Master the art of home remodeling.

With Dillman Brothers, you’ll partner with the first company in Illinois to become preferred James Hardie siding installers. We’ve also earned a certification from the Vinyl Siding Institute(VSI).

Dillman Brothers is proud to be a certified GAF roofing and CertainTeed building products installer. Our Royal Roofing products even offers a hail warranty on products that are resistant to even golf ball size hail!

Extended warranties are available on CertainTeed Roofs and all our siding products are covered by a 1-year warranty on installation.

We’d love to tell you more about the quality assurances offered by the companies we represent. For more details, just ask!


  • Members of the BBB
  • Members of the National Association of Home Builders
  • Members of the Champaign County Home Builders Association
  • Members of the Bloomington Home Builders Association
  • Members of the Bloomington-Normal Home Builders Association
  • Members of the Springfield Remodelers Association


  • Certified through GAF
  • Certified James Hardie Installers
  • Certified CertainTeed Installers
  • Certified through the Vinyl Institute
  • Roofing License: #104-005645

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