Commercial roof replacements are huge projects with a wide array of factors that can influence the cost, project timeline, and how invasive or noninvasive the project will be. Some factors include the height of the building, access, whether the project requires a full replacement or an overlay, and the type of new roof to be installed. Just as important are the weather conditions and time of year it’s being replaced.

We’ll take you through Only Roofing-tested process of the roof inspection, estimating, planning, scheduling, and budgeting, and all of the major variables and considerations to keep in mind as you determine how and when to replace your commercial roof.

Unfortunately, there’s no “one size fits” all approach to commercial roof replacements, however a professional and experienced commercial roofing contractor should always conduct a thorough in-person assessment of the existing roof to review all existing conditions (i.e access, height of the building, etc.), as well as take core samples to provide customers with multiple options for the project’s scope.

Using a 3-part plan, they’ll build a timeline of your commercial roof replacement that details every aspect of their roofing services — from design to mobilization to crew size to footprint to closeout — all while taking into account the building type, the customer’s needs, and the building occupants’ comfort.

But there’s a lot of other supplemental information to take into account before committing to a commercial roof replacement, which we’ve outlined in detail below. Warranties, commercial roof types, and more are explained to give you a better understanding of everything the involved process entails.