Can this product be applied to painted surfaces.

I have used it over wood carvings painted with acrylic paints and have have excellent results in an outdoor evironment.

can i apply the oil based urethane over a water based paint to protect it?

You can but this is why you should use a water based poly over the oil poly Oil based poly has an amber hue, whereas water based poly is clear. An oil based polyurethane will continue to amber and darken over time, while water based poly will remain clear for the lifetime of the hardwood floor. ... Water based poly dries much faster, and several coats (up to 4) can be applied in one day. This explains why fritz the cat who did answer this question as well is why theirs yellowed

How is the viscocity out of the can, is it more like warm syrup or more like water...or somewhere in between? Thank you!

Maybe Slightly Thinner than warm Syrup, So probably between Warm Syrup & Water. A word of advice though, I had an extremely difficult time working with this product & had to sand and reapply many coats to get a satisfactory finish. It dries fast & if you run a brush over it after is has sat more than a minute it will create rough brush marks. Additionally if you apply more than a very thin layer it will crack similar to a crackle pattern. Unless you are putting this over a pure white background I would recommend that you use the standard "Crystal Clear" non-water based urethane. It has only a light yellow tint and is much easier to work with in my experience.

Can this product be applied over an exterior wood stain?

In fact it can, but being unfamiliar with the product, I purchase it thinking that it's use would result in a shine. I learned that "spar" must mean something other than gloss or high gloss. I then purchased the "Minwax Gloss aerosol which gave me the desired result, although several coats were required.

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✨ Protect & Shine: The Glossy Armor Your Wood Deserves! ☀️

SLEEK GLOSS FINISH - Delivers a shiny, polished look that enhances the natural beauty of wood, making your projects stand out with a modern edge.
VERSATILE ELEGANCE - Perfect for both indoor and outdoor use on doors, trim, cabinets, countertops, and outdoor furniture—upgrade any space with a glossy finish.
ULTIMATE UV DEFENSE - Special UV blockers protect wood from fading and graying, keeping your projects vibrant season after season.
ALL WEATHER RESILIENCE - Formulated with flexible oils that expand and contract with wood, ensuring durable protection against rain and moisture all year long.
TRUSTED HERITAGE BRAND - From America’s leading wood care brand since 1904, ensuring quality and reliability you can count on for every finishing project.

Minwax Helmsman Indoor/Outdoor Spar Urethane is a premium gloss varnish designed to protect wood surfaces from UV rays, moisture, and temperature changes. Offering 125 sq ft coverage per quart, it’s ideal for both interior and exterior wood projects, providing a durable, flexible, and sleek finish that preserves and enhances natural wood beauty year-round.

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Coverage	125 ft/quart
Recommended uses for product	exterior
Liquid volume	32 Fluid Ounces
Item form	Liquid
Global Trade Identification Number	00027426632004
Manufacturer	Paint Sundries Solutions
UPC	027426632004
Part number	63200444
Item Weight	907 g
Product Dimensions	10.8 x 10.8 x 12.42 cm; 907.18 g
Item model number	63200444
Size	Quart
Color	Quart
Style	Gloss
Finish	Gloss
Pattern	Urethane
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

MinwaxHelmsman Indoor/Outdoor Spar Urethane, Quart, Gloss

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