Are you looking for the exterior polyurethane varnish? Do you know what to consider before buying one? Well, we’ve managed to put together a list of the best exterior polyurethane varnish for your consideration. You can choose one and use it according to your needs.

In most cases, customers lack knowledge about market conditions, which leads to poor purchasing decisions. Fortunately, you have come to the right place as we will present you with a complete guide on how to select the exterior polyurethane varnish for you. We have searched for hours and spent a lot of time and effort making sure you get a good return on your hard-earned money.

You can find a quick comparison and a list of the top exterior polyurethane varnish below if you’re short on time.

Our Premium Picks!

EDITOR’S CHOICE
9.9
Rust-Oleum 250241H Ultimate Spar Urethane Water Based, Quart, Satin Finish

Rust-Oleum 250241H Ultimate Spar Urethane Water Based, Quart, Satin Finish

PREMIUM PICK
9.4
ZAR ZAR-34112 34112 Ultra Fast Drying Exterior Polyurethane, Satin, QT, Clear

ZAR ZAR-34112 34112 Ultra Fast Drying Exterior Polyurethane, Satin, QT, Clear

PREMIUM CHOICE
9.3
TotalBoat-495709 Gleam Marine Spar Varnish, Gloss and Satin Polyurethane Finish for Wood, Boats and Outdoor Furniture (Satin Low-Sheen Gallon)

TotalBoat-495709 Gleam Marine Spar Varnish, Gloss and Satin Polyurethane Finish for Wood, Boats and Outdoor Furniture (Satin Low-Sheen Gallon)

Best exterior polyurethane varnish

Rust-Oleum 250241H Ultimate Spar Urethane Water Based, Quart, Satin Finish

EDITOR’S CHOICE

Specifications:

Rust-Oleum 250241H Ultimate Spar Urethane Water Based, Quart, Satin Finish

$31.21  in stock
16 new from $24.62
Free shipping
Amazon.com
as of July 4, 2022 8:04 am

Features

  • Durable, poly for outdoor wood surfaces such as furniture, doors, windows, fences, trim and more
  • water based formula is easy to apply and cleans up with soap and water
  • Dries to the touch in 30 minutes and covers up to 87 sq. ft. per quart, recoat after 2 hours
  • supports the Weather and UV , top coat does not yellow and helps against natural elements
  • Crystal clear, satin finish provides a classic and natural look

ZAR ZAR-34112 34112 Ultra Fast Drying Exterior Polyurethane, Satin, QT, Clear

PREMIUM PICK

Specifications:

ZAR ZAR-34112 34112 Ultra Fast Drying Exterior Polyurethane, Satin, QT, Clear

$27.97
$26.59
 in stock
5 new from $26.59
Free shipping
Amazon.com
as of July 4, 2022 8:04 am

Features

  • Provides superior protection on exterior wood surfaces
  • Outperforms other exterior clear finishes by 2-1

TotalBoat-495709 Gleam Marine Spar Varnish, Gloss and Satin Polyurethane Finish for Wood, Boats and Outdoor Furniture (Satin Low-Sheen Gallon)

PREMIUM CHOICE

Specifications:

TotalBoat-495709 Gleam Marine Spar Varnish, Gloss and Satin Polyurethane Finish for Wood, Boats and Outdoor Furniture (Satin Low-Sheen Gallon)

$119.99  in stock
2 new from $119.99
Free shipping
Amazon.com
as of July 4, 2022 8:04 am

Features

  • CLASSIC MARINE VARNISH contains premium tung oil, phenolic resins for a beautiful, warm, transparent amber finish on all types of interior and exterior wood
  • DURABLE SPAR VARNISH is the ideal outdoor wood sealer and waterproof finish on brightwork on boats, strip canoes, kayaks and outdoor wooden bar tops, garage doors, furniture and more
  • EASY TO USE, SELF-LEVELING, DRIES FAST: Recoat in 1 hr. @ 72°F; apply up to 3 coats in 1 day; cured varnish remains flexible, expands and contracts with the wood during seasonal humidity and temperature changes
  • CHOOSE GLOSS OR SATIN FINISH: For a high gloss varnish finish apply 4-6 coats of Gleam Gloss; for a sleek satin finish, build with coats of Gleam gloss varnish and use Gleam Satin for the final coats
  • AVAILABLE IN GLOSS OR SATIN (low-sheen), in Pint, Quart and Gallon sizes. Thinner: TotalBoat Special Brushing Thinner 100 (brushing/rolling); xylene (spraying). Coverage: 250 sq. ft./gallon

Minwax Fast Drying Polyurethane Protective Wood Finish, Clear Semi-Gloss, 1 Quart

Specifications:

Minwax Fast Drying Polyurethane Protective Wood Finish, Clear Semi-Gloss, 1 Quart

$13.97  in stock
17 new from $13.97
Free shipping
Amazon.com
as of July 4, 2022 8:04 am

Features

  • PROTECT WOOD SURFACES – Minwax Polyurethane Wood Finish protects interior projects like woodwork, furniture, floors and cabinets. The oil-based, clear top coat is one of the most durable coatings for wood protection against scratches, spills and more.
  • OIL-BASED DURABLE FINISH – Clear finish provides long-lasting protection and warm beauty to both finished and unfinished wood projects. Protective coating is ideal for woodwork, furniture, doors, cabinets & floors, and is available in a variety of sheens.
  • SEMI-GLOSS SHEEN – Give your wood projects a sleek finish with this semi-gloss clear varnish. It not only protects the natural beauty of the wood, but offers a long-lasting, semi-shiny, sleek sheen for a modern look.
  • FAST DRYING – Get more done with this protective poly coating. It’s a fast-drying clear coat, which allows for quick recoats after 4-6 hours, letting you get projects done faster. Be sure to apply with a high-quality natural or foam brush.
  • A BRAND YOU CAN TRUST – Minwax is America’s leading brand of wood finishing and wood care projects. Since 1904, we have been inspiring consumers to Keep on Finishing. We offer consumers a complete line of products to meet every wood finishing need.

