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Charred / Burnt Cladding
also known as Shou Sugi Ban
A specialist and bespoke manufacturing process.


ThermoWood Pine Softwood
ThermoWood Ash Hardwood
Thermowood Tulip Hardwood

Board Thickness: 21mm
(Thicker sections are available on request)
Board widths: 92mm, 115mm, 130mm, 150mm

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“As an architect I deal with a lot of companies, a lot of products and a lot of different locations. At first I was unsure about Charred cladding because I wasn’t sure how it would keep in the rain and damp environment. After carrying out a couple of experiments with QTD who kindly provided me with large samples and a lot of advice I was very pleased wth the result. My client was convinced this is the product he’d like to use and I was more than happy to go ahead. The project had an outstanding finish and the charred cladding looked smart to say the least. I will continue to recomend Charred to all future clients and I was extremly pleased with all the help and advice provided by the QTD Staff.”

– Hannah J, Leeds

“With help from the team at QTD and their eye for detail our summer house is flawless, ThermoWood Ash heavy Charred has a gorgeous snake skin effect and it looks incredible in the sun. The team were happy to answer the 200 questions I had and it was their outstanding customer service that made this project stress free. I would like to give a massive thanks to everyone for their support.”

– Louise G, Brighton

Client Feedback

Product Description

For centuries the Japanese perfected the art of charring/burning wood (known as Shou-Sugi-Ban) in order to make the wood resistant to fire, rot, insects and the UV effects from the sun. The process of charring/burning the outer surface brings out the richness of the different wood species grain structure. Also varying the intensity of the burning process produces different finishes.

The benefit of thermowood is that all the resins, sugars and tannin’s that are normally present in timbers like larch and cedar have been removed so by applying the additional process of charring/burning the surface, the end result is a much improved charred surface, eliminating the risks of the timber igniting when exposed to sparks or flames. Its also UV resistant to fading. If the surface is chipped or damaged it does not expose the natural parts of the timber that may lead to surface peel or potential decay. No on going maintenance is required.
These days the primary use is for aesthetics and improved performance in exterior applications.

After almost 18 months of experimenting and testing this process, QTD have taken this labour intensive process a step further by introducing the ThermoWood Charred Cladding Collection which takes previously Thermo-heat modified hardwood and softwood and then charring/burning the outer surface in a variety of ways. This process makes the boards far more fire resistant than standard charred/burnt timbers such as larch and cedar etc.

Please note: that the charring/burning process is not an exact science and there will be slight surface burn variations throughout the board length which adds to the unique charring/burning characteristics of each board and species.ThermoWood is 30% more fire resistant than regular wood.

Species currently available: Thermowood Pine Softwood, Thermowood Ash Hardwood, Thermowood Tulip Hardwood are available in the charred collection. Other species will come online soon once fully tested.

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ThermoWood is 30% more fire resistant than regular wood.
Combined with the charring/burnt process the boards become highly fire resistant.

Thermowood Pine (Knotty) charred heavy
Thermowood Pine (Knotty)
Charred: Heavy
Cladding Profiles
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Thermowood Ash Hardwood charred lite
Thermowood Ash Hardwood
Charred: Light
Thermowood Ash Hardwood charred medium
Thermowood Ash Hardwood
Charred: Medium
Thermowood Ash Hardwood charred heavy
Thermowood Ash Hardwood
Charred: Heavy
Thermowood Tulipwood Hardwood charred mediumbrushed
Thermowood Tulipwood Hardwood
Charred: Medium Brushed
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Eco Friendly Product
– The ThermoWood process is a process of heat and steam, no chemicals are used.
– This material not harmful to the environment.

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  • – 25 Year Biological Life
    – 100% Natural
    – High Quality

Delivery

– Confirmation of access for a large delivery vehicle
– Someone on-site to accept and help our driver offload the order
– Please note you need to give all possible details of the delivery address (Including complications)
– Any Damaged or Missing items need to be reported to QTD within 24 hours

 

What is ThermoWood?

ThermoWood is a thermal modification procedure that preserves wood in its most natural and flawless state for a life-long journey. The “ThermoWood method” involves a carefully computer controlled heat and steam process up to 210 degrees C.

Besides the preservation, the ThermoWood process also causes certain chemical changes in wood. Not only does the colour darken but the stability, decay resistance and insulation properties are largely increased after the process is complete.

The ThermoWood method, brand and logo can only by the used by members of the International ThermoWood Association.

Find out more about ThermoWood >

Colour Variation

Samples vary in colour so we recommend that you visit a display or show area where you can really get an understanding of what the boards will look and feel like. QTD have their very own unique show areas, why not come and visit us!

Fixing and Finishing Methods

Hidden Fixings:

This is only available with the Zeta Clip cladding profile. The hidden clip system allows you to display your cladding boards with no visual sight of screws in the boards.

Face Fixings:
Simply screw through the face of the board into the sub-frame, you can then purchase plug caps to go over each hole to create a perfect finish.

Board Spacing:

This will be created with which ever profile you choose to go with.

Joist Spacing:
We recommend 400mm centre to centre joist spacing for a standard area, projects may vary.

End Grain Sealer:
When the timber starts to dry out it loses the moisture quicker through the ends of the timber hence the characteristics of grain checking and opening up. Clear wax sealer seals the timber ends and slows down the moisture loss to a more controlled process, thus preventing this cracking. This is especially useful because cutting off the damaged ends not only becomes an expensive waste of timber, but may mean the difference between having the right length of timber for your project or it being several centimetres too short.

We recommend using our Messmers End Grain Wax Sealer to prevent the boards from grain checking.

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Our Partnership with Novawood

QTD have been partners with Novawood for many years now and over this time we have been working with them to bring the ThermoWood technology into the UK. We can provide you with Novathermowood and our unrivalled expertise in building with the product. We have created a strong bond which allows us to supply the UK with quality and environmentally friendly thermally treated timber. We can provide you with thermally treated Deckboards, Cladding Boards and Engineered Flooring and much more allowing you to add that all important value added quality and sophistication to your project

Request a Quotation/Sample below or call us on 0118 373 2212