SBS Modified Bitumen Roofing Membranes
Johns Manville is the leader in SBS roofing systems, enjoying over three decades of modified bitumen commercial roofing production experience.
We are experts at understanding the variability of asphalt’s physical properties to produce formulations for consistent, real-world applications in the field that stand the test of time. JM combines our formulation expertise with polyester, glass fiber and hybrid composite reinforcements to produce systems that exhibit tremendous strength, elasticity and weatherability.
Systems Technical Data
Find data sheets, codes, specifications, and other useful documentation by rolling over and following the links below.
- Hot Applied:
- Cold Applied:
- Heat Weldable:
Use the quick and simple Submittal Wizard to select the high-performance Johns Manville products you need for your next roofing project and create a submittal package.
To get started, choose between a Hot Applied, Cold Applied, Heat Weldable, or a Self-Adhered system and select the documents you need from the System Components and System Application tabs. Once you’re done, the Submittal Wizard will compile your submittal package and email you a download link for it.
SBS Modified Bitumen Roofing System — DynaWeld™/DynaGrip® SD/SA Hybrid System (2FID-SA/HW)
Due to the demand for Invinsa™ Roof Board in modified bitumen roofing systems, Johns Manville now offers a 2FID-SA/HW specification. The new hybrid specification is a two-ply SBS modified bitumen roofing system over ENRGY 3® insulation and Invinsa. It is installed using a combination of self-adhered and heat-welded application techniques.