Why Are Colorado Roof Warranties Important? A new roof is a big investment, typically involving thousands of your hard-earned dollars and should last 25, 30, 40 years, or more. As with any big investment, it’s important that you are confident in the company that installs your new roof in Colorado. You can rest easy knowing that any issues that arise due to a defect in installation and/or workmanship will be 100% covered by Pioneer.