G
Guest
you said it was brick/mortar work........
maybe i missed something here..........but why not just plug it with more concrete/mortar???
im pretty sure that would seal it in a nonflammable way if u can tell where all the cracks are. sure, you'll have to deal with it in 10 years, but its nonflamable
maybe i missed something here..........but why not just plug it with more concrete/mortar???
im pretty sure that would seal it in a nonflammable way if u can tell where all the cracks are. sure, you'll have to deal with it in 10 years, but its nonflamable