Built for Business
Commercial Roofing
Commercial Roofing Contractors in Spokane, WA
Commercial Roofing Systems Built to Protect Your Business
Your roof is a working asset, and downtime costs money. Alpha LLC installs, repairs, and maintains commercial roofing systems for warehouses, retail, offices, multifamily, and industrial properties across Spokane, WA and the surrounding areas.
From single-ply membrane to standing seam metal, we size every system to your building, your budget, and your long-term goals. You get clear scopes, honest timelines, and crews that work around your tenants and operating hours — so your business keeps running.
Free Commercial Roof Assessments
We'll walk your roof, document its condition, and give you a clear picture of what it needs — repairs, restoration, or replacement. No obligation, no pressure.
Commercial Roofing Systems We Install
Every building is different. We match the right system to your roof's slope, structure, traffic, and budget — then install it to manufacturer specifications so your warranty is protected.
TPO & PVC Membrane
Single-ply, heat-welded membrane systems built for reflectivity, energy savings, and long-term weather resistance.
EPDM Rubber Roofing
Durable, cost-effective rubber membrane for low-slope roofs on warehouses, shops, and multi-unit buildings.
Modified Bitumen
Multi-layer torch-down and self-adhered systems that stand up to heavy traffic and Northwest freeze-thaw cycles.
Standing Seam Metal
Concealed-fastener metal roofing engineered for large spans, low maintenance, and decades of service life.
Roof Coatings & Restoration
Reflective coating and restoration systems that extend the life of an existing roof at a fraction of replacement cost.
Commercial Roof Repair
Leak detection, flashing and curb repair, seam repair, and emergency stabilization to keep your building dry.
Industries & Properties We Serve
From a single storefront to a full industrial campus, we understand how commercial roofing decisions affect your operations, your tenants, and your bottom line.
Warehouses & Distribution
Large-footprint flat roofs built for equipment access and heavy service loads.
Retail & Restaurants
Scheduled work that protects customers and keeps your doors open during business hours.
Office & Medical Buildings
Clean, quiet installations that respect your tenants and your operating hours.
Multifamily & Apartments
Roof systems and maintenance plans for apartment communities and HOA properties.
Churches & Schools
Budget-conscious, code-compliant roofing for nonprofits and public buildings.
Industrial & Light Manufacturing
Ventilation, equipment curbs, and systems that handle demanding roof environments.
Why Businesses Choose Alpha LLC
- Single point of contact from inspection through final walkthrough
- Licensed, bonded, and fully insured for commercial projects
- Manufacturer-certified systems with warranty registration
- Detailed proposals with clear scopes, timelines, and pricing
- Safety-first crews and clean, secured job sites
- Work scheduled around your tenants and operating hours
Commercial Maintenance Program
A proactive maintenance plan is the most cost-effective way to protect a commercial roof. We keep it simple and documented so you can plan ahead instead of reacting to emergencies.
- Twice-yearly roof inspections and condition reporting
- Drain, scupper, and gutter clearing to prevent ponding water
- Seam, flashing, and penetration seal maintenance
- HVAC curb and equipment flashings checked and re-sealed
- Photo-documented findings and prioritized repair planning
- Priority response for leaks and storm events
Commercial Roofing
Commercial Roof Repairs
A small leak on a commercial roof never stays small. Water travels along the deck, finds a weak point, and shows up as a stained ceiling tile far from the actual problem. We track it to the source and fix it properly — not with a patch that fails the next time it rains.
Our crews repair every major commercial system, from single-ply membrane to metal and modified bitumen. We document the work, photograph the repairs, and tell you honestly whether a fix will hold or whether the roof is telling you it's time to plan a replacement.
What our commercial repair service covers:
- Leak detection and moisture surveys
- Membrane patching and seam repair on TPO, EPDM, and PVC
- Flashing, curb, and penetration re-sealing
- Drain, scupper, and ponding water correction
- Storm, hail, and wind damage repair
- Emergency tarping and leak stabilization
Commercial Roofing FAQs
Let's Protect Your Building
Whether you need a new commercial roof, a repair, or a maintenance plan you can count on, our team is ready to help. Tell us about your building and we'll get you a clear, no-pressure proposal.
Get a Commercial Quote