Black Jack All-Weather Roof Cement is a pliable asphalt roof cement that can be used on damp as well as dry surfaces. All-Weather Cement is ideal for many roof repairs and for stopping roof leaks around vent pipes spouts valleys skylights gutters and chimneys. Use for the construction and repair of flashings but not on rubber membranes or EPDM roofing systems. It may also be used to seal cracks in exterior chimneys walls foundation joints and for lining leaking gutters and troughs.
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