Q Is it worthwhile sealing a crack on the outside of my house foundation? The basement is finished so I can only get to the outside. I’ve seen your video about a carbon fibre system for concrete crack ...

Q: We have several hairline cracks in our basement floor that let water seep in and make puddles after heavy rains. Several years ago, we tried to patch them with a concrete mix, but it didn’t help.

Heavy rains can mean damp or flooded basements. Leaks in basements may be caused by cracked walls, improper grading, water in window wells or water pressure under floors. Watertight concrete is ...

Q: I recently read your article regarding "Are cracks in basement walls troublesome?" and I am wondering about cracks in basement floors. I have a number of cracks that run the entire width/length of ...

The time-honored method of repairing basement-floor cracks is to widen them with a chisel or other tool and give them an inverted V shape; the purpose is to create a crack that will “lock in” the ...

Q: My problem has to do with a few fissure-type cracks in the concrete basement floor. When we get day-after-day monsoon marathons, the water reaches a saturation point, and the hydraulic pressure ...

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Foundation problems are probably the biggest structural concern for any homeowner or potential buyer, so it’s no surprise that we tend to get a little panicky about seeing cracks in basement walls.

Q. I have a problem with a crack in the ceiling that widens in the summer and closes up in the winter, although it is still visible. The crack is slightly larger than what I would call a hairline ...