Everbuild Black Jack 904 Bitumen Roof Felt Adhesive is a cold applied, oxidised bitumen-based adhesive used to bond roofing felt to most surfaces including metal, concrete, timber and more.
High bond strength 
Suitable for sealing roofing felt laps and bonding chippings to final layer of felt
Suitable for gritting
Provides a tough but flexible film which hardens and softens with changing temperatures
Resistant to most salt solutions, dilute acids and alkalis, water and alcohol