Holzarten
This natural effect makes the wood look even more expressive and is a unique design feature of processed solid wood. No single door, no drawer and no side unit alters its colour evenly.

Structures in the wood reveal themselves as markings that strike the eye to varying degrees depending on how the tree has grown. Every unit of furniture is a unique piece of nature and a real joy to the eye for lovers of solid wood.

Biologically speaking, solid wood is excellently suited to being used as a raw material for we only use white glue for connecting the sections. This white glue contains no formaldehyde or other gases that can be emitted. This means that untreated solid wooden furniture is a 100% biological product.

Pecannut
The North American pecan tree, which can grow up to a height of 30 metres, is one of the most expressive woods in nature. It is normally valued more for its tasty nuts but it is also traditionally used in furniture manufacture. And yet the typical surface finish such as can be seen in the Pecano range can still only be created by the special processing techniques applied by Hartmann.

Origin:   Pecan grows ...
Growth:   ... growing, trees need around ... to ... years before they are ready for felling
Hardness:  
Colour:    
Weight:  
Satin walnut
Satin walnut is processed in ...

Origin:   Satin walnut grows in North America, commonly in the Mississippi Delta.
Growth:   slow-growing, trees need around ... to ... years before they are ready for felling
Hardness:   medium hard
Colour:   almost white sapwood to dark brown core
Weight:  
Beech
Besides alder and maple, beech is at present the most popular light type of wood. Beech is used not only for manufacturing furniture, but also for doors, flooring and other products in new buildings. The proportion of various kinds of beech wood amounts to approximately 75% of the total wood used today.

Origin:   Central Europe, especially lower mountain ranges in Germany, where sustainable forestry is practised
Growth:   slow-growing (the trees need around 50 to 80 years before they are ready for felling)
Hardness:   very hard and short-fibred
Colour:   heart wood is reddish brown and dark, rest is whitish; after steaming, wood takes on a salmon to reddish colour
Weight:   heavy, approx. 730 kg/m² at a wood humidity level of 8%

Alder
Two different species of alder are processed in the manufacture of solid wooden furniture. Most manufacturers use American alder, better known as red alder. We also use this type of alder because its structure and markings are quite expressive. The European alder is less markedly structured, with some typical black cracks.

Origin:   Red alder grows on the west coast of the USA and on the border to Canada.
Growth:   quick growing, trees need around 30 to 40 years before they are ready for felling
Hardness:   medium-hard
Colour:    
Weight:   light, approx. 420 kg/m² at a wood humidity level of 8%
Oak
Oak was the first type of wood that Hartmann used in the manufacture of modern solid wooden furniture. Oak only accounts for about 5% of our entire collection at present due to the current trend towards beech and red alder. We mainly process American white oak because of its striking grain patterns and better sorting characteristics.

Origin:   north-eastern region of the USA
Growth:   very slow growing, trees need around 60 to 90 years before they are ready for felling
Hardness:   hard, quite long-fibred wood
Colour:   heart wood is yellowish brown, splint wood is white
Weight:   heavy, approx. 750 kg/m² at a wood humidity level of 8%

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Natural raw materials
The solid wood for our furniture comes exclusively from forestry regions where sustainability is practised.

Responsible use of forest resources sustains the ecological balance of nature.

What is so unique and beautiful about solid wood is the fact that every piece that is processed looks different by way of its growth and structure.

Fine knots, irregularities and lines are all proof of genuine wood. Every piece of wood has the natural tendency to alter its colour in the course of time.