Modified Bitumen Roofing Contractor Insurance
Modified bitumen contractors install multi-layer asphalt membrane systems using torch application, hot mopping, or cold adhesive methods. This sub-trade carries one of the highest insurance cost profiles in commercial roofing due to the open-flame and hot-material fire exposure inherent in torch-down and hot-mop application.
Risks Specific to This Sub-Trade
Torch-applied mod-bit creates direct fire ignition risk to the building substrate, insulation layers, and adjacent structures. Hot kettles operating at 400-500 degrees pose severe burn hazards to workers and create fire exposure during transport and setup. Property damage claims from fires started during torch application can reach seven figures when the building is occupied. Fume inhalation from heated asphalt creates workers comp respiratory claims, and kettle spills cause environmental contamination.
Coverages This Sub-Trade Needs
Carriers That Write This Sub-Trade
Few standard market carriers will write torch-applied mod-bit work. E&S markets like Kinsale, Nautilus, Colony Specialty, and Burns & Wilcox dominate this class. Carriers require detailed hot work procedures, fire watch protocols, and proof of CERTA certification for torch operators. Cold-applied mod-bit contractors can access better markets since they eliminate the fire exposure.
What Disqualifies an Account
Any fire loss in the past 5 years is typically an automatic declination. Lack of written hot work permits, fire watch procedures, or CERTA-certified torch operators eliminates most market options. Accounts without dedicated fire extinguisher protocols on every roof or those performing torch work on occupied buildings without notification procedures face severe restrictions. EMR above 1.2 combined with hot work is extremely difficult to place.
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