Information What began as a small glue factory in 1923 is now a major company in the timber derivatives industry. On 27 September 1956, the WerzKG company filed a patent application for the process of moulding fine-cut wood chips with duroplastic resins under high pressure in a wide variety of forms. This was the birth of the Werzalit timber derivatives. The glue factory founded by Jacob Werz in 1923 evolved rapidly - under the management of his son Frieder Werz from 1946 - to become one of the leading companies in the timber derivatives industry. Thrift and spirit of invention were the fathers of this innovative idea. Processing plywood produced up to 50% waste - raw material for the woodchip industry then in its infancy. Werzalit produced finished mouldings right from the start. Today Werzalit finished mouldings are manufactured at works in Oberstenfeld, Wurtingen, Berlin and Bradford (USA). They are constantly being improved, as indicated by more than 600 patents in 43 countries throughout the world. For a new process, there are hardly any standard machines or tools. So the essential production units have to be planned within the company: building every single machine for every single production step ourselves. In that respect, nothing has changed up to now. The only exception is that computers now relieve our engineers and technicians of much routine work, leaving more scope for creativity. So the Werzalit production units are always up to the latest standards of technology and are just as environmentally sound as the product itself - consisting of up to 85% of the natural raw material wood. Latest Developments Tests alone cannot create quality, it has to be produced. From the raw material to the intermediate products to the finished product itself, Werzalit undergoes constant controls by the latest electronic test and mensuration equipment. What is more, the company voluntarily subjects Werzalit to external testing by such institutes as German TUV ot the Federal Material Testing Institute in Berlin. Werzalit timber derivative complies with German standards and building regulations just as easily as it meets the stipulations of the export countries - one of the reasons for permanent perfection. The latest result is the new Werzalit Plus table top quality: even more robust and weatherproof. Even more indestructible and environmentally sensitive than ever, thanks to the use of biologically harmless binding and protective agents. Table tops in Werzalit: lasting beauty for the garden or cafe Germany 1958. As the camping trend gathered momentum, the first table top rolled off the production line at Werzailit. It was a case of the right product at the right time. Even 5 years later, Werzailit was still on the right track: as more and more people began to build homes with gardens, Werzalit brought garden tabletops onto the market. Thanks to their decor variety and resilience, they soon conquered considerable market shares and gained a firm foothall in the garden sector. There are over 50 million already - in Germany and throughout the world. The latest development in connection with this succesful product is an artistic series of table objects. Linea Tavola is the name of the range that opens up totally new dimensions in the creative design of rooms and gardens. Moreover, Linea Tavola also allows totally individualistic decors such as a company's own lettering or a client's logo. It could well be a another case of the right product at the right time. Werzalit table tops are manufactured specially for use inside and outside using a patented procedure. Due to its high density material core manufactured from naturally grown wood and the surface pressed homogeneously with the wood material, Werzalit table tops are durable, hard-wearing and completely weatherproof. All Werzalit products are subjected to strict quality checks and tested for robustness and long-term weather resistance both in environmental chambers and natural weathering conditions in a wide range of climatic regions. Werzalit table tops come in a number of shapes, sizes and surface finishes, ranging
from various standard decors to fabric covers and individual logos and motif prints.
This variety makes Werzalit table tops the ideal furniture for gardens and recreation areas, as well as for professional catering furniture, trade fairs and events. Assembly of Table Frame Due to the high density material, Werzalit table tops attain an extremely high screw extraction strength, allowing a simple, secure and particularly stable fixing between the table top and table frame. Standard joinery screws can be inserted without preliminary drilling and are sufficient for assembly. We recommend to use Spax screws 5 x … If other screws are used, a hole corresponding to the core diameter should be drilled out of centre. The distance between the bore hole or tip of the screw and the surface 2 mm of the top should be at least 2 mm. In addition, the use of at least 2 screws per foot should be planned for the individual fastening. The use of internal screw sockets made of steel or brass is also possible. These must be inserted with a dynamometric screwdriver and should have a hexagonal socket wherever possible. Drilling is done with a core diameter or according to the manufacturer’s specifications. Recommended lengths: Max. 13 mm for M6 sockets, max. 14 mm for hole. Preparation of sunshade hole To facilitate the use of sunshades, Werzalit table tops can also be provided with integrated sunshade holes. If required, these can be supplied as special equipment, or they can be inserted retrospectively. In either case, the hole must always be fitted with a collar. For a crack-free and clean aperture, we recommend drilling on both sides, in the direction of both the underside and top side of the table.
