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built-up roof

a usually flat or slightly sloped roof that is covered with a special material applied in sealed, waterproof layers. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for built-up roof
  • Bulging or wrinkling of built-up roof surfaces will also be interpreted as defects requiring correction.
  • Remove entire existing built-up roof system down to the existing roof structure including all flashing and termination materials.
  • Install bitumen stops for built-up roof opening penetrations through deck and at formed sheet metal gravel stops.
  • The contractor is responsible for the removal and disposal of the existing built-up roof down to the metal decking.

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