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08 SIK-Holz® › Robinia Robinia Our playground equipment is made exclusively from local robinia wood. It is the hardest European nutwood and can be used without chemical protection as it has been categorised as resistance class 1 – 2 according to DIN EN 350-2. This means it can be used outside without the need to be treated, and is an excellent alternative to slow-growing tropical hardwoods. Our robinia wood is felled in autumn or winter and comes from sustainably managed natural mixed forests in Brandenburg. Through the utilalisation of wood residues we can achieve 100 per cent use of the material. Robinia (Robinia pseudoacacia L.) Abbreviation according to DIN 4076, part 1: ROB Trade names: Robinia, false acacia, black locust Wood properties: The robinia has a distinctive heartwood colouring which contrasts sharply with the narrow, yellowish-white sapwood. Robinia wood is extremely heavy and hard and has a much higher mechanical strength than that of oak. It is tough, flexible and easy to bend. Robinia also has aboveaverage tolerance across the grain under dynamic stress. The heartwood has high natural resistance to wood-destroying fungi and insects. In terms of robustness robinia is superior to all other types of wood and even poor quality specimens can last on average at least 20 years in the ground. Application: Traditional use, for example as fence posts, mine timber or fuel, becomes gradually less important. In recent years the wood has been used to manufacture high-quality products. It is particular useful for constructive applications outside which are biologically and mechanically demanding. Growth habit: The robinias grown in Europe, when felled at the optimum age of around 40 – 50 years, can reach a height of 20 – 25 m and a diameter of 30 – 40 cm. The trunks tend to be crooked, forked or uneven in shape. Planned selection and careful nurturing can have a positive effect on shape and size. The knot-free shaft length at this age can reach 8 – 10 m. The marketed round wood is around 2.5 – 4 m in length and has a diameter of 25 – 40 cm. Charakteristics Robinia Oak Pine Gross density (g/cm³) 0.78 0.71 0.52 Adjusting-rate of the wood to humidity very low low high E-Modul (N/mm²) 16,200 13,000 11,000 Resistance to bending (N/mm²) 150 95 100 Tensile strength (N/mm²) 164 110 100 Pressure resistance (N/mm²) 86 52 47 Shearing resistance (N/mm²) 16 11.5 10 Hardness on facets (N/mm²) 48 34 19 Resistance class 1 – 2 2 – 3 3 – 4
09 column left: Old robinias by the roadside column centre: Robinia trunks drying at the SIK-Holz® lumberyard column right: Trunks being processed ▶ Further information on uses of this wood can be found under «Facts and Figures» on page 11 of our brochure, or go to issuu.com/sik-holz/docs/sik_facts_figures
Page 1 and 2: #10 Shaping New play spaces 300 ind
Page 3 and 4: Content 02 Mission statement 06 Sus
Page 5 and 6: Mission statement ‹ SIK-Holz® 03
Page 7 and 8: Mission statement ‹ SIK-Holz® 05
Page 9: top left side: Trainee wood sculpto
Page 13 and 14: Material & quality ‹ SIK-Holz® 1
Page 15 and 16: Assembly ‹ SIK-Holz® 13 top righ
Page 17 and 18: Rocking Equipment
Page 19 and 20: Seesaws on One spring ‹ Rocking E
Page 21 and 22: Seesaws on Multi-springs ‹ Rockin
Page 23 and 24: Seesaws on Multi-springs ‹ Rockin
Page 25 and 26: Seesaws ‹ Rocking Equipment ‹ S
Page 27 and 28: Agility Equipment
Page 29 and 30: Sport elements ‹ Agility equipmen
Page 31 and 32: Climbing combinations ‹ Agility e
Page 33 and 34: Climbing balancing units ‹ Agilit
Page 39 and 40: Basic elements ‹ Agility equipmen
Page 45 and 46: Play houses
Page 47 and 48: Play houses ‹ Play houses ‹ SIK
Page 49 and 50: Play houses ‹ Play houses ‹ SIK
Page 51 and 52: Play house combinations ‹ Play ho
Page 53 and 54: Play house combinations ‹ Play ho
Page 55 and 56: Swings, Carousels & Aerial Runways
Page 57 and 58: Swings ‹ Swings, Carousels & Aeri
Page 59 and 60: Swings ‹ Swings, Carousels & Aeri
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Swings ‹ Swings, Carousels & Aeri
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Carousels ‹ Swings, Carousels & A
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Swing seats ‹ Swings, Carousels &
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Multi units
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Multi units ‹ Multi units ‹ SIK
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Climbing forests ‹ Multi units
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Climbing forests ‹ Multi units
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Play ships ‹ Multi units ‹ SIK-
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Basic elements ‹ Multi units ‹
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Slides ‹ Multi units ‹ SIK-Holz
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Slides ‹ Multi units ‹ SIK-Holz
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Play Mobiles, sculptures & sensory
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Play mobiles ‹ Play mobiles, Scul
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Sculptures ‹ Play mobiles, Sculpt
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Sensory play ‹ Play mobiles, Scul
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Sensory play ‹ Play mobiles, Scul
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Post designs ‹ Play mobiles, Scul
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SAnd- & Water play
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Sandboxes & fittings ‹ Sand & wat
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Sandboxes & fittings ‹ Sand & wat
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Sand building sites ‹ Sand & wate
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Water play units ‹ Sand & water p
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Basic elements ‹ Sand & water pla
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Park Furniture
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enches & suites ‹ Park Furniture
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Additional equipment ‹ Park Furni
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playground worlds
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playground worlds ‹ playground wo
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Theme playgrounds offers ‹ playgr
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Imprint Puplisher SIK-Holzgestaltun
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