Teamwork at roofing installation resin.Heating and melting of bitumen surface by flame from gas torch. Worker adjusts bituminous cover for roofing felt, smears melted resin with wooden tool.

felt, black, technology, hot, roof, tool, burn, fire, flame, heat, together, surface, spread, repair, torch, team, gas, teamwork, waterproof, repairman, stretch, installation, technique, burner, melt, tar, propane, coating, adjust, assembly, rooftop, resin, bitumen, tarmac, insulation, roofing, weld, roofer, blowtorch, manually, bituminous, tarring, smears, blowpipe, proofing, waterproofing, put together, spread out, intermittently, stretch out,