In the hot summer season, the pavement expands and closes the cracks. During spring and fall, cracks are open midway and this is why those seasons are considered optimal times for crack repair.

Fabulous CRACK HACK I’m a gardening whizz & hate grass growing out of my patio – so I found a cheap and easy mixture to get rid of it all Ayla Soguksu Published: 8:17, 30 Jul 2023 ...

By offering crack routing to your customers, you’re providing them with properly prepared cracks that are 40% more likely to hold sealant and last almost twice as long.

And then, on the opposite end of that spectrum, there are weeds that somehow grow through the smallest cracks in pavement, or between bricks, and, against all odds, manage to flourish.