can this be used on painted surfaces (tables, chairs..) for outdoor protecton and easy cleaning? and is it really clear, so won't change the color?

Yes. I have done this several times. Note that it may change the color slightly (a little yellowish), but it makes the finish much more durable. I recommend a satin or semi-gloss if you want a smooth finish. I've used matte before as well, where I wanted to make the surface a little rougher (distressed furniture, or stairs on a ladder).

Can this bbe thinned to get a smooth finish?

i do not know, i did not try but if you use a hi quality brush its not too bad . I found brush it out 1 time and do not go back over it an the finish is acceptable

I have a table that has a cut out groove all the way around (which i hate). if i use this on top of a gel stain to refinish, will it fill that groove?

My experience with the product was that if it collected heavy in a crack or around a metal fastener, it dried pretty white rather than clear, so I would expect it to not be clear in the groove

Triple Thick Polyurethane

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🛠️ Elevate your woodwork with triple-thick brilliance—because your projects deserve the best!

TRUSTED QUALITY - Backed by Rust-Oleum’s legacy and a 4.6-star rating from over 240 users who demand excellence.
EFFORTLESS APPLICATION - Self-leveling and brushable design eliminates brush marks, making your finish look professionally smooth.
TRIPLE THICK PROTECTION - 3x thicker formula means fewer coats and superior durability for your wood projects.
FAST COVERAGE LESS HASSLE - Covers up to 50 sq ft per quart, saving you time and effort on every project.
PREMIUM CRYSTAL CLEAR FINISH - Achieve a flawless semi-gloss shine that enhances natural wood grain without yellowing over time.

Varathane® Triple Thick Polyurethane is a premium, 3x thicker semi-gloss clear finish designed for interior wood surfaces. It offers crystal-clear protection with a self-leveling, brushable formula that prevents brush marks and yellowing. Covering up to 50 square feet per quart, it delivers professional-grade durability and shine with fewer coats, trusted by thousands of users for superior results.

Specifications

ASIN	B00RWWCJHQ
ASIN	B00RWWCJHQ
Best Sellers Rank	#94,148 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #153 in Varnishes
Brand Name	Varathane
Compatible Material	Wood
Country of Publication	USA
Country of origin	USA
Coverage	50 square feet
Customer Reviews	4.6 4.6 out of 5 stars (243)
Customer reviews	4.6 4.6 out of 5 stars (243)
Date First Available	29 July 2016
Finish Types	Semi-Gloss
Global Trade Identification Number	00020066273682
Is Discontinued By Manufacturer	No
Item Form	Liquid
Item Weight	422 g
Item model number	284472
Liquid Volume	32 Fluid Ounces
Manufacturer	RUST-OLEUM
Manufacturer	RUST-OLEUM
Manufacturer Part Number	284472
Material Type	Polyurethane (PU)
Model Number	284472
Product Dimensions	10.8 x 10.8 x 12.7 cm; 421.84 g
Recommended Uses For Product	Interior
UPC	020066273682
Unit Count	1 Count

Reviews

A**R

Used it on birchyply : its amazing crystal clear semi gloss finish looks super premium. Have tried other PU finishes in the past : they are time consuming and also coat is not crystal clear. Easy to apply : will recommend two coats for excellent finish. Brushable application with self leveling feature is amazing - does not leave any brush marks.

6.10.2019

D**H

do alot of wood craft things --like this poly --it is thicker --does not yellow--easy clean up

2.03.2026

C**K

I love this stuff. Goes on nice and cleans up real easy. It dana great and ready for a second coat of that's your thing. I will keep buy this product

6.01.2026

P**.

Worked better than anticipated. Would order again.

16.12.2025

S**R

Highly recommend over the thinner version of poly. Its super thick and you only need one coat. It rarely drips because its so thick.

13.10.2025

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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