They did not address that this is the completely wrong product for this application What is in the spec for the project issued by the government was a product called pipline 5000 This is an Application failure poor quality control, bad workmanship ! the product used was not intended for this purpose, the product is NOT UV Tolerated it will de-laminate, if fully hardened it is not possible to cut it with a knife or box cutter Known Limitations Continuous UV Exposure: As an MDI-based formulation, constant unprotected sun exposure can cause it to oxidize, chalk, or fade over time. Specialized topcoats (like Rhino Shine) are occasionally used to restore its look. Chemical Vulnerability: It is highly sensitive to strong oxidizers and chemical treatments, which can cause the material to degrade or de laminate. By putting in hydrogen peroxide Which is an Oxidizer they are just making it worse the blind leading the blind !! Preparation: Substrates must be completely cured, dry, and mechanically abraded (e.g., sandblasted) with an appropriate bonding agent to prevent peeling