| 05185 Bitumen Damp Proof Courses
Damp proof course liquid and sheeting shall comply with the requirements of BS 743. The sand for bitumen damp proof course shall comply with the requirements of BS 1289 Table.2
0519 EXECUTION
05191 Surface Preparation
Surfaces to receive water proofing and damp proofing shall be clean of dust, dirt and loose debris. Ensure those surfaces are fully dry before the application of roofing & water proofing.
Roof water proofing shall be applied only after work in other trades that may interfere with water proofing have been executed.
No other work on roof that may require the cutting or patching of built up roof shall be executed after water proofing work is stated.
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