LaSalle County · IL

TPO roofing in Triumph, IL.

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TPO roofing in Triumph

What to know about tPO roofing in Triumph.

TPO is a heat-welded single-ply membrane common on commercial and low-slope roofs. It is white and reflective, and seam quality is what mostly decides its lifespan.

For LaSalle County, NOAA lists 5 hail reports (largest 1.75 in), 42 damaging-wind reports (up to 68 mph) and 6 tornado reports from January 2024 to June 2026. These count reports, not damaged roofs.

County
LaSalle County
Hail reports (county)
5
Damaging wind reports
42
Before you hire

Questions to ask about tPO roofing.

  • Who welds the seams and how are they tested?
  • What membrane thickness and manufacturer warranty are quoted?
  • How are drains, flashing and penetrations detailed?
  • Is tear-off or recover being proposed and why?
Local storm news

Recent storm reports near Triumph.

Tornado29 mi S of Triumph

EF3 tornado 1 mi SE of Streator

A tornado which touched down near Long Point in Livingston County, moved northeast and crossed into LaSalle County just east of Prairie Grove Road and was likely at peak intensity as it crossed into LaSalle County as well as at its...

Wind20 mi SE of Triumph

67 mph measured gust 2 mi SSW of Marseilles

A personal weather station measured a wind gust to 77 mph.

Tornado8 mi W of Triumph

EF1 tornado 1 mi SW of Peterstown

An EF-1 tornado with peak winds near 95 mph appeared to have started just south of County Road 2200 N in Bureau County, where a barn structure sustained roofing damage. The tornado then moved northeastward into LaSalle County, producing...

Source: NOAA NCEI Storm Events Database, data through Jun 30, 2026. All storm reports for Triumph

Costs

TPO roofing costs in Triumph.

JobTypical US range
Flat roof (TPO / EPDM), average home$5,000 – $12,000

National planning ranges for an average ~2,000 sq ft home, not quotes. Local labor, roof pitch, layers to remove, materials and permits change the price.

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  1. Tell us about your roofFive quick questions about the job, roof type and timing. No account needed.
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FAQ

TPO roofing in Triumph, answered.

What is TPO roofing?

A thermoplastic polyolefin single-ply membrane whose seams are heat-welded; common on flat commercial roofs.

TPO or EPDM, which is better?

Both work. TPO is heat-welded and reflective; EPDM is a rubber membrane with glued or taped seams. Installer experience matters more than the name.

Do I need a permit for tPO roofing in Triumph?

Many cities and counties require a building permit for roof work; the roofing company normally pulls it. Ask who is responsible and request a copy. Check with the LaSalle County building department for local rules.

Is this service free?

Yes. RoofersNearMeHub is free for homeowners. Roofing companies that receive your request may pay us for the introduction; you are never obliged to hire anyone.

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