Werzalit – wood on the inside, strong on the outside. Only freshly cut wood from domestic deciduous and coniferous trees is used to manufacture
Werzalit table tops. Finely chipped and with the addition of special resin, the material Werzalit is produced under heat and high pressure. In addition to its weatherproof properties and resistance to moisture, it also has a particularly high degree of dimensional stability. Nevertheless, particularly dark decors can absorb heat of up to 70 °C during exposure to direct sunlight, resulting for example in a change to the optically plane surface if the tables are not sufficiently supported by a frame. Although this concave distortion is reversed by itself as the exposure to sunlight recedes and temperatures drop, Werzalit table tops have a basic convex form up to 3 mm/m, although remaining deformation of up to ± 4 mm/m lies within the permissible tolerances. Irrespective of this, the stability and perfect function of Werzalit table tops are ensured at all times. The observance
of a few simple rules will therefore serve primarily as a preventative measure and also
guarantee a perfect look for a number of years. A choice of extremely light to no more than medium-dark shades for decors, particularly for external areas. Unlike darker decors, they reflect the light and considerably reduce surface warming. In addition, they have a positive effect on the atmosphere for your guests. With table tops with dark decors in unprotected areas with sustained exposure to
intensive sunlight, greater attention must be paid to the use of high-quality table frames.
They not only increase the visual charm, but also support and stabilise the bending forces.
Four-leg frames should always be given precedence over three-leg frames due to the firmer support that this provides. If necessary, the reinforcement of existing table frames can be increased at any time through modification of retrospectively assembled rails or mounting plates.
Technical data for original Werzalit Plus table tops
Density 700 - 800 kg/m3 EN 323
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Bending strength 30 - 50 N/mm2 EN 310
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E-module 4000 - 6000 N/mm2 EN 310
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Toughness under impact 10 - 12 kJ/m2 DIN 52189
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Thickness swell following storage in water
(measured on 25 mm-wide test pieces) V-100 swelling (2h storage in water at up to 100°) Edge < 10,0 % area < 12,0 % EN 317 V-70 swelling (5h storage in water at up to 70°) Edge < 6,0 % area < 9,0 % Werzalit Test Standard V-20 swelling (2h storage in water at up to 20°) Edge < 0,5 % area < 1,0 %
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Rising height <20mm Werzalit Test Standard
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Following 16 hours Burchell immersion test No cracks or bubbles are permissible
on assessment after 1 hour.
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Screw extraction strength
(4mm particle board screws, screwed in 10 mm) 800 - 1300 N Werzalit Test Standard
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Surface quality: abrasion-resistant, resistant to cigarette ash, resistant to all household EN 438
cleaning agents and solvents, stain-resistant, resistant to diluted acids and alkaline solutions.
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Surface stability/telegraphing
Good/low, coarse chippings not permitted on surface.
(Determined by limit sample)
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Hardening of coating 1 - 2
(acid test with 0.1 n hydrochloric acid)
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Scratch resistance of surface 3,0 - 5,5 N (scratch resistant) EN 438
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Brinell hardness of surface 60 - 65 N/mm2 Werzalit Test Standard
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Resistant to hot saucepan bottoms (20 min at 180°C) EN 438
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Sensitivity to light of surface, dependent on decor Grade 6 - 8* DIN 54004
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Temperature resistance Freeze-proof and heat-resistant Werzalit Test Standard (-50°C bis + 90°C) --------------------------------------------------------------------------------
The table tops conform to the low emission class "E1".
Requirements specified in Appendix I of the Ordinance on the Ban of Chemicals V
8 is the highest possible grade for sensitivity to light. (1)1000 N, 15 s Rest period, (Force / impression area).
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