What is Shou Sugi Ban, charred timber cladding ... with specifying tips for burnt timber cladding and sidings.
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Shou Sugi Ban is the term for burning timber for cladding is an ancient Japanese technique to enhance the beauty of the timber and add to the longevity. It increases the resistance to insects and decay; it can also protect against further fire, it can also be Class 1 and 0 fire certified.
There is proven expertise, over the last 8 years, with this unique process to supply unique and one off projects. The manufacturing process is detailed, accurate and dangerous; one that we have perfected.
There are many finishes and textures that can provided for interior and exterior projects. From the traditional highly burnt fragile looking to the sleek and contemporary brushed finish
Beautiful products can be made with many different species of timber, Cedar, Siberian Larch, Oak, modified timbers and more
Heavily burnt finished cladding
Uses – Exterior cladding and interior wall coverings
It is a delicate finish; you will get black hands if left untreated. Even when treated it is best not to use this product in an environment where people or children will want to stick their fingers in and scratch at the surface.
Not for flooring and furniture with anything more than delicate use or where you can’t touch it.
This finish is presented with a deep crackled finish. It can be left untreated or oiled in various finishes, matt, satin or gloss. It can also be treated with a fire rating of class 1 and 0.
Burnt and brushed finish
Uses – Exterior cladding, interior wall coverings, furniture
This has a more durable finish than the heavily burnt finish. Brushing can result in a dark board with a smooth finish in a dark effect. If brushed further the natural timber will be exposed and present a combination of burnt and natural timber.
Brushed timbers can be coloured too
Tips and further advice
Burnt timber products are to be treated as a specialist product. By simply purchasing burnt timber products you can’t guarantee that the product may be the right choice for your project nor can we be certain that you carpenter understands their use or has installation experience.
The process of preparing burnt timber products is usually done for each individual project after samples have been approved. You may request any size or shape you require for your project, thickness is usually at a minimum of 19mm for Cedar and thicker for other timbers.
If we supply a finished product it is not advisable to “re-engineer” or “alter” the material by re burning or applying any further chemical treatment. It may be necessary to trim the short board ends and this shouldn’t pose any issue, the board ends can then be sealed or painted as required prior to the installation. Ripping the board along the length should be avoided and boards to the correct width should be ordered as required.
If you have a special dimension to fit a specific project, this should be requested in the first instance and drawings presented to define what is required and your products can then be manufactured. This will assist In the cleanest work and maximise the efficiency of your installation.
If you have traditionally burnt products which are untreated (chemically) boards sent to you, there will undoubtedly be a large amount of loose carbon on the board surface. This is fragile and should be handled with care. The boards may show knocks and what looks like damage – all untreated products will have this and is part of the nature of them.
Boards that may have been treated, brushed and treated or similar will still have to be treated with care as they are a finished product.
Don’t expect your tradespeople to treat these boards with any kind of respect as they will undoubtedly pile the product with all of the other timber on site and when it comes to be used you’ll certainly have issues.
If you are uncertain what to expect, do call the UK experts at www.shousugiban.co.uk
If you are in the USA, do call the experts at http://resawntimberco.com/shou-sugi-ban