Most single-ply roofing systems have an oily residue that is present on the roof surface for around five years after installation. This helps to protect the single-ply membrane, but makes it difficult for our material to adhere to the surface without a primer. However, after about five years, the oily material wears off and our material no longer requires a primer on these surfaces.
Below are the products we recommend if you have a PVC, TPO or Hypalon roof: