Johns Manville Roofing Systems
Premium TPO, EPDM & Insulation Solutions for Indianapolis Commercial Buildings
SPG Roofing & Exteriors partners with Johns Manville to deliver comprehensive commercial roofing solutions for properties across Indianapolis and Indiana. Johns Manville is an industry-leading manufacturer of TPO and EPDM membranes, complemented by innovative insulation products and tapered solutions. Our certified JM installers combine technical expertise with quality craftsmanship to create roofing systems that maximize durability, energy efficiency, and long-term value.
Certified by the Best
We carry exclusive certifications from leading manufacturers.
Johns Manville TPO & EPDM Systems
Johns Manville has built a reputation for innovation and reliability in commercial roofing membranes. Their TPO and EPDM products are engineered to meet the challenges of modern commercial properties, from large warehouse facilities to complex multi-tenant buildings. SPG Roofing brings extensive experience installing JM systems, with proven track records of delivering long-lasting roofs that exceed expectations in durability and performance.
We work with the complete Johns Manville product line, ensuring compatibility across membranes, insulation, accessories, and fastening systems. This integrated approach guarantees that every component performs optimally as part of a comprehensive roofing assembly.
Johns Manville Insulation & Tapered Solutions
Johns Manville insulation products are designed to maximize energy efficiency while maintaining structural integrity. Their polyiso insulation provides superior R-value performance, reducing heating and cooling costs over the roof's lifespan. Tapered insulation solutions from Johns Manville improve drainage, eliminate ponding water, and reduce unnecessary structural loading—all while maintaining consistent thermal protection.
These complementary products work seamlessly with JM membranes to create a complete roofing system. Proper insulation selection is critical for energy performance and moisture control, and our team ensures you receive the optimal combination for your specific building needs.
Peak Advantage Warranty Protection
Johns Manville's Peak Advantage warranty program provides comprehensive protection for your commercial roofing investment. The warranty covers materials, labor, and workmanship, with flexible coverage options tailored to your property's requirements and anticipated usage. Multi-year leak protection and manufacturer backing provide peace of mind for property owners and facility managers.
SPG Roofing handles all warranty registration, documentation, and claim coordination with Johns Manville. We ensure your roof is properly registered and maintained to preserve full warranty benefits throughout the coverage period.
Energy Efficiency & Long-Term Value
Johns Manville systems are engineered to deliver exceptional energy efficiency while maintaining superior durability. Reflective membranes reduce heat absorption, lowering cooling costs year-round. Advanced insulation minimizes thermal bridging and heat loss, contributing to significant operational savings. Over a 25-year roof lifespan, these energy benefits often offset installation costs multiple times over.
Our comprehensive maintenance programs help preserve these energy-saving properties. Regular inspections, coating reapplication, and preventive maintenance ensure your Johns Manville roof continues delivering peak efficiency throughout its service life.
Key Benefits
Premium TPO Membranes
Advanced TPO systems engineered for maximum performance, weather resistance, and durability in demanding climates
Superior EPDM Solutions
Proven EPDM rubber membranes with exceptional UV resistance and straightforward installation methods
Advanced Insulation
High-performance insulation products including polyiso and fiberglass designed to maximize energy efficiency
Tapered Solutions
Custom tapered roof decking improves drainage, prevents ponding, and reduces weight on building structures
Peak Advantage Warranty
Comprehensive manufacturer warranty protecting your investment with multi-year coverage and manufacturer backing
Certified JM Installation
Specialized installers trained and certified by Johns Manville ensure proper application and system integrity
How It Works
From first call to final walkthrough — here's what to expect.
Design & System Selection
We assess your roof's structural condition, measure all dimensions, and recommend the optimal Johns Manville system based on building use, climate, and energy goals.
Substrate Preparation & Insulation
Our team prepares the deck, installs Johns Manville insulation and tapered solutions for proper drainage, creating the ideal substrate for membrane application.
Membrane Installation
Certified Johns Manville installers apply TPO or EPDM membranes using heat-welding or adhesive methods, creating secure seams and complete waterproofing per JM specifications.
Final Inspection & Warranty Registration
We conduct comprehensive quality inspections, document all installation details, and register your roof with Johns Manville to activate Peak Advantage warranty coverage.
What Our Customers Say
SPG Roofing installed our Johns Manville system five years ago. The quality has been outstanding, and the tapered insulation solution they recommended significantly reduced our energy costs. Excellent work and professionalism.
We were impressed with SPG's expertise in Johns Manville systems. They explained how the insulation choices would impact our long-term operating costs. The installation was flawless, and our Peak Advantage warranty gives us complete confidence.
SPG has provided excellent maintenance on our Johns Manville roof over the past three years. Their proactive approach has prevented potential issues, and our roof is performing exactly as expected. They're a trustworthy partner.
National Recognition
Top 100 Roofing Contractor in America
Ranked #92 in Roofing Contractor magazine's 2025 Top 100 list — up from #128 in 2024.
The only Central Indiana contractor to make the list two years running.
Our Recent Projects
Frequently Asked Questions
Johns Manville Roofing Near You
We proudly serve homeowners and businesses across Central Indiana.
Explore Our Other Services
New commercial roof installation.
Commercial roof leak and damage repair.
Commercial roof inspection and assessment.
Preventive maintenance programs.
Emergency storm damage response.
Thermoplastic polyolefin membrane systems.
Ethylene propylene diene monomer rubber roofing.
Flat and low-slope commercial systems.
Duro-Last prefabricated membrane roofing.
Versico roofing systems and membranes.
Elevate (Firestone) commercial roofing.
Ready to Get Started?
Contact SPG Roofing & Exteriors today for a free, no-obligation estimate.