Washington What You Should Know: Repairing damaged trusses or rafters on your manufactured or mobile home is an important part of maintaining the structural integrity of your home. Trusses are the structural framework of your roof and rafters are the beams that hold the roof up. Depending on the type of roof, there are different types of truss and rafter systems used in manufactured and mobile homes. Common truss systems include king post, fan, bowstring, and scissor trusses. Common rafter systems include hip, common, and valley rafters. To repair a damaged truss or rafter, you will need to assess the damage, remove the damaged part, and replace it with either a new part or a salvaged part. To ensure a secure fit, you may need to use metal plates, screws, and nails. If the damage is extensive, you may need to cut out the entire section and replace it with a new one. When repairing damaged trusses or rafters, it is important to wear protective gear and follow all safety guidelines. If you are unsure of how to safely repair damaged trusses or rafters, it is best to contact a professional.