When you know you want to replace your entry door, one of the most significant choices you have before you is what material the door is made from.
The short answer: White Oak is the most popular all-around choice for its natural water resistance, Sapele is the best mahogany look-alike, and Knotty Alder is the best value, though the right wood always depends on your home, your budget, and the look you want.
This material influences everything about your door's look, feel, and lifespan. Yet far too often, people focus on how a wood species looks, and ignore the other exterior door wood criteria that matters. This guide covers the wood species our clients choose most often for exterior doors, and what sets each one apart. For every option, we'll look at what makes it special. Then we'll get into the two decisions that shape the result as much as the species you pick: how to weigh upfront cost against how long a door will last, and whether to finish it with paint or stain. By the end, you'll know which wood suits your home the best.
The BasicsWhat makes a wood species good for exterior doors?
There are a lot of factors that come into play when deciding what wood species is good for your entry door, and it truly is a decision that should be personal and specific to your home. Because real wood is a natural material, it has a lot of nuances to it. That's one reason why we offer so many wood choices to begin with here at RealCraft; so that each door is suited to its owner and environment. The style of your home influences this choice to a degree, and we've created door design guides to help you with that. With all of that being said, there are a few wood species that tend to be the most popular among our clients. Let's go through them one by one.
Our selectionPopular Wood Species for Exterior Doors
01White Oak: The All-Weather Standby
Shown: San Simeon Entry Door
White Oak is the champion for exterior doors because it has natural water resistance. It's a 'closed cell' wood, which means that water rolls off of it, instead of being absorbed. This is why White Oak has been used for everything from ship building to wine and whiskey barrels. It's durable and strong. But it's also well-loved for its design versatility, because it comes in several variations:
Plain Sawn: As the name suggests, the trunk of the tree is sawn through in clean vertical pieces, which yields the maximum amount of lumber. When it comes to White Oak, this also results in a wavy grain pattern, also known as the "cathedral" pattern. It also tends to feature some knots.
Quarter Sawn: this method of cutting lumber exposes a more straight, regular grain pattern, with a distinctive feature totally unique to White Oak: flecks, or rays, that run perpendicular to that grain pattern. Rift sawn, another more premium option with a straight grain but without the rays of Quarter Sawn, is also available upon request.
Knotty White Oak: We select the Plain Sawn pieces with more knots and reserve them for this option. If you want a rustic look, with all the strength that White Oak has to offer, this is the one for you.
02Sapele: A Sustainable Alternative To Mahogany
Shown: Chiron Round Top Door
Sapele, also commonly called Sapele Mahogany, looks very similar to true Mahogany. And we prefer it to genuine Mahogany for a few reasons, the first being that genuine Mahogany was over-harvested for decades and is now incredibly scarce. (Our Sapele, by contrast is Forest Stewardship Council Certified.) The second reason we love it for exterior doors is because it's strong, stable, and beautiful, with auburn red tones and shimmering streaks of golden brown throughout the grain. Ours is quarter-sawn, revealing a straighter grain pattern than what is found on plain-sawn boards.
03Douglas Fir: Rustic Character
Shown: Telluride Shaker Door
Our Douglas Fir has a clear, straight grain and a light brown color, tinged with red. Douglas Fir is very stiff and strong for its weight, so it's especially well-suited to very large formats like carriage doors, or pivot doors. But Douglas Fir is also ideal for any rustically-inclined design styles, such as farmhouse or mountain modern. Its clean look works well for doors on Scandinavian and Mid-Century-Modern homes, too.
04Black Walnut: The Height of American Luxury
Shown: Craftsman Traditional Dutch Door
Black Walnut is the most sought-after premium American hardwood. It boasts color as rich as any exotic import, with a softly luminous natural sheen and blonde streaks throughout. Because it's a smaller tree in diameter than that of many others used to harvest lumber, it's also likely to feature knots for larger scale applications like doors. The knots beautifully showcase the wood's authenticity and unique character.
05Knotty Alder: The Low Cost Alternative
Shown: Rodanthe Pivot Door
Red Alder, or Knotty Alder, grows in abundance in the Pacific Northwest. It has a honey brown coloration with knots studded throughout. Because it's so plentiful, Knotty Alder is a lower-cost option, especially if you want a large-format door, like a pivot door or set of double doors. And because it stains well, you can stain it to be darker or more vibrant, similar to premium woods. It's a more budget-friendly option with the same superior quality of solid, genuine hardwood.
