![]() Next, a synthetic water resistant underlayment. The new composite roof consists of a layer of roof sheathing (plywood panels). ![]() Step 3 - Installing the New Composite Shingle Roof If there is any framing or modifications needed, we go ahead and implement those changes. A few examples of roof changes that may require additional modifications can include: adjusting the pitch of the roof, adding skylights, or adding a dormer. We also look for potential modifications needed to accommodate the new roof. If we find any damage we replace the damaged wood and replace anything sheathing that needs replacing. The rafters are the wood framing that supports the new roof. If we end up removing any of the roof deck, we will also inspect the rafters near the damaged roof deck. At this point we look for any damage from insects, wood rot, or anything else that may damage the roof deck. Step 2 - Roof Deck Inspection The Three Tree Roofing Composite Roofing Team hard at work performing a roof deck inspection next to Lake Washington in Bellevue.ĭuring this step of the re-roofing process, we start by inspecting the roof deck (sheathing). Multiple layers can exist from previous roofers roofing over the old roof instead of replacing the old roof. Sometimes there is more than one layer of old roofing. Most of the time this means taking off shingles, any old underlayment, and sheathing (plywood panels). This involves getting all the old roof materials off of the roof and into a large dumpster. The first step of the re-roofing process is to tear off the old roof. Step 1 - Tear off Before the new composite roofing shingles can go on the old ones have to come off. We are going to focus on the basics of "How to Install Composite Roofing" at a higher level. There are many details to consider when installing a roof, including local factors related to the geographic location of the house and the surrounding environment. High quality workmanship during the installation of composite roofing is just as important. Quality of roofing materials is extremely important when it comes to maximizing the lifetime of composite roofing. Extended Answer to "How to Install Composite Roofing": Overview of Composite Roofing Construction
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