Spruce vs Fir: Which Wood is Best for Your Home Renovation?

Transforming a room into the living space of your dreams should be enjoyable. And while there are numerous types of materials to choose from, deciding what works best for your home doesn’t have to be stressful.

Two types of wood planks popular throughout the U.S. and Europe are Spruce and Fir. With a wide range of interior and exterior applications, cost considerations, and environmental impacts, it’s important to know the facts so you can make an informed choice.

Did you know? Spruce is one of the most common materials used in soundboards when building musical instruments, including pianos, guitars, and violins.

To help you find the perfect wood for your project, we’ve put together an in-depth comparison of Spruce and Fir. We’ll look at both interior and exterior applications, compare costs associated with each option, discuss maintenance requirements and more.

Spruce vs Fir: Overview

Spruce and fir are two of the most popular woods used in construction. Each possesses their own properties that make them well-suited for a variety of applications. Spruce and fir have distinct physical traits, but both are robust and resilient. They’re both great choices for a wide range of interior and exterior home improvement projects. Knowing the differences between these two woods will help you choose a material that’ll enhance your living space.

Definition of Spruce

Spruce is an evergreen coniferous tree belonging to the genus Picea. It has thin needles with rounded tips, small cones, yellowish-brown bark, and reddish-brown heartwood. Spruce wood is light, structurally strong, and well-suited for construction projects – from flooring to musical instruments.

Definition of Fir

Fir is also an evergreen coniferous tree belonging to the genus Abies. It features flat needles with pointed tips, large cones, grayish-white bark, and pale yellow sapwood – depending on the species type. Fir wood is durable, weather-resistant, and rarely splits. Its superior durability means less maintenance and a lower cost in the long run.

Physical Characteristics

Spruce and fir trees grow quickly and are readily available in most locations. Both woods are strong and capable of supporting heavy loads if properly treated prior to installation. They do differ in terms of decay resistance though. Spruce wood has the tendency to rot if not properly cared for, whereas fir’s durability offers added protection. This makes fir an excellent choice when used in heavy duty projects like outdoor furniture and ceiling joists. Anything requiring heavy structural support would be best met with fir wood planks.

Generally speaking, spruce and fir are both resistant to insects and moisture. Fir trees are more durable though, and may be a better choice if decay is a concern. This is especially important when deciding what wood to use in an exterior application where extreme weather conditions are common. Fir is much less likely to warp over time from repeated expansion and contraction.

Fir and spruce are two of the most frequently used woods in home building and their strength, durability, and unique properties make both good options. Knowing that, let’s explore some popular exterior and interior applications where spruce and fir can be used.

Key Takeaway: Spruce and fir are two popular types of wood used in construction throughout the United States and Europe. Each offers unique physical traits, durability, and strength. Spruce is strong but lightweight, and fir comes with enhanced durability.

Uses of Spruce and Fir

Spruce and fir both offer a variety of advantages depending on their application. Spruce is often chosen for its structural strength and decorative grain. Fir, on the other hand, is widely known for its durability and resistance to weather and rot.

Interior Applications

Spruce is a great choice for homeowners looking for distinct wood planks to use for flooring. Its straight grain stands out after being finished, and high structural strength means it’ll maintain its look for years.

Fir is the go-to material for projects that require heavy structural durability. It’s robust, doesn’t split easily, and naturally resistant to weather and rot. Grain patterns vary depending on how it’s cut, so fir can add a lot of character to any room.

When it comes to wall paneling, both spruce and fir have their benefits. Fir offers a natural look while spruce provides an elegant finish with subtle grain patterns.

Key Takeaway: Spruce and fir offer distinct benefits for interior applications, with spruce providing greater durability and strength for flooring while fir offers a softer texture suitable for areas subject to high foot traffic. For ceiling beams or joists, spruce is the better choice due to its superior weight-bearing capacity; however both require regular maintenance such as cleaning or staining in order to keep them looking good over time.

Exterior Applications

When picking a type of wood for structural projects like ceiling beams and joists, fir is a better choice. It boasts greater strength and stiffness than other woods like pine or cedar, and is more resistant to rot and severe weather conditions. These properties make it the perfect choice for structural support. 

Fir can also be used as exterior siding because of it being lightweight yet strong. The natural color variation between sapwood and heartwood makes fir an attractive option for homeowners looking for something unique but classic. 

Spruce has a lower density and weight-bearing capacity, so it’s not as frequently used in exterior applications where heavy loads are present. For exterior projects that are focused more on decoration instead of functionality though, spruce is a great option. It’s an ideal choice for siding or trim boards due to its overall low cost and beautiful grain patterns that add visual appeal to any home.

When constructing outdoor structures such as decks or fences, both spruce and fir offer excellent nail-holding capabilities. However, if you want your decking or fencing project to stand the test of time, fir may be a better option due to its superior durability and rot resistance. Exposure to water and high humidity levels can quickly cause rotting and warping unless your planks are properly treated. It’s important to take all of these factors into consideration when deciding which material is best for your home.

