Sika® Black Jack®-904 Bitumen Roof Felt Adhesive is a cold applied, oxidised bitumen based adhesive used to bond roofing felt to most surfaces. Specifically designed for bonding all types of roofing felt to metal, concrete, wood, sealing felt laps and as a cold gritting solution for bonding mineral chippings.
- High bond strength.
- Also suitable for gritting.
- Flexibility - provides a tough but flexible film which hardens and softens with changing temperatures.
