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A non-flammable material (non-flammable certification NM-1217)
It is incombustible as it uses a base material made mainly of inorganic raw materials.
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Excellent dimensional stability
The material is stable as it is formed of a calcium silicate crystal structure. The change in dimensions due to temperatures and humidity is minimal.
![](/cms/nichias/img/products/item/building_materials/soffit_boards/img_eaves03_03.jpg)
Similar to wood and is easy to machine
Just like wood and plywood, it can be easily used for sawing, nailing, and planing.