Key Takeaway: Spruce and fir are both excellent choices for exterior projects, such as siding or trim boards, due to their strength, durability and nail-holding capabilities. Spruce, though, has the advantage of being better able to withstand wetness and moisture when compared to fir over an extended period.

Spruce and fir are excellent choices for interior and exterior applications, offering a variety of options to suit any project. But which one is more cost effective when working with a tight budget? 

Maintaining Your Spruce and Fir Planks

Both spruce and fir require regular maintenance, but they differ slightly in what type of care they need. Spruce needs more frequent cleaning to keep it looking its best, while fir doesn’t usually require more than occasional staining or sealing treatments. Properly maintaining your wood planks will protect them against weather damage and rot caused by moisture exposure over time. These tasks might seem tedious in the moment, but they’re essential in keeping your spruce or fir planks beautiful.

Cost Comparison of Spruce vs Fir

When looking at the cost differences between spruce and fir, a variety of factors have to be taken into account. Price per square footage will differ depending on the grade and sourcing location.

In general, fir may be slightly less expensive. This is particularly true when compared to higher grade spruce. Ultimately though, total cost will depend on location and what type of grade you’re looking for. 

Pro-tip: Visit your local home improvement stores and ask about bulk pricing. Many locations will offer cheaper prices than they list for everyday projects.

The cost of installation services can vary depending on who you hire and what type of job they’ll need to do. For example, installing flooring made from either spruce or fir could require different types of tools or techniques depending on which material is chosen. If you hire a professional installer specializing in a particular type of wood, prices will be higher. You want your project to be completed quickly and done the right way, so be sure to shop around before settling on a contractor. 

For homeowners who don’t mind a little DIY, installation costs are reduced dramatically since there will be no labor fees. However, keep in mind that proper knowledge about how to properly install spruce and fir is vital to being happy with your finished product.

When picking the ideal material for your residence or workspace, weighing the expense of spruce versus fir is a critical factor to consider. It’s essential to evaluate the costs and benefits associated with each material before deciding which is best for you.

Key Takeaway: Price of spruce and fir planks will vary greatly depending on where you purchase them, who you choose to hire as an installer, and the quantity of wood you need. Generally speaking though, fir is often a more affordable option. If you want to save even more money, consider installing your planks yourself.

Environmental Impact of Spruce and Fir

When it comes to sustainability and environmental impact, spruce and fir are similar. Harvesting of trees is done only when they’ve matured or are in a state of ill-health, so the forest isn’t over-utilized and the ecosystem stays healthy. Additionally, both materials have low carbon footprints compared to other building materials such as steel and concrete.

In terms of recyclability, both spruce and fir can be reused in various ways depending on their condition after being removed from a structure. For example, wood planks can be cut into smaller pieces for use in furniture construction or firewood for heating homes during cold winter months. Furthermore, sawdust created during the milling process can also be used as mulch in gardens or composted for fertilizer.

Spruce vs Fir FAQs

What is the difference between fir and spruce?

Woods like fir and spruce can be employed in numerous home improvement projects. Fir is a strong and durable wood with a straight grain. It usually comes with a light-yellow or reddish-brown coloration with yellow sapwood. Spruce tends to be lighter in weight than fir while having an even finer texture. Its decorative grain allows for greater variety and can easily add character to any application. This makes it a great choice for projects like flooring, siding, and crafting musical instruments.

Are Christmas trees fir or spruce?

Fir and spruce trees are both evergreen conifers that are commonly used as Christmas trees. Fir trees have flat, needle-like leaves with a distinct citrus scent when crushed. Spruce trees have pointed needles and can range in color from blue to green to yellow. Both types of tree retain their needles for several weeks after being cut down, making them ideal for holiday decorations.

What are the cons of spruce trees?

Though aesthetically pleasing, spruce trees may need to be pruned and maintained more regularly due to their fast-growing branches and shallow root systems. Left unchecked, this can cause them to topple in high winds or heavy snowfall. Additionally, spruce trees don’t tolerate wet soils well and may suffer from root rot if planted in areas with poor drainage. Lastly, the needles of spruce trees are sharp which makes them a less desirable choice for children’s play areas or in high-traffic areas like walkways.

What’s special about spruce trees?

Shallow root systems make spruce trees a nice choice for landscaping around a home. They grow quickly, have thin needles, and can reach heights of up to 200 feet in some cases. The wood from spruce trees is known for being lightweight yet strong, so using it for flooring and furniture making is ideal. It’s even been used in aircraft manufacturing! Spruce wood is also recognized for its stunning grain patterns. Decorative applications where structural integrity isn’t as important are perfect uses for spruce wood planks.


Spruce and fir are both great options for a variety of interior and exterior applications. Depending on the project, budget, and whether environmental impact is a factor, one will likely stand out as a better choice for your home. Fir tends to cost less and is more durable, but spruce adds decorative flair and adds to the beauty of any room. Whatever you choose, be sure to carefully consider the needs of your project before deciding between these two woods.

Transform the look of any wall or ceiling in your home or office with Stikwood’s easy-to-install wood planks. Choose from spruce and fir for a beautiful, natural finish that will last for years to come!