Deft Defthane Interior Exterior Clear Polyurethane Satin Spray, 11.5-Ounce Aerosol

Specifications:

Deft Defthane Interior Exterior Clear Polyurethane Satin Spray, 11.5-Ounce Aerosol

$21.99
$19.00
 in stock
10 new from $19.00
Amazon.com
as of July 4, 2022 8:04 am

Features

  • This product adds a great value
  • Excellent for interior and exterior wood surfaces including floors, doors, furniture cabinets and marine applications above the water line
  • A high-solids oil-based polyurethane formulated for hard use areas
  • This high solids oil based polyurethane formulated for hard use areas
  • Excellent for interior and exterior wood surfaces including floors, doors, furniture cabinets and marine applications above the water line

Deft Defthane Interior Exterior Polyurethane Clear Semi-Gloss, 11.5-Ounce Aerosol Spray

Specifications:

Deft Defthane Interior Exterior Polyurethane Clear Semi-Gloss, 11.5-Ounce Aerosol Spray

$21.78
$17.86
 in stock
5 new from $17.86
Amazon.com
as of July 4, 2022 8:04 am

Features

  • Interior & Exterior
  • For Hard Wooden Surfaces
  • Alcohol & Other Common Household Chemicals
  • This high solids oil based polyurethane formulated for hard use areas
  • Excellent for interior and exterior wood surfaces including floors, doors, furniture cabinets and marine applications above the water line

Deft Interior Exterior Water-Based Polyurethane Finish Gloss, Quart

Specifications:

Deft Interior Exterior Water-Based Polyurethane Finish Gloss, Quart

$36.99  in stock
2 new from $36.99
Free shipping
Amazon.com
as of July 4, 2022 8:04 am

Features

  • Interior/Exterior Multi Use Focus
  • Greater Durability Than Oil Based Poly
  • 2 Hour Recoat
  • Water based polyurethane provides ideal protection for interior and exterior wood surfaces
  • A 100-Percent urethane water-based clear protective top coat, formulated with the latest water-based oil modified urethane technology

ZAR 34012 Gloss Ultra Fast Drying Exterior Polyurethane

Specifications:

ZAR 34012 Gloss Ultra Fast Drying Exterior Polyurethane

$32.03  in stock
7 new from $32.03
Amazon.com
as of July 4, 2022 8:04 am

Features

  • Provides superior protection on exterior wood surfaces
  • Outperforms other exterior clear finishes by 2-1

Rust-Oleum 250041H Ultimate Spar Urethane Water Based, Quart, Gloss Finish

Specifications:

Rust-Oleum 250041H Ultimate Spar Urethane Water Based, Quart, Gloss Finish

$22.00
$20.97
 in stock
6 new from $20.97
1 used from $18.47
Free shipping
Amazon.com
as of July 4, 2022 8:04 am

Features

  • Durable, protective poly for outdoor wood surfaces such as furniture, doors, windows, fences, trim and more
  • Low odor, water based formula is easy to apply and cleans up with soap and water
  • Dries to the touch in 30 minutes and covers up to 87 sq. ft. per quart, recoat after 2 hours
  • Weather and UV resistant top coat does not yellow and protects against mold and mildew
  • Crystal clear, gloss finish creates a polished and clean look

TotalBoat-520605 Halcyon Marine Varnish | Water-Based Polyurethane Wood Finish | Clear Satin UV Protection for Interior and Outdoor Use (Clear Satin, Quart)

Specifications:

TotalBoat-520605 Halcyon Marine Varnish | Water-Based Polyurethane Wood Finish | Clear Satin UV Protection for Interior and Outdoor Use (Clear Satin, Quart)

$36.99  in stock
2 new from $36.99
Free shipping
Amazon.com
as of July 4, 2022 8:04 am

Features

  • DURABLE MARINE-GRADE VARNISH cures to a hard gloss or satin finish for beautiful brightwork; for interior and exterior use on wood trim, toerails, cockpits, doors, cabinets, chairs, outdoor furniture and more - on your boat or at home
  • PROTECTS AGAINST DAMAGE FROM SUN AND WEATHER: Provides superior sun-blocking protection and maximum resistance to salt, abrasion and scratches; excellent adhesion and flexibility let wood expand & contract naturally, without cracking or peeling
  • EASY TO APPLY, EASY TO CLEAN UP: Spar urethane is easy to apply by brushing, rolling or spraying; looks milky-white at first, but cures to a clear or clear amber color, depending on formula; for a satin finish, use gloss for build coats and satin for finish coat; easy soap & water cleanup
  • FINISH VARNISH JOBS FASTER: Dries fast so you can finish faster than with traditional varnishes; apply up to 5 coats in a day, no sanding between coats; apply at least 2-4 heavy coats for interior applications; 4-6 coats for exterior applications
  • CHOOSE FINISH AND COLOR: Gloss finish comes in Clear or Amber colors; Satin finish comes in Clear only; Kit Sizes: Pint, Quart and 4 Quart; Coverage: 40-50 sq ft/pint; 80-100 sq ft/quart; NOTE: Halcyon Satin is not available in a 4 Quart kit