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Frequently Asked Questions


Aluminum or repainted galvanized steel is used for exterior and interior surface metal plating of the sandwich panel and as an interior filling material polyurethane is used for sandwich panel.
The final coatings with very various quality and color choice can be qualified for usage area and expected specifications as; Acrylic, Polyester, Silicon Enamel, Epoxy Based Coatings, PVdf based coatings and PVC based coatings (Plastisol, Organosol)
Architectural design creativity, long life, technical superiority, economical and ecological characteristics, fast and safe working chance, new technology adaptation are the leading choosing reasons.
When calculating sandwich panel’s heat isolation value interior filling material’s heat insulation values influences the calculation heavily. Heat transfer coefficient (W/m°K) is specific for every material can be used for determining structures heat isolation efficiency. Which material has the lowest heat transfer coefficient, has the best heat insulation. Especially, polyurethane filled sandwich panels have low heat transfer coefficients from their similar. For this reason, polyurethane filled sandwich panels have advanced heat insulation values and energy savings. So, conservation of resources is obtained.
Polyurethane 0,022 W/m°K
XPS 0,031 W/m°K
EPS 0,04 W/m°K
Mineral Wool 0,04 W/m°K
Panel thickness will provide U value tables for wall and roofs Turkısh standart TS 825. Generally, 80 mm thick panel will provide a 0.25 W/m²K U value for the roof, 60mm thick panel providing the 0.35 W/m²K U values are recommended.
Passing special cap system covers lateral panel connection elements. With this, water leaking problem occurred by years can be prevented. Visual advantage can be obtained via production of different colored cap profiles. With minimum %5 slope, roof cladding can be done. Cap profile concealed connection elements so, this type roof panels can be used as wall panels.
Design wind suction/pressure loading and snow loading directly effect span lenght. You may checked product loading capacities from our load span tables. Generally, Roof panels 2 to 2.5m, with wall panels 3 to 3.5m.
Roof panels 3 to 14,5 m, with wall panels 3 to 10 m, dependant upon tranporstion and installation restrictions.
Our panels when correctly specified give TSE EN 14509 certification and Assan Panel offer a range of panels, which are available as TSE EN 14509 certified products.
TS EN 14509 is a standard compatible with Europan Union norms. This standard arranges all types of raw materials of composite sandwich panel and examines various characteristics from physical behavior to fire resistance. This standard is considered quietly by Europan Union. We think that taking this certificate which will probably be precondition in domestic and abroad markets at near future, gives us advantage.