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Scandinavian thermally modified timber

Lunawood Collection

Lunawood Collection is based on Scandinavian design combined with the best technical properties of thermally modified wood – all to meet the needs of modern architecture. Our select Lunawood Collection tongue and groove and open rainscreen profiles offer architects and self-builders a contemporary and innovative range of cladding solutions.

At a glance


Nordic Pine and Spruce



Modified timber



Heartwood of Nordic Pine and Spruce, thermally modified to create a dimensionally stable timber free from resin.


Uncoated boards have a uniform dark honey brown colour which will weather to grey.


Sustainably sourced from well managed forests (PEFC certified).

SiOO:X coating

Lunawood Collection can be coated onsite only with SiOO:X Original.


Exceptional durability (Class 2 BS EN 350) due to thermal modification.

Paint coating

On-site paint application is possible, however Lunawood Collection is most commonly left uncoated to weather to a beautiful silver colour.


Prominent figuring with an abundance of structurally sound live round and splay knots, some of which display cracks and chipped-off edges after machining. An occasional dead knot cannot be ruled out.


Low - classified by BS EN 350-2 as approximately 420 Kg/m³ at a moisture content of approximately 6-8%.

Fire retardant coating

Lunawood Collection can be treated with a fire retardant coating.


The range of versatile tongue and groove profiles are ideal for projects seeking a contemporary aesthetic.


Thermal treatment results in substantially reduced swelling and shrinking of the timber, reducing dimensional movement by up to 50% resulting in a very stable timber.

Surface finishes

Lunawood Collection is supplied in a planed finish. Some profiles can be wire brushed.

See how Lunawood Collection compares with other species

Expert View

Lunawood ThermoWood® Collection provides natural luxury from sustainably managed Finnish forests. Dimensional stability, durability and sustainability makes Lunawood a long-lasting and beautiful choice with low maintenance for decorative surfaces in interior and exterior applications.
Image of Matias Laaksonen Matias Laaksonen Lunawood Design & Project Specialist

Profile options

Lunawood Collection is available in a narrow open rainscreen, as well as a range of tongue and groove profiles which can be used to create a variety of modern cladding arrangements.

Surface finishes

Most profiles in the Lunawood Collection is supplied with a smooth, planed surface. Some profiles can be wire-brushed.


Planed boards are run through our planing mill to create a smooth, dressed finish.
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Wire brushed

Wire brushing accentuates the grain and creates a beautifully textured surface.
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Recommended fixings

How timber is fixed is fundamental to its long-term performance in terms of both appearance and durability. Explore Russwood's recommended secret-fixing options for a contemporary aesthetic without visible fixings, and face-fixing options for effective and neat detailing with precision-engineered visible fixings.


Secret fix

An innovative secret-fix solution for open rainscreen cladding.

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L-GoFix® A2 Screws

Face fix

Cladding screw for effective fixing and neat detailing.

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Face fix

Compensation strip designed to prevent direct contact between timber elements.

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Russwood Battening System


Environmentally friendly, engineer-assessed, method of fixing timber cladding.

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F-BohrFix® ZB Screws

Secret fix

For optimal fastening of tongue and groove cladding.

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L-BohrFix® A4 Screws

Face fix

A highly corrosion resistant screw for special applications.

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Frequently asked questions

How much is Lunawood Collection cladding?

Lunawood Collection starts from £43 per m² excluding VAT, based on a minimum quantity of 50 m². Prices are subject to change due to the fluctuating prices of timber and should be used as a guide only. For the most up-to-date prices please contact our sales team.

Can you help with NBS specification?

Yes, Russwood’s dedicated Architect Liaison Team can assist architects with selecting the best timber cladding species, coatings and fixings for their projects, ensuring both the performance and aesthetic requirements are met. We can also assist with writing the H21 (external timber cladding) National Building Specification (NBS). Find out more about the services we offer to architects.

How do I order Lunawood Collection cladding?

To receive a quotation or to place an order, get in touch with our Technical Sales Team who will be happy to assist.

Can I order a sample of Lunawood Collection cladding?

Samples can be ordered by contacting our sales team who can assist with selecting the most suitable cladding for your project and send out appropriate samples. 

How does Lunawood Collection compare to other timber species?

Our handy Cladding Comparison table allows you to compare species information and timber properties at a glance.

Where do you deliver to?

We offer UK wide delivery on all of our products. Please contact our sales team for a quote.