TPO and EPDM flat roofing systems protect Van Nuys buildings differently—TPO's heat-welded seams rarely fail while its light color cuts cooling costs, but EPDM's rubber resists punctures better. Choosing between them requires understanding how each handles the region's intense UV exposure, temperature swings, and energy efficiency standards.
❓ Frequently Asked Questions
How long do TPO and EPDM roofs typically last in Van Nuys?
Both TPO and EPDM are designed for 20-30 years under typical conditions, but TPO generally performs better in Van Nuys's intense UV exposure. Most manufacturers warranty TPO for 15-20 years and EPDM for 10-15 years. In our region's sun, TPO's UV-stable formulation extends its practical lifespan, while EPDM's dark surface can harden and become brittle faster.
Does TPO or EPDM save more money on cooling costs?
TPO's light color reflects 65-85% of solar radiation, potentially reducing cooling costs by 10-15% during Van Nuys's hot summers compared to EPDM's minimal reflectance. The exact savings depend on your insulation and HVAC efficiency, but property owners upgrading from EPDM to TPO typically report meaningful reductions in July and August utility bills.
Can I call Roof Repairs and Construction Inc. for emergency flat roof repair?
Yes. We provide emergency roof repair services in Van Nuys, including same-day tarping and water damage mitigation for failed flat roofs. Call (323) 474-1088 immediately if you have active leaks or structural damage. We'll assess whether TPO or EPDM repair or replacement is the right solution for your property.
Why do TPO seams fail less often than EPDM seams?
TPO seams are heat-welded, creating a permanent molecular bond between two pieces of membrane. EPDM seams rely on adhesive or tape that can degrade over time due to UV exposure and temperature cycling. In Van Nuys's extreme sun, adhesive-sealed seams are more prone to separation, making TPO's permanent welds significantly more reliable for preventing water infiltration.


