Anti-noise panel in wood-aluminium, in top quality pinewood or dealwood in conformity with the UNI EN 350-I regulations soaked in a vacuum pressured autoclave as is foreseen by the DIN 68800 part 3 regulation and by a aluminium sheeting shell measuring 1,5 mm thick.

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In detail, the panel consists of the following materials:

• Underframe made of horizontal and vertical wooden blocks, on the externa¡ horizontal elements, a milled slot has been carried out in order to accommodate the rear matchboarding.
• The back consists of rebated or joined matchboarding whose thickness is no less than 20 mm placed vertically or horizontally and fixed with stainless steel nails and fitted within the milled slot carried out on the horizontal externa¡ posts.
• The internal soundproofing material is made of rockwool padding thickness 50 mm, 100 kg/m3 density, covered in black fibreglass surfacing; alternatively it could be made of polyester natural fibre padding 100 mm thickness, 50 kg/m3 density.
• The front receiving part of the panel is made of perforated aluminium sheeting with circular cross sectión holes with either a fxed or difFerentiated diameter: 1,5 mm thickness painted with polyester powders in the colour chosen from the RAL range after the completion of al¡ the machine finishing phases.
• The panel is finished on its vertical sides by means of seals in Ethylene Propylene Diene Monomer (EPDM) in order to guarantee air-tightness between the panel and the carrying profile.

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UNI EN 1794-1 all. C - Resistance to impact by stone chippings.

UNI EN 1794-1 all. A - Resistance to strong winds.

UNI EN 1794-2 all. A - Resistance to bushfires.

UNI EN 1793-5 - Test for reflection index and sound insulation.

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The anti-noise barriers can be used so as to limit the sound propagation towards the residential estates in case of:

• Main and secondary road infrastructures;
• Railway infrastructures;
• Industrial areas;
• Noisy plants situated externally.

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The use of one type of barrier does not exclude the use of another..

All products permit good levels of acoustic isolation/absorption, by means of a careful and punctual evaluation of the environmental conditions and a relative choice of the most suitable materials.

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Great attention is paid to the respect for the environment. Creates elements with pre-treated materials in conformity with the European Regulations in force.

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The modular composing singular panels are easily inserted between the posts and are created in HE or tubular steel profiles until they reach the height desired, wich will vary according to the soundabsorption, sound isolation and mechanical resistance required.

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