Subsurface contaminant vapor barrier made up of layers of geotextile, high density polyethylene material and a layer of an elastic co-polymer modified asphaltic membrane for the purpose of mitigating human health risks to unwanted contaminant vapors in buildings

'asphalt':25 'barrier':4 'build':40 'co':22 'co-polym':21 'contamin':2,37 'densiti':12 'elast':20 'geotextil':10 'health':33 'high':11 'human':32 'layer':8,17 'made':5 'materi':14 'membran':26 'mitig':31 'modifi':24 'polyethylen':13 'polym':23 'purpos':29 'risk':34 'subsurfac':1 'unwant':36 'vapor':3,38

GEO-SEAL

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