ROOFING UNDERLAYMENT AND PREPARATION METHOD THEREOF
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Mar 26, 2020
app pub date -
Sep 21, 2018
filing date -
Sep 21, 2018
priority date (Note) -
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Abstract
A roofing mat and a preparation method thereof are disclosed. A composite device includes a first roller, a second roller and a third roller. A die is located at the first roller. The preparation method comprises the following steps: step 1: laminating a first non-woven fabric to form a waterproof film; step 2: conveying asphalt to the die; step 3: rolling the first non-woven fabric by means of the first roller, rolling a woven fabric/a second non-woven fabric by means of the second roller, applying the asphalt to the waterproof film of the first non-woven fabric by means of the die, the first roller and the second roller being rolled and pressed against each other, the first non-woven fabric rolled by the first roller and the woven fabric/the second non-woven fabric rolled by the second roller being compressed together and then conveyed to a third roller for cooling, outputting, trimming, and winding.
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