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Definition of Tar boil
1. Noun. (context: roofing) A small bubble or blister in the flood coat of an aggregate-surfaced built-up membrane ¹
¹ Source: wiktionary.com
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1. Noun. (context: roofing) A small bubble or blister in the flood coat of an aggregate-surfaced built-up membrane ¹
¹ Source: wiktionary.com