38 Types of Wood: Classification by Hardwood, Softwood, and Key Properties

Wood remains one of the most versatile building materials available, with over 60,000 tree species worldwide producing timber of varying qualities. From structural framing to fine furniture, the choice of wood type directly affects durability, appearance, and cost. This article examines 38 distinct types of wood, their physical properties, density ranges, and typical applications. Understanding these differences helps architects, builders, and homeowners make informed decisions. For modern construction contexts, engineered alternatives such as what is engineered wood, its types, applications, and performance compared to solid wood provide additional options for projects requiring dimensional stability and consistent performance.

Hardwood Species for Structural and Interior Applications

Hardwoods come from deciduous trees that shed leaves annually. They generally offer greater density, strength, and longevity than softwoods, making them preferred for flooring, cabinetry, and structural elements where wear resistance matters. Selecting the correct hardwood for wood flooring options including solid hardwood, engineered wood, parquet, and bamboo flooring materials and installation depends on both the expected traffic level and desired aesthetic.

Akasa Wood is an Australian native heartwood with grey-brown color and straight grain. With a density of 700 kg/m³ at 12-15% moisture content, it offers extreme durability suitable for dining tables, benches, flooring, and veneer plywood. When properly maintained, Akasa furniture lasts decades.

Ash Wood presents a light beige to light brown color with open grain structure and distinctive luster after smoothing. It ranks 1320 on the Janka hardness scale and accepts stain easily, making it popular for furniture, cabinets, and flooring.

Beech Wood is the most widely utilized hardwood in Europe. Its combination of hardness, wear resistance, strength, and excellent bending capabilities makes it ideal for cooking utensils, cabinetry, and furniture. Density ranges from 700 to 900 kg/m³. Heat treatment produces a distinctive red color.

Cherry Wood ranges from light pink to rich reddish-brown with straight grain that may contain pith flecks and tiny gum pockets for random patterning. It is soft enough for easy carving yet hard enough to hold its shape, with a density of 630 kg/m³.

Maple Wood is one of the hardest Canadian species with high impact resistance. It is straight-grained with irregular patterning including fiddle back and bird’s eye patterns. Density measures 689 kg/m³, with light brown heartwood and thin white sapwood tinged reddish-brown.

Oak Wood and European Oak represent the most familiar construction hardwoods. Oak is straight-grained with light to medium brown color, very heavy and hard-wearing at 897 kg/m³. European Oak is somewhat lighter at 720 kg/m³ with pale yellow-brown color used for furniture, flooring, barrels, boatbuilding, and fencing.

Walnut Wood achieves the richest dark tones through a combination of dark chocolate heartwood and creamy brown sapwood, with irregular waves and curls producing ranging grain patterns at 689 kg/m³ density.

Softwood Species Widely Used in Construction

Softwoods come from coniferous or evergreen trees with needle-like leaves. They grow faster than hardwoods, cost less, and dominate structural framing, decking, siding, and joinery. For specialty decorative applications, different types of tiger wood offer striking grain patterns that rival exotic hardwoods despite belonging to the softwood category.

Cedar Wood encompasses over 15 species with pinkish-red color, lightweight texture at 380 kg/m³, and natural insect-repelling aromatic properties. It is used for fencing, decking, siding, trim, and clothing storage due to its rot resistance.

Douglas Fir provides excellent quality for sashes, doors, and windows. It has light reddish-brown color at 510 kg/m³ density and produces general millwork, flooring, furniture, interior and exterior joinery, and plywood.

Pinewood is an inexpensive and widely available option varying from yellow to reddish appearance at 990 kg/m³. It withstands wear and denting well in high-traffic areas for doors, windows, partitions, decks, railings, and paneling.

Pitch Pine offers better strength and durability compared to major pines at 590 kg/m³ for commercial construction, pulpwood, and crating. Sitka Spruce provides close straight grain with a high strength-to-weight ratio at 347 kg/m³ for shipbuilding, general construction, and plywood.

Western Red Cedar is a reddish-brown softwood at 330 kg/m³ for roofing shingles and exterior cladding. Western Hemlock is pale brown at 420 kg/m³ for construction, roof decking, and plywood. European Redwood ranges from pale yellowish-brown to red-brown at 520 kg/m³ for decking, structural beams, and furniture. Southern Yellow Pine at 670 kg/m³ serves pallets, crating, and packaging with minimum defects.

Tropical and Exotic Wood Species

Tropical woods offer unique combinations of strength, rot resistance, and appearance unavailable from temperate species. Many originate from Africa, Southeast Asia, and South America. For outdoor structures where wood meets moisture, understanding how to tile over a wood deck for outdoor ceramic tile installation on wood framing expands design possibilities in wet zones.

Bamboo is a giant woody grass with hollow jointed stems. It has compressive strength twice that of concrete and tensile strength near steel, with density of 1160 kg/m³ at 7% moisture content. It is cheap, fast-growing, and suitable for scaffolding, roofing, and flooring.

