Rubber coat 57 roof tar.
How to repair a roof with tar.
Fill hole with cement.
Leaks and other damage to tar and gravel flat roof are repaired by patching the roofing membranes and a temporary roof leak repair may be required before a roofing contractor can create a more permanent fix.
You may need to cut out a narrow strip.
How to do it.
Allow the primer to flash off so that there is no excess primer on the surface of the roof.
Spread a layer of tar on the roof beneath the spot you have cut away.
Cut patch and coat.
Press the flaps from the cut portion into the tar and then spread another layer of tar on top of the flaps.
Push the tar from.
Use a utility knife to cut a slit in a bubble or lift up the two sides of a crack.