You must inspect rafters for cracks, sagging, or insect harm for the duration of routine roof checks. Leaks or drinking water stains inside your attic may well suggest compromised rafters. Roof joists are horizontal structural members that help the roof deck and framework, transferring the load into the partitions beneath. https://plantyhouse.com/the-ultimate-guide-to-choosing-a-4x10-plastic-shed-for-your-backyard/