Flat Roof Repair in Lehi, UT
Lehi Elite Roofing provides Flat Roof Repair in Lehi, UT for TPO roofing, EPDM membrane systems, and modified bitumen flat roofs. We handle leak detection, membrane seam repair, ponding water correction, HVAC curb flashing, drain repair, and full flat roof replacement for commercial buildings and modern residential properties throughout Lehi.
Lehi's growing commercial inventory includes many flat and low-slope roofing systems on tech campus buildings, retail centers, and industrial facilities. These systems require specialized repair expertise and materials — standard pitched roof repair practices do not apply, and improper repairs can void manufacturer warranties.
Flat Roof Repair Services in Lehi
Flat roof repairs require accurate leak source identification before any material work begins. Water travels horizontally on flat roofs — the interior stain is rarely directly below the actual leak entry point. We trace water paths systematically to find the true failure before opening or cutting membrane material.
Membrane Seam and Puncture Repair
Seam failures are the most common flat roof leak source. TPO and EPDM seams can separate due to thermal cycling, improper original installation, or physical stress from foot traffic and equipment servicing. We re-weld or rebond seams using appropriate techniques for the membrane type and ensure adequate coverage over the failure zone.
Punctures from rooftop work, HVAC service visits, or wind-blown debris are repaired with correctly sized patches integrated with the surrounding membrane using heat-welded or adhesive methods matching the original system.
Ponding Water and Drainage Correction
Flat roofs in Lehi often develop drainage problems over time as the building structure settles or drain components deteriorate. Standing water accelerates membrane aging dramatically, especially when combined with Utah's freeze-thaw cycles that stress ponded areas repeatedly through winter months.
We assess drainage patterns, clear blocked drains and scuppers, and evaluate whether tapered insulation or drain relocation is needed to eliminate chronic ponding areas. Membrane repair alone does not solve a drainage problem — both issues must be addressed together.
HVAC Curb and Penetration Flashing Repair
Mechanical equipment curbs, pipe penetrations, and parapet wall transitions are high-failure areas on commercial flat roofs. We re-flash these details using compatible materials and sealants, ensuring correct waterproofing geometry and long-term adhesion in Lehi's temperature extremes.
Flat Roof Systems We Service in Lehi
Each flat roof membrane type has distinct repair requirements. We work across all common systems found on Lehi commercial and residential flat-roof construction.
TPO (Thermoplastic Polyolefin) Repair
TPO is the most common flat roof membrane on newer Lehi commercial construction. Heat-welded seams are the standard repair method — we use calibrated equipment to produce seam welds meeting manufacturer width and strength specifications. Improperly welded seams fail quickly under thermal cycling.
EPDM (Rubber Membrane) Repair
EPDM performs well in cold Utah weather due to its flexibility at low temperatures. Seam repairs use contact adhesive or EPDM-specific tape products. Ballasted EPDM systems require careful stone management during repair access to avoid additional membrane damage.
Modified Bitumen Repair
Modified bitumen systems, common on older Lehi commercial buildings, are repaired with matching material using torch application or cold adhesive methods. We assess cap sheet condition thoroughly before repair to ensure new material bonds to a sound substrate.
Flat Roof Repair Frequently Asked Questions
How do I know if my flat roof needs repair? +
Common indicators include water staining on interior ceilings beneath flat roof areas, visible bubbling or blistering on the membrane surface, seam separation visible from the roof, ponding water that remains 48 hours after rain or snowmelt, and deterioration around HVAC curbs or penetrations.
What flat roof membrane types do you repair? +
We repair TPO, EPDM, modified bitumen, and built-up roofing systems. Repair methods differ by system type — TPO and EPDM use heat or chemical welding for seams, while modified bitumen uses torch or cold-adhesive techniques. We match the repair method to the existing system.
Why is ponding water on my flat roof a problem? +
Standing water accelerates membrane aging, adds structural load, and forces water into any existing seam or penetration weakness. Utah County's freeze-thaw cycles make ponding water even more damaging — water that freezes expands and stresses membrane seams and edges. Drainage correction is often required alongside membrane repair.
Can you repair flat roof leaks without replacing the entire membrane? +
In many cases, yes. Localized seam failures, punctures, and flashing deterioration can be repaired without full membrane replacement when the surrounding system is still in serviceable condition. We assess overall membrane age and condition before recommending repair versus replacement.
Do you handle HVAC curb flashing repair on commercial flat roofs? +
Yes. HVAC curb flashings are a frequent leak point on commercial flat roofs in Lehi. We re-flash curbs correctly using compatible materials and ensure drainage is not compromised around equipment areas.