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Woodworking Math

Water-based polyurethane

General Finishes High Performance

The figures General Finishes prints for General Finishes High Performance on its own data sheet, at the conditions it names. Where the sheet doesn't give a figure, this page says so rather than borrow one from another product.

Dry to the touch
30 min
Recoat
2 h
Ready for use
Not on the sheet we read
Full cure
21 days
Coverage
up to 600 sq ft per gallon
Thinning
Water, GF Extender or GF Accelerator
VOC
Under 173 g/L
Conditions
70 °F, 50 % RH
Indoors or out
Interior
Food contact
The sheet we read makes no food-contact statement

One source: General Finishes, the maker of that product

From the sheet: Water-based acrylic/urethane blend; 25 % volume solids; 3–4 coats.

What the maker names it for

Against its kind

General Finishes High Performance is one of the products in water-based polyurethanes; here is that kind across every maker we have read.

Water-based polyurethanes: recoat across makers

2 h

span 2 h

Median of 3 sources

Water-based polyurethanes: coverage across makers

500 sq ft/gal

span 400–600 sq ft/gal, per coat

Median of 3 sources

Related

Work it out for your project

Sources

  1. General Finishes, High Performance Topcoat technical data sheet (April 2019), read 2026-11-07.

How the tags work: How we source every number.