Bondo® Fibreglass Resin is the same high-strength polyester resin that is used to build most boats. Can be used alone or with fibreglass tape, cloth or mat to repair damaged fibreglass boats, snowmobiles, jet skis, bathtubs and showers.Bondo® Glazing and Spot Putty smooths and repairs pin holes, scratches, nicks, minor dents, stone chips, and other surface imperfections in automotive paint and bodies. This product is a 2-part component formula that securely and quickly bonds to primer, metal, fibreglass and aluminum. Fast-drying and non-staining to help ensure consistent paint finishing, this putty's one-part application requires no mixing and shrinks over-time helping to ensure lasting repairs without rework. Additionally, its tube is designed to help ensure easy dispensing and application.