屋根材 - Dainippon Paint Co., Ltd.

Title:

屋根材

Document Type and Number:

Japanese Patent JP7348605

Kind Code:

B2

Abstract:

To provide cement roofing material of the present invention, excellent in waterproof not to be deformed.SOLUTION: A purpose of the present invention is achieved by roofing material comprising cement substrate roofing material of which a front side has a front side coat and a rear side has a rear side coat, respectively, wherein the rear side coat contains an inorganic layer compound. Preferably, for the rear side coat, 5 to 35 mass% of the inorganic layer compound is contained, and a permeable water volume of the front side coat is 2.0 mL/day or less and a permeable water volume of the rear side coat is 2.0 mL/day or less as well as a permeable water volume of the rear side coat is equal or less than the permeable water volume of the front side coat.SELECTED DRAWING: Figure 1

Inventors:

Yasunobu Shigematsu
Takuya Terunuma

Application Number:

JP2019179669A

Publication Date:

September 21, 2023

Filing Date:

September 30, 2019

Export Citation:

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