Sugi 杉 - Japanese Cedar

A Wood That Built a Nation

Sugi is Japan's most culturally embedded timber. The cedar-lined avenues leading to Nikko's shrines, the ancient forests of Yakushima, and the traditional post-and-beam farmhouses of rural Japan are all been blessed with Sugi. The Japanese think of Sugi first when they think of wood. That familiarity is earned. The species has been the structural and aesthetic backbone of Japanese wooden architecture for well over a thousand years.

Sugi's visual range is wider than most softwoods. Its Heartwood runs from pale pink through warm amber to deep reddish-brown, with its sapwood offering a clean, pale contrast. The grain is straight and pronounced; distinct enough to read clearly across a room, and refined enough to work in close-detail joinery. Knotty grades carry a bold character that suits exterior applications, and clear grades from slow-grown mountain forests rival any softwood for visual refinement.

Structurally, Sugi is light, dimensionally stable, and works easily under both hand and machine tools. It takes finishes well, holds fixings reliably, and dries without the significant movement problems that plague denser species. Its tannin chemistry makes it the traditional substrate for yakisugi (shou sugi ban), the charring process taking the architectural world by storm. For cladding, interior panelling, structural framing, furniture, and feature surfaces, Sugi covers more applications with fewer compromises than any other Japanese softwood.

Getting to Know Sugi

Our Rough Sawn Sugi Grades

We mostly supply Sugi as rough lawn lumber, either kiln-dried or green (untreated) in full container loads. Availability, dimensions, and volume depend on the grade.

C-Grade (C1 and C2)

O-Grade (O1 and O2)

• Clear or near clear one side

• O1 = 100% Heartwood

• O2 = Heartwood and sapwood mix

• Suitable for cladding, interior panelling, and structural appearance applications.

M-Grade (M1 and M2)

• Full of tight, live knots

• M1 = 100% heartwood

• M2 = Heartwood and sapwood mix

• Suitable for high-end cladding and yakisugi (M1)

• 100% clear, no knots

• C1 = 100% heartwood

• C2 = Heartwood and sapwood mix

• Suitable for premium interior joinery, furniture, feature panelling.

Sugi Products (Semi-Finished & Finished)

In addition to rough sawn Sugi boards, we can supply the following Sugi products that are either semi-finished or finished. All sourced directly from our mill network and GOHO certified

Sugi Beams

Live Edge Sugi Boards

Wide live edge sugi boards from Shizuoka hill country. 300–450 mm wide, ~30 mm thick, 2–4 m lengths. Clear to near-clear with stable live knots.

Collector-Grade Sugi Slabs

Live edge Sugi slabs from the famous Yoshino mountains. Centuries-old slabs and rare pieces with verifiable provenance.

Boxed Yakisugi

Authentic charred Sugi cladding and panelling in four finishes. Shiplap joint profile. Supplied as brandable boxes. For project buyers and distribution agents.

Sugi Veneer

JAS-engineered solid Sugi beams. Slow kiln-dried. Rectangular beams from 105 × 150 mm to 120 × 390 mm, square beams 150 × 150 mm. Lengths to 6,000 mm.

Architectural-grade Sugi veneer, clear or near-clear grade. Flat sawn or quarter sawn. Various dimensions available.

Sugi Interior Mirror Panels

Quarter-sawn Sugi panels cut using the mirror-cut technique. Two sequential boards opened like a book to produce a symmetrical grain pattern. Feature wall panelling.

Ready to Specify Sugi?

Tell us your application and we'll advise the appropriate grade and dimensions. We'll respond within two business days with availability, indicative pricing, and lead time.

Phone / WhatsApp

+81 80 5744 6446

Email

grahams@north21.co.nz