To provide a substrate material for an exterior wall of a house, which is excellent in workability, which has corrosion resistance and heat resistance, and which is finished in a panel shape by combining a core material and an original plate using a plated steel or stainless steel plate having a surface coated with a treated film excellent in corrosion resistance and workability.
This substrate material 1 for the exterior wall of the house comprises the core material which is composed of a plaster board 2 and a frame 3, and the plated steel or stainless steel plate 4 for covering the front-side, lateral-side and back-side ends of the core material. A plate, where a primer layer with a dry film thickness of 1-20 μm, containing a rust-proof pigment, and a top coated-film layer with a coated film elongation of 50% or more and a dry film thickness of 5-30 μm, located on the primer layer, are laminated at least on one side thereof, is used as the plated steel or stainless steel plate.
HARA TAKETO
NAKAYAMA MASARU
MORI SHINOKI
SEKISUI CHEMICAL CO LTD
Okada Manri