Concrete Flashcards
0
Q
What is the finished thickness of concrete floor in basement?
A
3.5”
1
Q
When and where do we use insulation in our slabs?
A
Slab above frost level
Walkout conditions
Low grade
2
Q
What is a weather lip at a garage door?
A
1 1/2” drop down from the garage slab.
3
Q
What is an expansion joint and it’s purpose?
A
Separation line between adjoining concrete floors. Provides room for concrete movement.
4
Q
How thick is gravel base under concrete?
A
4”
5
Q
How thick should a side walk be?
A
4”
6
Q
What is the maximum slope for driveways?
A
14%
7
Q
What is the minimum slope for driveway?
A
3%
8
Q
Define bull float
A
Concrete tool that draws water to the top while leveling
9
Q
What is the thickness of an asphalt driveway?
A
2” binder
1” top
