Great Stuff Window And Door Vs Gaps And ^new^ Cracks • Best Pick

"Big project?" Sarah asked.

Mark stood in the insulation aisle, overwhelmed by the wall of spray foam and caulk. A store employee, a seasoned DIY veteran named Sarah, found him staring blankly at two cans. great stuff window and door vs gaps and cracks

Even the blue can has limits. For gaps larger than ¾ inch, you must insert a (a foam rope) into the gap first, then spray the foam around it. This prevents over-expansion and uses less product. "Big project