METHOD FOR RESTORATION OF ROOFING MADE OF BITUMEN-CONTAINING ROLLED MATERIAL Russian patent published in 1997 - IPC

Abstract RU 2072415 C1

FIELD: civil engineering. SUBSTANCE: section of roofing to be restored is first cleaned out, then it is wetted with softening agent, and vertical holes are made through the depth of restorable roofing. Entire external surface of restorable roofing section is heated through enclosed volume of air, and then is compacted. EFFECT: reduced cost, fire-safety, all-weather operation. 2 cl

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RU 2 072 415 C1

Authors

Gazetov Rafaehl[Lt]

Dates

1997-01-27—Published

1995-06-21—Filed