Several reasons why concrete pads fell. The saw cuts after the concrete has dried, the cuts need to be put in same day or the very next day to relieve cracks in the concrete.
Concrete hardens and separates very quickly.
If you are using several trucks and several pores where the concrete pours meat makes those in so there’s not a cold Joint which is susceptible to crack.
I added a 40 inch drain 4 feet from the Garage Door front front of the garage and I should’ve added another 40 inch drain towards the back of the garage and connected them to help when I am washing my vehicles.
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