Definitive Roofing is a division of Definitive Construction. The principles at Definitive have been servicing Alaskans since 1970 as General Contractors involved in Residential & Commercial Construction. included is the construction of over 400 units of Residential housing during the 1970's - 80's & 90's. This extensive general construction experience has endowed Defintive Roofing with a wealth of knowledge and experience in the Total Roof Syatem - including: Structural Components, Insulation Types and Uses, Ventilation Designs, and Roofing Types and Applications. All of these are part of your Total Roof System. Thank you for selecting Definitive Roofing and we are happy to give you our free analysis and estimates.

Definitive Development is a family owned, local Alaskan roofing and general contracting company. Gene Brooks moved to Alaska in 1970 and hasn't looked back. He has been involved in every phase of construction since the mid 70s. Ryan Brooks, his son, grew up working along side Gene. They started focusing on roofing in the late 90s and have been providing Anchorage homeowners with the highest quality roofing ever since. Definitive Development pride ourselves on addressing the entire roof system: Ventilation, Insulation, structure, and roofing. We are the best professionals to call for re-roofs, ice dams, condensation problems, and hot spots. We install and repair all types of roofing. We stand behind our work with the longest labor warranty in the state because we believe you can count on us and our quality.

What We Do?

Definitive Development is a full service residential and commercial roofing company serving Anchorage, Eagle River, Girdwood, and the Mat-Su Valley.

  • We only use the best materials
  • Fully-consultative approach
  • Holistic Roof System Analysis
  • Pre-instillation inspections
  • Ice Dam and Ventilation Solutions
  • Year-round Service


OUr High standards, Your benefit We pride ourselves on our commitment to quality - quality of workmanship and quality of product. Our high standards mean you get the longest labor warranty in the state and products that we know will do what they claim.

Our Mission

We’re proud of our reputation. People know us for our craftsmanship and integrity. That means never stopping until our customers are satisfied. And it’s why 99% of our customers say they would refer us to others. We're Passionate About Making Your Life Better. Our team of talented professionals get excited to bring new life to your spaces. The passion that they bring to the table is the heart of our company, and it’s what our customers appreciate most.

  • Professional Design Service
    See your project before we build it
  • Price Match Guarantee
    We will not be undersold on any renovation
  • Fixed Price Agreements
    No surprises or hidden fees
  • Quick Responses
    Calls returned within 1 hour, emails within 24 hours
  • Transparency
    Constant communication to keep you in the know
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