SANDWICH PANEL

Sandwich panels are composite materials consisting of inner filling material polyurethane or rock wool between two metals.

Sandwich panels used as coating material for buildings' roof, wall, internal partition or cold storage room; come to the forefront for architectural preferences through its high carrying capacity in addition to its quick installation, effective insulation.

Sandwich panel's bearing capacity depends on inner filling material density, panel thickness, metal surfaces' form and metal thickness. Thickness of metals and inner filling material is determined in accordance with its usage area and possible load on it. Regional climatic conditions are taken into consideration for determining thickness of inner filling material, too. Sandwich panels constitute external skin for buildings without needing any plaster and paint. Aluminum or painted galvanized sheet is used on metal layers of sandwich panels. Its color preference can be determined according to customer request from RAL Catalogue. 

 

SUPERIOR FEATURES OF SANDWICH PANELS

Aluminum or galvanized surfaces of Roof and Wall panels are painted with 23-25 micron coil coating system polyester on 5-7 micron epoxy undercoat. A-3005 alloy aluminum durability, endurance against salt water and external environmental conditions is on the highest level, it doesn't crack even after 180 degrees bending. Endurance against rusting and corrosion is on the highest level with 275 gr/m2 zinc coating of used galvanization. 


Density of polyurethane is 40 kg/m3, non-combustibility grade is B2 (DIN 4102-B), heat conductivity factor is λ=0,022W7mK (DIN 4108-4). Insulating tape, with non-combustibility grade B2, in panel joints prevents possible condensation in cold air and air leakage to outside by sticking to panel as result of its reaction with polyurethane. 

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