Any supply chain issues may contribute to material shortages and delivery delays, so this may factor into the final price of a roofing job. For instance, the cost of a tin roof vs. shingles may differ by several thousand dollars both for installation and repair. Special knowledge is required to install and repair a roof, so it’s important to thoroughly vet candidates when considering companies for roofing projects. Paying an inexperienced roofer or trying to DIY roof repairs can cost a homeowner...