Crack Injection & Sealing

Epoxy against polyurethane, and what a sealed crack still lets through.

4 articles

• Injecting a Crack — Right for One Leak, Wrong for a Wet Basement

  The cheapest real repair in the subject, and it only works when the diagnosis is a single crack in a poured wall.

• DIY Crack Injection — Feasible on the Right Crack, and Easy to Waste

  The materials are the same. What a professional brings is the judgement about whether this crack should be injected at all.

• Monitoring a Crack — Twelve Readings Beat One Opinion

  A crack measured once is consistent with every possible explanation. Measured monthly for a year, it tells you which one is true.

• Epoxy or Polyurethane Crack Injection? — Structural vs Watertight

  One restores strength, the other stops water. Choosing on price means choosing the wrong one about half the time.