TV 7&4 Building in Traverse City – Metal Roof Replacement with a New PVC Roof Written by dewardknapp on March 20, 2019. Posted in New Roof. Partial Roof Replacement TV 7 & 4 of Traverse City, MI required a replacement roof. They selected a Sika Sarnafil PVC roof.Communications equipment and through the roof exhaust vents and services are seen on the roof prior to the project. The old roof was a tar and gravel in parts, metal roofing elsewhere.Part of the old roof consisted of standing seam steel roofing.HVAC equipment is also installed on the roof.This photo shows the removal of the tar and gravel roof, partially complete.Another view of roof removal during the roof preparation phase of the project.Removing old material is often critical to obtaining the best result from the installation of a new PVC roof.The technician is installing rigid insulation. Reduced heating and cooling costs contribute to the payback for the new roof.The new PVC roof on one section of TV 7 & 4 in Traverse City, MI.A view of the PVC roof newly installed showing waterproofing treatment of equipment bases and through the roof services. Previous Next