SUMMITSLATE
Over 2.4 Million Sq Ft Protected

Precision Flat Roof Systems for the Modern Enterprise.

Engineered weather-defense solutions specializing in large-scale TPO and EPDM membrane installations across the Greater Portland Metro.

Commercial flat roof installation in progress
Roofing experts reviewing blueprints on site
CERTIFIED MASTER CONTRACTOR

Licensed, Bonded, Insured CCB# 192834

Engineering Resilience Since 2004.

Summit Slate Commercial sets the standard for high-capacity flat roofing in the Pacific Northwest. We don't just patch leaks; we engineer comprehensive weather-defense systems using advanced materials.

Our proprietary Infrared Thermal Moisture Scanning protocol (ITMS-4) allows us to detect subsurface water infiltration before it compromises your facility's structural integrity. This data-driven approach ensures precision in every project.

Deploying advanced infrared optics to map invisible moisture zones beneath your current membrane.

Selecting optimal TPO or EPDM materials tailored to your building's thermal footprint and structural load.

Seamless deployment followed by rigorous hydrostatic testing to guarantee zero-fail performance.

Commercial Roofing Systems & Benefits

Integrated solutions designed for longevity, energy efficiency, and minimal operational disruption.

TPO Roofing System

TPO Membrane Integration

Thermoplastic Polyolefin systems offering superior UV resistance and heat reflectivity for reduced cooling costs.

  • Class A Fire Resistance
  • Energy Star Certified
  • Heat-welded seams for maximum durability
EPDM Rubber Roofing

EPDM Rubber Architectures

Time-tested synthetic rubber membranes ideal for extreme weather cycling and high-traffic flat roofs.

  • Exceptional hail resistance
  • 50+ year proven lifespan
  • Low lifecycle maintenance costs
Architectural Metal Systems

Architectural Metal Systems

Standing seam metal roofing engineered for steep-slope commercial applications and aesthetic prominence.

  • 130mph wind uplift rating
  • 100% recyclable materials
  • Custom architectural profiling

Trusted by Industry Leaders

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Aerial view of commercial roofing project