose the coating, then compare bids on prep and topcoat.
Two-part epoxy installed runs $3 to $8 per sq ft, so a 400 sq ft two-car garage costs about $2,000. Polyaspartic runs $4 to $11 and metallic epoxy $7 to $20.
Ten to 20 years with proper prep and a topcoat. Failure usually comes from moisture, poor grinding or no primer, not from the coating brand.
Polyaspartic cures faster, resists UV yellowing and can be applied in cold weather. Epoxy is cheaper and still the standard for most residential garages.
Foot traffic after 12 to 24 hours and vehicles after three to seven days for epoxy. Polyaspartic allows vehicles in about 24 hours.
Only if the old coating is sound and has been abraded. Peeling or delaminating areas must be removed and patched first.
A clear topcoat adds UV and chemical resistance and is what keeps flakes from wearing. It usually adds $1 to $2 per sq ft.
Using the calculator defaults, 1-car 240 sq ft gives Typical total: $1,248 and Cost per sq ft: $5.20, with a typical range $762 to $2,004. Change the waste allowance, material or thickness to match your site.
Using the calculator defaults, 3-car 600 sq ft gives Typical total: $3,120 and Cost per sq ft: $5.20, with a typical range $1,905 to $5,010. Change the waste allowance, material or thickness to match your site.