Western Red Cedar siding on a modern home, highlighting its rich grain and natural weather resistance. — Western Red Cedar exterior siding.

A GUIDE TO WOOD SIDING

Natural timber brings warmth, texture, and timeless appeal to any building. As a siding material, wood delivers a unique combination of beauty, durability, and sustainability. Understanding the nuances of different wood siding options is important. Here we explore the primary types of wood siding, their ideal applications, and key considerations for achieving a lasting and impactful result.

Vertical siding, adding perceived height to a surface.

WHY CHOOSE WOOD SIDING?

Timber is one of the few building materials that is both renewable and carbon-storing. It provides a natural, breathable barrier against the elements while adding depth and character to residential and commercial exteriors. When properly detailed and maintained, exterior timber siding offers long-lasting performance, excellent insulation, and unmatched design flexibility:

Aesthetic Versatility: Wood offers countless textures, colors, and profiles to complement any architectural style.
Proven Durability: Species like Western Red Cedar and modified woods such as Accoya offer natural resistance to weather and decay.
Sustainability: Responsibly sourced timber supports sustainable construction goals.

Western Red Cedar adding natural warmth and durable, timeless style to an exterior.

TRADITIONAL WOOD SPECIES FOR SIDING

Selecting the right species is fundamental to the performance and appearance of the siding. Each wood carries its own distinct characteristics:

Western Red Cedar: Known for its rich color tones and exceptional dimensional stability, Cedar is naturally resistant to decay and insects. It is lightweight and easy to work with, making it ideal for high-end exteriors.
Alaskan Yellow Cedar: Known for its strength and fine, uniform texture, this species provides excellent durability and a consistent appearance that weathers gracefully.
Douglas Fir: With a high strength-to-weight ratio and a tight, straight grain, Douglas Fir is an excellent choice for both structural and decorative applications. Its warm reddish-brown hues add visual warmth.
Accoya: This modified wood undergoes an acetylation process that transforms sustainable softwood into a high-performance material. Accoya boasts exceptional stability, resisting swelling and shrinking, and has superior resistance to rot and decay, even in ground contact.

Naturally weathered cedar shingles showcasing a soft grey patina

SIDING PROFILES AND THEIR DESIGN IMPACT

The profile of the siding dictates the rhythm, shadow lines, and overall character of the exterior:

Bevel: This classic profile consists of overlapping horizontal boards that create strong shadow lines and provide excellent weather protection.
Tongue & Groove (T&G): T&G boards fit together for a clean, modern look with minimal gaps. It can be installed vertically or horizontally to create different visual effects. Vertical installation can make a structure feel taller, while horizontal lines can emphasize length.
Shiplap: Featuring an overlapping joint, shiplap provides a softer, more rustic feel while ensuring a weather-tight seal.
Channel: This cladding profile features a recessed, shadowed groove between boards that creates strong horizontal or vertical lines. Its distinctive shadow-line effect adds depth and texture.
Sidewall Shingles: Thin, uniform shingles applied to vertical surfaces to create a textured, layered finish. Their natural variation and shadow lines add warmth and character to a building’s design, offering a timeless, handcrafted look. Available in Western Red Cedar and Alaska Yellow Cedar.
Board & Batten: This vertical layout, with wide boards covered by narrower "battens" at the joints, adds height, rhythm, and bold textural contrast.

FINISHES: FROM NATURAL WEATHERING TO BOLD COATINGS

Wood siding can be left to evolve naturally or customized with different finishes. For the most consistent and long-lasting results, factory-applied coatings on kiln-dried timber are recommended.

Natural Weathering: Untreated, durable species will gradually weather to a soft, silver-gray patina, blending the building into its natural surroundings.
Translucent Stains: These finishes enhance the natural grain and color of the wood while providing UV protection.
Opaque Coatings: For a bold finish, opaque coatings offer solid color while still allowing the wood’s texture to show through.

A FOUNDATION FOR TIMELESS DESIGN

By carefully selecting the species, profile, and finish, you can design exterior surfaces that are durable, sustainable, and rich with character. Wood provides a versatile and reliable solution for lasting impression and value.