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Alliance Roofing Journal | Roof systems

TPO, PVC, or EPDM? Match the system to the building.

Membrane selection should follow the roof assembly, exposure, operations, details, drainage, maintenance expectations, and project requirements.

Book a free estimate →Emergency roof service
Single-ply installation and service capability
01Building use02Exposure03Details04Maintenance
YOUR PROPERTY

Building use

TPO, PVC, and EPDM each have established commercial applications. No membrane name alone determines whether the complete assembly is right for a specific property.

WHAT TO LOOK FOR

Exposure

Compare substrate and insulation needs, attachment, penetrations, chemicals or grease when relevant, foot traffic, reflectivity goals, edge conditions, drainage, warranty requirements, and installer capability.

PLANNING THE WORK

Maintenance

Prepared by Alliance Roofing as a planning overview. Product documents, specifications, codes, and the confirmed project design control final selection.

PUT THE GUIDE TO WORK

Compare the roof assembly—not the acronym alone.

Use this as a planning example, not a diagnosis or a description of a completed Alliance project.

01

What you have

Start with records that identify the existing membrane and assembly. Appearance alone is not a dependable product specification.

02

What the building needs

Describe roof traffic, equipment, any discharges and the spaces below. Ask how each proposed system fits those conditions.

03

What the quote includes

Look beyond the membrane name to insulation, attachment, flashings, drainage details and preparation. Ask why a proposed difference matters for this roof.

MAKE YOUR NEXT CONVERSATION COUNT

Three questions worth asking.

You do not need to know every roofing term. These questions help you understand the recommendation before agreeing to the work.

Bring your questions to a free estimate →

  1. What confirms the identity of the existing membrane?

  2. Which exposures and attachment details matter for this building?

  3. Are preparation, insulation and flashing included in each comparison?

KEEP EXPLORING

More ways we can help.

Thermoplastic membraneTPO roofing decisions backed by detail-level inspection.→Welded single-ply performancePVC roof service should account for exposure and assembly details.→Rubber membrane systemEPDM service focused on seams, flashings and long-term condition.→
ROOFING SERVICES

Ready to talk about your roof?

Share your location, what you have noticed, and when you need help.

01

Active roof leak?
Call 817-237-4444 and tell us where water is entering.

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