Shopping Cart
Your Cart is Empty
There was an error with PayPalClick here to try again
CelebrateThank you for your business!You should be receiving an order confirmation from Paypal shortly.Exit Shopping Cart

Quality You Can Trust

Contact us today via phone or email to take advantage of
our professional 
roofing services.



Your Roof Is Our Business

Experiencing leaks and other damages? Turn to GREAT SEAL ROOFING LLC! We provide a range of residential and commercial roofing services in Milwaukee, Wisconsin to take care of your most important asset.

Commercial Services

What Is TPO?

Thermoplastic Polyolefin (TPO) is a single-ply reflective roofing membrane made from polypropylene polymerized with ethylene propylene rubber. It is typically installed in a fully adhered or mechanically attached system to reflect UV radiation and keep the surface of the roof and the building cool during summer months.

Benefits of TPO

      • Durability
      • Flexibility
      • Versatility
      • Economical
      • Easy to Install
    • Sustainable
    • Environmentally Friendly

What Is EPDM?

Ethylene Propylene Diene Terpolymer or EPDM is a durable synthetic rubber roofing membrane. This type of material can be installed fully adhered, mechanically attached, or ballasted with its seams sealed with liquid adhesives or specially formulated tape.

Benefits of EPDM

  • Performance
  • Long Service Life
  • Highly Resistant to Ponding, Hail, and UV Damages
  • High Level of Flexibility
  • Resistant to Extreme Heat
  • Low Maintenance Requirements
  • Easy to Add Penetrations (When Need)


Why You Should Get One

      • Bring Extra Daylight into a Room
      • Let Fresh Air Enter
      • Allow Better Ventilation
        • Save on Energy Costs
        • Aesthetic Changes

Metal Roofing

Rubber Roof Repair

Chimney Repair 

Flat Roofing

See What We Can Do