Metallic Epoxy Garage Floor in Antioch
Epoxy Floors Craft Antioch covers metallic epoxy for Antioch garages — pigment worked by hand into clear epoxy over a dark base, a glossy clear top coat and the swirls that make every floor different — along with the slab it needs and the faults it can show.
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How a metallic floor is made
The look comes from a stack of thin, deliberate layers rather than a single coat.
- Ground concrete, with cracks and holes filled and ground flush.
- Primer to seal and bond.
- Opaque base coat, often dark gray or black, chosen to set the depth of color.
- Metallic coat. Pearlescent pigment is stirred into clear epoxy and moved across the wet surface with rollers, brushes or a torch-free technique to make the swirls.
- Clear top coat. Polyurethane or polyaspartic where UV behavior matters.
No two floors repeat, and a metallic floor cannot be touched up invisibly; the pattern cannot be matched later.
What the numbers show
- Ground concrete Cracks and holes are filled and ground flush first; gloss shows every dip and patch.
- Primer Seals the slab and bonds the opaque base.
- Opaque base coat Often dark gray or black; its tint sets the depth of the finished color.
- Metallic pigment layer Pearlescent pigment stirred into clear epoxy and worked across the wet surface by hand to make the swirls; no two floors repeat.
- Clear top coat Protects the swirls and sets the gloss; a UV-stable chemistry is the better match for a garage that stays open to the sun.
A slab that has to be right
A metallic floor is unforgiving. Its glossy surface shows every dip, trowel mark and patched crack, and bubbles or pinholes from air leaving the concrete show up as dots in the swirl. Slabs poured in the 1970s to 1990s — about 59% of Antioch homes were built in that span — often carry hairline cracks and tire wear, which means repairs are sanded or ground flush and sometimes skim-coated before the first coat.
Scratches, slip and sunshine
Gloss shows scratches and swirl marks, so the clear top coat is where durability is bought. A coated floor can be slippery when wet or oily; fine grit mixed into the clear coat adds grip, at some cost to the mirror finish. Because the garage door is open to the Delta sun for hours, ask for a UV-stable top coat instead of standard epoxy, which can amber over a metallic base.
Where metallic floors go wrong
| Symptom | Likely cause | Prevention |
|---|---|---|
| Dots or pinholes across the swirl | Air or moisture escaping the slab | Seal coat, correct temperature window, moisture test |
| Bubbles under the clear coat | Trapped air or a heat-warm slab | Roll slowly, avoid coating in rising heat |
| Flat, patchy swirl | Metallic coat worked too long or too thin | Pigment load and pot life per data sheet |
| Visible patches | Cracks filled but not ground flush | Flush repair before the base coat |
| Cloudy clear coat | Humidity or a damp slab | Dew-point check and a moisture test |
What metallic epoxy costs in Antioch
| Garage | Area | Metallic epoxy, sound slab |
|---|---|---|
| 1-car | about 240 sq ft | $2,160–$3,120 |
| 2-car | about 420 sq ft | $3,780–$5,460 |
| 3-car | about 704 sq ft | $6,336–$9,152 |
Metallic is the most expensive of the four garage systems because of the pigment, the extra coats and the hand work. Repairs and options add to it. These are market estimates, not quotes.
Metallic Epoxy Garage Floor — common questions
Is a metallic epoxy floor slippery?
A coated floor can be slippery when wet or oily. Fine grit in the clear coat adds grip, and the amount is a choice between grip and the glossy look.
Why is metallic epoxy the priciest garage system?
It needs more layers, pigment that costs more than flake, and slow hand work on a slab prepared to a higher standard. In Antioch that is about $9–$13 per square foot in 2026.
Metallic Epoxy Garage Floor: check availability and price range
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