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
Properties Value and unit Test method
Density 700 - 800 kg/m3 EN 323
Bending strength 30 - 50 N/mm2 EN 310
E-module 4000 - 6000 N/mm2 EN 310
Toughness under impact 10 - 12 kJ/m2 DIN 52189
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 %
Rising height <20mm Werzalit Test Standard
Following 16 hours Burchell immersion test No cracks or bubbles are permissible
on assessment after 1 hour.
Screw extraction strength
(4mm particle board screws, screwed in 10 mm) 800 - 1300 N Werzalit Test Standard
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.
Surface stability/telegraphing
Good/low, coarse chippings not permitted on surface.
(Determined by limit sample)
Hardening of coating 1 - 2
(acid test with 0.1 n hydrochloric acid)
Scratch resistance of surface 3,0 - 5,5 N (scratch resistant) EN 438
Brinell hardness of surface 60 - 65 N/mm2 Werzalit Test Standard
Resistant to hot saucepan bottoms (20 min at 180°C) EN 438
Sensitivity to light of surface, dependent on decor Grade 6 - 8* DIN 54004
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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