Hemlock Timber Guide

Everything you need to know about hemlock timber. Modinex offers a range of innovative profiles in Hemlock for out-of-weather
applications. There are so many reasons to choose Hemlock.

Hemlock Timber Benefits

Please note Hemlock is suitable for indoor and out of weather applications only. For external cladding Thermally Modified Hemlock is available.

Smooth Surfaces

Hemlock has a smooth texture and straight, fine-lined grain. Naturally light blonde in colour, Hemlock’s uniform surface offers a consistent finish. The fine grain texture can also be sanded to a silky, reflective surface, creating a light and welcoming ambience.

Easy To Work With

Hemlock offers outstanding physical properties. It’s practical, grows harder with age and possesses great wear resistance. Hemlock is strong. Instances of warping and twisting are low. Hemlock responds well to planing and moulding and can be both screwed or nailed.

Ideal For Coating

Hemlock has a smooth texture and straight, fine-lined grain, making it the ideal substrate for coating and staining. Achieving the perfect finish is easy with Hemlock. The straight grain and even surface texture are complemented by non-resinous and non-tainting surface properties when dried.

Sustainable Qualities

Cedar Sales are leaders in sustainability. As such, our complete range of Hemlock has certified sustainable properties. Choose Cedar Sales Hemlock for improved Green Star rating with PEFC™ and GreenTagCertTM Certification.

Affordable Quality

Hemlock is more affordable than most premium timber species. Innovation, style and quality are hallmarks of the Cedar Sales brand. Our stunning range of Hemlock profiles offers all of these properties plus outstanding value for money.

Hemlock Timber Technical Information

Hemlock (Tsuga heterophylla)

Western Hemlock – a softwood that produces a beautiful pale timber with a uniform, attractive grain perfect for a wide range of commercial uses from pulp and construction to furniture and carving. The timber is used in construction but as a softwood is not durable and requires treatment for external use. Ideal for internal paneling. Light in weight and straight grain, workability has been compared to that of pine – it is resistant to splitting, holds nails and screws securely and saws easily without splintering. Attractive, delicate, dark grey or black streaks may be apparent in the wood. There is little variation in colour between the heartwood and sapwood, and they are often indistinguishable from one another.


Physical Properties

  • Dry Density: 500 kg/m³
  • Janka Dry Hardness: 2.6-3 kN

The Janka rating is the hardness level given to each species. The higher the number, the greater the hardness.

Fire Test Certificate
Fire Test Report

Colour Range lustrous pale cream colour
Janka (Hardness) Rating – Dry 2.6-3
Natural Durability Class In-ground contact 4
Outside above ground contact 4
Density (kg/m3) Unseasoned (Green)
Seasoned (Dry) 350
Strength Group Unseasoned (Green) S6
Seasoned (Dry) SD6
Joint Group Unseasoned (Green) J4
Seasoned (Dry) JD4
Fire Indices Spread-of-Flame Index 9
Smoke-Developed Index 3
Critical Radiant Flux
Smoke Development Rate <250
Group Number 3
Naturally bushfire-resisting Timber unknown
Tangential Shrinkage % 5.0
Toughness (Nm) Naturally Unseasoned (Green) 15
Seasoned (Dried) 15
Naturally Termite Resistant to AS3660R = Resistant

NR = Non resistant

Naturally Lyctus SusceptibleS = Susceptible

NS = Non susceptible