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should work, high pressure injection is the best and have lifetime warranty. & S# \% y: [5 [* g. A( \6 j# ]! l3 D
hairline cracks not going all the way through wall is not unusual, 7 T3 l5 a2 Z7 X- j0 [5 h 9 F! X- e8 i) Jbig crack is rare, if possible, I rather back off