Brazilian Mahogany is denser than African mahoganies at 472-549 kg/m³ depending on age. It has reddish-brown to pale pink color for boats, furniture, and musical instruments. Greenheart from Guyana is dense yellow to olive green hardwood exceeding 960 kg/m³, used for bridges, marine construction, and freshwater pilings. It withstands insect attacks effectively.

Iroko Wood from West Africa is a yellow-brown hardwood at 660 kg/m³ often used as a cheaper alternative to teak for outdoor gates and infrastructure. Khaya Wood is similar to Honduras Mahogany at 812 kg/m³ for beams, door frames, and shelving. Meranti Wood from Southeast Asia includes dark red, yellow, and light red subspecies at 710 kg/m³ for molding, furniture, and windows.

Opepe Wood from West Africa has golden-yellow to orange-brown color at 750 kg/m³ for heavy construction, marine work, and flooring. Okoume Wood from Gabon has salmon pink color at 430 kg/m³ for producing veneer sheets. Sapele Wood is medium reddish-brown at 640 kg/m³ with marked stripe figure for interior joinery and furniture. Teak Wood from Burma and Thailand has tawny golden color at 740 kg/m³ for outdoor furniture and boat decks.

Lightweight and Utility Wood Species

Not all wood types serve structural roles. Lightweight and utility species fill specialized niches where ease of handling, cost efficiency, or specific aesthetic effects matter. For exterior cladding applications, beveled wood siding types and installation as classic exterior cladding demonstrates how softer woods can perform well in protected conditions.

Balsa Wood is the lightest and softest hardwood at 120-160 kg/m³ despite its classification. It is fast-growing from the Americas and used for buoys, rafts, surfboards, model airplanes, and sound insulation.

Celtis Wood includes nearly 60-70 deciduous species called hackberries. It ranges 600-785 kg/m³ with yellowish-grey heartwood and fine lustrous texture for interior joinery and trims. Conifer Wood at 480 kg/m³ is relatively homogeneous in structure with mostly tracheids, used for boxes, crates, and paper.

Dahoma Wood has coarse interlocked grain at 730 kg/m³ with yellowish-brown streaky heartwood for exterior structural timbers, mining timbers, and marine work. Danta Wood at 750 kg/m³ has light brown sapwood sharply derived from reddish-brown heartwood for joinery, cabinetwork, benchtops, and boat components.

Elm Wood at 560 kg/m³ ranges from light to medium reddish-brown heartwood with off-white sapwood. Its interlocking grain includes knots and burrs, used for boat construction and farm buildings. European Beech at 752 kg/m³ is white to pale brown for furniture, joinery, flooring, and plywood.

Ligneous Wood includes bagasse, bamboo, cereal straw, and flax shives from ligneous plants, very cheap and affordable for cupboards and kitchen cabinets. Poplar Wood at 500 kg/m³ is pale, light, and very soft for joinery, furniture interiors, packing cases, and plywood production.

Comparing Wood Properties: A Reference Table

The table below summarizes key density and hardness characteristics for representative species from each category, allowing direct comparison. For log home construction, seven types of popular log home wood demonstrates how different species perform in full-log structures where insulation and settling behavior matter as much as strength.

When restoring older structures, understanding the original wood species is critical. A complete guide to wood window repair for restoring historic wood windows provides detailed procedures for matching repair materials to existing sash and frame wood types.

Selecting the Right Wood for Every Application

Choosing the correct wood species requires balancing multiple factors beyond appearance. Density correlates directly with hardness and durability but also with weight and workability. Moisture content affects dimensional stability, which is why kiln-dried timber is specified for interior joinery while green timber serves certain structural applications.

For interior applications such as furniture and cabinetry, Akasa, Cherry, Maple, Beech, and Walnut offer excellent machining characteristics and finish retention. Oak remains the benchmark for flooring because of its wear resistance and availability in multiple grades. For exterior work, Teak, Iroko, Greenheart, and Western Red Cedar provide natural decay resistance without chemical treatment.

Cost considerations often guide species selection. Pine and Poplar serve as affordable options for painted interiors where strength requirements are moderate. Douglas Fir and Southern Yellow Pine offer structural-grade performance at middle price points. At the premium end, Teak, Brazilian Mahogany, and Walnut command higher prices for their unique appearance and durability.

Availability varies by region. European species such as Beech, European Oak, and Scots Pine dominate temperate markets. Tropical hardwoods including Meranti, Sapele, and Okoume are imported globally for specialized uses. Local building codes may restrict certain imported species due to sustainability concerns, making plantation-grown alternatives increasingly popular.

Wood remains a renewable building material when sourced from responsibly managed forests. The 38 species covered here represent only a fraction of available options, but they encompass the majority of commercially significant timber types used in construction and furniture worldwide. Whether building a structural frame, installing decorative paneling, or crafting fine furniture, matching the wood species to the specific demands of the application ensures long-lasting results. For existing wood structures needing renewal, restoring wood shingle siding and bringing exterior wood surfaces back to life offers practical techniques for extending the service life of aged timber.