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Ready Seal Goof Proof Semi-Transparent Flat Dark Walnut Oil-Based Penetrating Wood Stain/Sealer 5 ga

Made in America

Support American manufacturers + independent hardware retailers in one purchase.

Soaks into outdoor wood for lasting UV-resistant color without lap marks, covering up to 625 sq. ft. per 5-gallon container.
Ready Seal MPN 525 In Stock & Ready to Ship
$199.99
Free shipping on orders over $249
Ships within 24 hours · most orders arrive in about 2 business days
Ships free on orders over $249 $24.99 flat shipping until your order reaches $249.

About Product Overview

Ready Seal's Dark Walnut is a penetrating oil-based stain and sealer in one, made to soak into outdoor wood rather than sit on the surface like a film-forming finish. That penetration is what gives it UV resistance and a semi-transparent flat finish that lets the wood grain show through instead of hiding it under a painted look. It's part of Ready Seal's Goof Proof line, built to apply evenly without the lap marks and overlap streaks that plague a lot of stains, so it forgives a slower pace or a mid-job break.

This 5-gallon container covers up to 625 square feet, enough for a deck, fence, or siding job without running short mid-project, and it goes on with a brush, roller, paint pad, or sprayer depending on what the job calls for. Recoat in as little as 1 hour if a second coat is needed. Note it's not tintable, so what's in the can is the final color.

  • Color: Dark Walnut, semi-transparent, flat sheen
  • Oil-based penetrating stain with built-in sealer
  • UV resistant for lasting outdoor color
  • Covers up to 625 sq. ft. per 5-gallon container
  • Apply by brush, roller, paint pad, or sprayer
  • Recoat in as little as 1 hour; not tintable

The Details Specifications

Brand Ready Seal
Model / MPN 525
UPC 816078005256
Weight 37 lbs
Country of Origin USA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab
Price check

Go ahead. Check.

You're going to price-check us against Amazon, Home Depot, and Lowe's. Everybody does. Good — open all three tabs. We'll wait. Then look hard at what you're actually being handed over there.

On Amazon, start with these four questions before you click buy.

01

Who's actually selling it

The brand name is on the listing. A different company is in the seller field. Those aren't the same thing, and the second one is who you're buying from.

02

Whether the warranty survives

Most manufacturers only honor a warranty when the unit came through an authorized dealer. We're authorized for Ready Seal. A third-party marketplace seller usually isn't.

03

Where the box came from

Gray-market stock, returns repackaged as new, and outright fakes move through marketplaces constantly. It all looks identical in the photo. It stops looking identical when it fails.

04

Who you call when it breaks

Ours is a phone number with a person behind it who has held this product. M–F, 6 AM – 5 PM Pacific. (866) 469-8556

The big boxes don't care if your hardware store survives.

Amazon, Home Depot, and Lowe's are built to pull every hardware dollar out of your town. When the local shop can't keep the lights on, the counter where somebody actually knew which part you needed goes with it. We're built the other way: real brands so you're never stuck on a marketplace, and a straight answer to buy it down the street when that's the better call. Support independent hardware — it doesn't restock itself.

Why we tell you to shop local
Authorized dealer · Ready Seal

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Shop Local · Support Independent

Every order helps keep your local hardware store on the corner.

Why we built NHG
You might find it for less locally. Independent retailers often offer competitive pricing — some products are even cheaper in-store than online.
Real expert advice — not search results. Independent hardware staff know their inventory and the local conditions you're working in.
Keep the neighborhood working. Every dollar spent at an independent retailer returns roughly 3x more to your local economy than at a national chain.

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