Commercial Modified Bitumen Roofing
Explore modified-bitumen roof-system considerations for North Carolina commercial properties.
Torch Down Roofing in North Carolina
Torch down roofing, also known as modified bitumen roofing, is an asphalt-based commercial roof-system option. Application method, roof assembly, drainage, fire safety, site controls, access, and project requirements should be discussed for the specific property.
Key Benefits
- An asphalt-based system option to evaluate for low-slope commercial roof conditions.
- Multi-ply, surface, attachment, and drainage considerations that can be reviewed for the property.
- A project-specific discussion of installation method, safety controls, and applicable requirements.
System Features & Specifications
System Type
Modified bitumen assemblies may use torch, cold-applied, or self-adhering methods depending on the scope.
Ply Options
Proposed ply configuration should be considered together with the roof assembly and project requirements.
Surface Finish
Surface options depend on the proposed system and property conditions.
Deck Conditions
Deck, substrate, insulation, and existing-roof conditions affect scope planning.
Slope & Drainage
Drainage and slope should be reviewed as part of the roof-system evaluation.
Safety Planning
Discuss safety controls, installation method, permits, and site requirements with the contractor.
Ideal Commercial Applications
Frequently Asked Questions
What is the difference between torch down and TPO roofing?
Modified bitumen is an asphalt-based roof-system category, while TPO is a single-ply thermoplastic membrane. The appropriate option depends on the roof assembly, details, drainage, project requirements, budget, and building operations.
How is torch-applied work evaluated?
Torch-applied work involves heat and jobsite safety considerations. Discuss the installation method, safety measures, permits, fire-watch requirements, and applicable project requirements directly with a contractor.
Can modified bitumen be installed over an existing roof?
An overlay may be possible in some situations, subject to structural conditions, moisture, existing roof conditions, fire-safety requirements, and the proposed assembly.
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