Cost Vs Lifespan: Deciding What's Worth It
The price of a wood species is the first number most people look at, and for many, it's the only one. But the sticker price mostly reflects how scarce a species is, or how striking the grain looks. And that isn't the same thing as how well a door will hold up over the decades you will own it. It's true that some of the upscale wood species options also have superior strength and longevity. Many exotic imports are prized for their superior water resistance and strength. It's difficult, though, to make direct comparisons, because wood is a natural material, and all natural materials have essential variation. A well-maintained Knotty Alder door can last just as long as a Padauk one.
Another component to consider is the relative stability of the wood's appearance over time. Some woods, like Padauk and Cherry, will darken with UV exposure, losing their vibrant red hues and trending to a dark-brown with red undertones. Other woods, like Black Walnut, will lighten with UV exposure. So if you want your door to always look the same as when you bought it, you'll want to avoid these options. If, however, the natural evolution of this unique material appeals to you, then the UV-sensitive woods can be worth it.
If you expect your door to have a lot of incidental contact (if you own a dog, for example, or you're the kind of person who is perhaps prone to door-dinging their car), then it's best to choose a more stiff wood as opposed to a soft one. We love Western Red Cedar for how it looks, and it's so lightweight that it's ideal for very large doors. However, because it is quite soft, that means it's not best for applications where it could get scratched often. Douglas Fir has a similar caveat to it because of its softness, and Knotty Alder is also on the softer side.
FinishingPaint or Stain? What Makes Sense For Your Exterior Door
It's one of the most significant design choices you'll make: should you stain your door, or paint it? While we'll admit that we're partial to a stained door, paint has a time and place. This is because paint offers the longest-lasting protection for true timber wood doors over stain. A painted entry door needs re-painting every seven or so years, while stained doors will almost always require maintenance much sooner than that. Still, there's no denying the beauty of real wood, enhanced and protected by a stain.
Whichever finish you choose, paint or stain, you should know that it's important to protect a wood entry door from direct exposure to the elements regardless. Most door builders, from specialty artisanal outfits like RealCraft to large scale door distributors, do not warranty wooden entry doors that face direct sun or weather exposure. You'll need an overhang of some kind to protect your investment, and to preserve the performance of your chosen finish for as long as possible.
FAQBest Wood for Exterior Doors FAQ
What is the best wood for an exterior door?
There's no single best wood for every home. The right choice depends on your home and how it's situated, your budget, and the look you want. That said, White Oak is the most popular all-around option, because its closed-cell structure resists water better than most species. If you want the look of mahogany, Sapele is a strong choice, and for tighter budgets, Knotty Alder is hard to beat.
Is White Oak a good choice for an exterior door?
Yes. White Oak is one of the most dependable woods for exterior use because it's a closed-cell wood, so water rolls off the surface instead of soaking in. That's the same property that made it a traditional choice for boat building and whiskey barrels. It's also strong, and it comes in several grain patterns, from the wavy cathedral look of plain sawn to the straight grain and ray flecks of quarter sawn.
Can I use an interior door outside?
No. Interior and exterior doors are built differently. An exterior door uses a different thickness, a finish made to handle sun and rain, and glass panels made just for outdoor conditions. An interior door put to work as an entry door is likely to warp, so the two aren't interchangeable.
How often does an exterior wood door need to be refinished?
It depends on the finish. A painted door generally needs repainting about every seven years. A stained door usually needs attention sooner, since stain offers less protection than paint. Exposure matters too. A door tucked under a covered porch or overhang will need less upkeep than one that faces direct sun and weather all day. RealCraft, like most door builders, does not warranty entry doors without an overhang.
Which wood is best for a large door, like a pivot or carriage door?
For oversized doors, weight and stiffness matter as much as appearance. Douglas Fir is stiff and strong for its weight, which makes it well suited to large formats. Knotty Alder is a budget-friendly option for big doors, since it's plentiful and takes stain well. Western Red Cedar is very lightweight, which helps on a large door, though it's soft and scratches more easily, so it's better where it won't take much contact.
Built to Order in Gig Harbor, Washington
Every RealCraft exterior door is made to order from solid wood by a small team of expert artisans in Gig Harbor, Washington. Order samples to see and feel these wood species in person before you decide.
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