Flat roofing is what separates experienced contractors from general roofers. The materials are different, the installation methods are different, and the failure points are different. Hana Roofing & Maintenance has been installing flat roofs in Hana for 23 years. We know what works and what doesn't in HI's climate.
Our Flat Roofing Process
Flat Roof Inspection
Our inspector checks every detail: ponding areas, seam separations, flashing failures, clogged drains, UV degradation, and blistering. Core samples test insulation moisture content. You get photos and an honest assessment.
Detailed Proposal
Your proposal includes membrane type, insulation R-value, drainage design, and warranty coverage. If multiple options make sense, we price all of them so you can compare and choose what fits your budget and goals.
Membrane Installation
Insulation board cut and installed with staggered joints. Membrane installed over insulation per manufacturer specs. All penetrations (pipes, vents, HVAC curbs) receive custom-fabricated flashing. Drains and scuppers cleared and properly connected to the new membrane system.
Completion & Warranty
Final roof inspection with drainage verification. Warranty paperwork provided. We recommend a maintenance plan to keep your flat roof performing and your warranty valid for its full term.
What Hana Customers Say
"Responded fast and got the job done right the first time. Crew was polite, professional, and cleaned up everything. Would absolutely hire again."
"We called expecting to wait days, but they were here the same afternoon. Fair pricing, quality work, and they kept us informed every step of the way."
"After getting several quotes, these guys stood out with their honesty and knowledge. No pressure, just straightforward advice and excellent workmanship."
Why Choose Hana Roofing & Maintenance for Flat Roofing?
All Flat Roof Systems
TPO, EPDM, PVC, modified bitumen, built-up roofing, and coatings. We install the right system for your building, not whatever we have on the truck.
Specialized Flat Roof Crew
Flat roofing requires different skills and equipment than sloped roofing. Our flat roof crew does this work every week, hot-air welders, torch kits, and adhesive systems are their daily tools.
Electronic Leak Detection
We use electronic testing to pinpoint flat roof leaks without destructive investigation. Find the source, fix the source, move on.
Manufacturer Warranties
15-20 year manufacturer warranties on new flat roof installations. Coating systems warrantied for 10-15 years. All backed by certified installation.
About Our Hana Flat Roofing Services
Modified bitumen is our recommendation for residential flat roofs and high-traffic commercial applications. Two-ply torch-applied SBS system with a granulated cap sheet handles foot traffic, thermal cycling, and HI UV exposure. It's the toughest flat roof membrane for everyday abuse.
Call (877) 349-1553 for a free flat roof assessment. We inspect the membrane, seams, flashings, drains, and overall condition. Core samples check the insulation for moisture. You get an honest recommendation and a written estimate.