CONSTRUCTION SHEET
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United States of America Patent
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Issued Date -
Sep 1, 2022
app pub date -
Aug 14, 2020
filing date -
Aug 28, 2019
priority date (Note) -
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Abstract
The invention relates to a construction sheet, in particular sub-roof sheet (1), in particular intended for use as an underlay sheet, preferably formwork sheet, and/or roof seal sheet, and/or facade sheet, with at least one carrier layer (2) designed as fire protection layer and at least one further layer (3), wherein the further layer (3) is designed as a further fire protection layer.
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