Rising construction costs will push the price tag for rebuilding after Colorado’s most destructive wildfire beyond the insurance coverage of some homeowners, according to construction, insurance-industry and government officials. Losses are expected to reach $1 billion in last week’s Marshall Fire, which swept through the suburbs between Denver and Boulder, Colo. Rebuilding the roughly 1,000 homes destroyed and repairing damage to hundreds of others will strain already stretched builders and supply chains. The majority of homeowners in the burned neighborhoods are believed by insurers to have enough coverage for most rebuilding costs. That is in contrast to rural areas in Kentucky hit by tornadoes last month, where some working-class homeowners had little to no insurance. …Last week’s blaze was the most destructive wildfire in Colorado history in terms of numbers of structures destroyed. [a WSJ subscription is required to access the full story]