answersLogoWhite

0


Best Answer

3.5 to 4 yards, depending to some extent on where you live and building codes. 6" uniform thickness would require around 3.5 yards.

User Avatar

Wiki User

15y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How many yards of concrete needed for a 18' x 28' slab?
Write your answer...
Submit
Still have questions?
magnify glass
imp