How long does a roof replacement take?

Most residential roof replacements are completed in 1–3 days, depending on the size and complexity of your roof. We work efficiently while maintaining the highest quality standards.

Do you offer free estimates?

Yes! We provide free, no-obligation estimates for all roofing services. Call us at (956) 600-0501 or visit our contact page to get started.

What roofing materials do you use?

We use top-quality materials from trusted manufacturers including architectural shingles, metal roofing, and flat roofing systems. We'll recommend the best option for your home and budget.

Do you help with insurance claims?

Absolutely. We have extensive experience working with insurance companies. We'll document the damage, meet with adjusters, and ensure you get the coverage you deserve.

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TPO vs EPDM vs Modified Bitumen: Flat Roof Guide

May 11, 20265 min read

For a flat or low-slope commercial roof in the Rio Grande Valley, three real options exist: TPO, EPDM rubber, and modified bitumen. Here's the side-by-side.

Quick comparison

| | TPO | EPDM | Modified Bitumen | |--|-----|------|------------------| | Color | White (reflective) | Black (absorbs heat) | Black/gray | | Lifespan in RGV | 20–30 yr | 20–25 yr | 15–20 yr | | Cost (2,000 sqft) | $14k–$18k | $13k–$17k | $12k–$16k | | Hail resistance | Good | Excellent | Good | | AC impact | Lowest (white) | Higher (black) | Higher | | Seam method | Heat-welded | Adhesive | Torch-applied | | Install speed | Fast | Fast | Slowest | | Repair complexity | Medium | Easy | Hard |

Our default: TPO

For most RGV commercial buildings, TPO wins: - White membrane reflects 70%+ of radiant heat → 5-15% AC savings - 20-30 year lifespan with proper install - Heat-welded seams stronger than adhesive over time - Industry standard for new commercial since ~2010

The downside: harder to repair than EPDM. Once a TPO membrane has aged 15+ years, the chemistry resists welding cleanly.

When EPDM beats TPO

- Small commercial under 5,000 sqft (AC savings don't pencil) - Hail-prone microclimates - Replacing existing EPDM (seam compatibility) - Strict budget constraints

For more, see [Rubber Roofing for Flat Roofs in South Texas](/blog/rubber-roofing-flat-roofs-south-texas).

When Modified Bitumen still makes sense

The oldest of the three modern flat-roof systems. We use it for: - Retrofits over existing modified bitumen - Buildings where torch-down installation is required by code or owner preference - Budget-constrained replacements

It's not our default — TPO usually wins on lifespan AND cost.

Energy cost difference: real numbers

Same 10,000 sqft RGV warehouse, 30-year analysis:

| | TPO white | EPDM black | Modified bitumen black | |--|-----------|------------|------------------------| | AC load increase from roof | Baseline | +12% | +14% | | Extra AC cost over 30 yr | $0 | ~$45,000 | ~$52,000 |

The energy delta alone usually justifies TPO premium for any RGV commercial building over 5,000 sqft.

Common questions

### Can I install over existing roof?

Sometimes, depending on existing condition and structural capacity. Tear-off is usually preferred for warranty validity.

### Which is most popular in the RGV?

TPO for new commercial. EPDM for additions and small commercial. Modified bitumen for retrofits.

### What about reflective coatings?

White silicone or acrylic coatings can extend an aging EPDM or modified bitumen roof's life by 5-8 years and recover some heat-reflection benefit.

Get a flat roof quote

(956) 600-0501 — we evaluate your specific building and quote the right system in writing.