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Woodworking Math

Wipe-on polyurethane

Watco Wipe-On Poly

The figures Rust-Oleum (Watco) prints for Watco Wipe-On Poly 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
2–4 h
Recoat
4–6 h
Ready for use
Not on the sheet we read
Full cure
1 day
Coverage
50–100 sq ft per quart
Thinning
Not on the sheet we read
VOC
Under 460 g/L
Conditions
70 °F, 50 % RH; apply at 60–90 °F, RH under 85 %
Indoors or out
Interior
Food contact
The sheet we read makes no food-contact statement

One source: Rust-Oleum (Watco), the maker of that product

From the sheet: Handle after 8–12 hours; three coats recommended. Coverage printed per 946 mL (a US quart).

What the maker names it for

Against its kind

Watco Wipe-On Poly is one of the products in wipe-on polyurethane; here is that kind across every maker we have read.

Wipe-on polyurethane: recoat across makers

Only one maker’s sheet so far, so no class value: see its own figure above.

Wipe-on polyurethane: coverage across makers

Only one maker prints a coverage, so no class value: see its own figure above.

Related

Work it out for your project

Sources

  1. Rust-Oleum (Watco), Watco Wipe-On Poly technical data sheet WAT23 (Canada), Rev. 011022, read 2026-11-07.

How the tags work: How we source every number.