| Conversion varnish | Water-based (EVO Eclipse) | |
|---|---|---|
| Base | Solvent, acid-catalyzed | Water |
| Hardness and chemical resistance | Very high: its real strength | Meets the cabinet industry’s KCMA test, per its maker |
| Flex as wood moves | Brittle; can crack at joints | Flexes, so joints resist cracking |
| Whites over the years | Can yellow | Stay white |
| Chips and dings | Hard to touch up; often a respray | Touch up cleanly |
| Fumes | High-solvent; many contain formaldehyde | Very low VOC; no formaldehyde |
What is conversion varnish?
Conversion varnish is a two-part, solvent-based finish. A catalyst is mixed in before spraying, and as it cures it “converts” into a very hard, chemically resistant film. For decades it has been the standard topcoat in cabinet shops, and for good reason: it is tough, it builds quickly and it shrugs off most household cleaners.
Its weaknesses come from the same hardness. A rigid film does not move, and wood does.
What does a water-based cabinet finish do differently?
Modern water-based cabinet finishes are not wall paint. They are spray-applied coatings built for cabinets. Ours is EVO Eclipse by Gemini. It cures into a tough film that stays slightly flexible, and it carries far less solvent.
Gemini states that EVO Eclipse meets the KCMA performance requirements when applied to its specification. KCMA is the Kitchen Cabinet Manufacturers Association, and its standard is the cabinet industry’s own test for how a finish stands up to heat, moisture, stains and cleaners.
Where water-based is better
- Joints that resist cracking. A painted door is built from pieces, and solid wood swells and shrinks with the seasons. A brittle finish can crack where those pieces meet. A flexible finish moves with the wood, so the joints stay cleaner for longer.
- Whites stay white. Conversion varnish can take on a yellow cast over the years, which shows most on white and cream kitchens. A water-based finish holds its colour.
- Touch-ups that blend in. Kitchens get bumped. A chip in a water-based finish can be spot-repaired so it disappears. A chip in conversion varnish often means respraying the whole door.
- Everyday cleaning. In our kitchens it holds up to daily wiping and scrubbing without chipping.
- Very low fumes. It is low in VOCs and contains no formaldehyde, which many conversion varnishes are made with. Better for the people spraying it, and nothing to air out once the cabinets are in your home.
Where conversion varnish still wins
On sheer hardness and resistance to harsh chemicals, conversion varnish is excellent, and we will not pretend otherwise. If a cabinet will face solvents, lab chemicals or commercial abuse, it is a reasonable choice. For a home kitchen, the things that actually go wrong with painted cabinets are cracked joints, yellowed whites and chips you can’t fix, and those are where water-based comes out ahead.
How we apply it
Every painted cabinet is sprayed in our Concord shop, not brushed on site:
- Primer, sprayed and sanded smooth.
- Two topcoats of EVO Eclipse, with a light sand between coats for a smooth, even surface.
- Cured in the shop before anything is wrapped, so the finish is fully hard when it reaches your kitchen.
Spraying in a controlled shop is what gives a factory-smooth finish with no brush marks, and curing before delivery means the doors arrive ready to use. You can see the result across our finished kitchens.
Will a painted door ever show a line at the joint?
It can. Solid wood moves with humidity whatever finish is on it, and on a painted door that movement can show as a hairline line where the frame pieces meet. It is wood behaving like wood, not a failing finish, which is why our limited lifetime warranty lists it as a natural characteristic. A flexible finish makes it less likely; no finish can stop wood from moving.
What to ask any cabinet maker about their finish
- What is the topcoat, by name, and is it water-based or solvent-based?
- Is it sprayed in a shop or applied on site?
- How many coats, and is it sanded between them?
- How is a chip repaired, and does it blend?
- Does it meet the KCMA finish test?
Every Crafted kitchen is built to your sizes, with plywood boxes, full-extension dovetail drawers and soft-close hinges as standard, and it arrives fully assembled and finished. Any of our door styles can be painted in this finish.
Frequently asked questions
Is water-based paint as durable as conversion varnish on cabinets?
Conversion varnish is harder and more resistant to harsh chemicals. A good water-based cabinet finish meets the cabinet industry’s KCMA test, flexes so joints resist cracking, keeps whites from yellowing and touches up cleanly, which matter more in a home kitchen.
Does conversion varnish yellow?
It can, over the years, and it shows most on white and cream cabinets. A water-based finish holds its colour.
Can you touch up water-based cabinet paint?
Yes. A chip can be spot-repaired so it blends in. Conversion varnish usually needs the whole door resprayed.
What finish does Crafted Cabinetry use on painted cabinets?
EVO Eclipse by Gemini, a water-based finish, sprayed in our Concord shop: primer, two topcoats sanded between coats, cured before delivery.
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