ROOF TILE WITH AN IMPROVED COMPOSITION AND METHOD OF MAKING THE SAME
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United States of America Patent
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Issued Date -
May 27, 2021
app pub date -
Nov 27, 2019
filing date -
Nov 27, 2019
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Abstract
A composition for a cementitious roofing tile, the composition includes a cement binder making up 10% to 20% of a total composition weight; a fine aggregate sand making up 20% to 25% of the total composition weight; an aggregate making up 12% to 20% of the total composition weight; a crushed glass making up 15% to 60% of the total composition weight; an alkali-silica reaction (ASR) suppressant; and a predetermined volume of water; the aggregate is selected from one of perlite, vermiculite, hemp, expanded clay, coco coir, shale and slate; and the fine aggregate sand has an average particle size from a minimum of 1 micron to a maximum size of 2 mm; and the crushed glass has an average particle size that ranges from 1 micron to a maximum of 5 mm.
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