Foundation Flashcards
Define sub-grade block
Block located below the normal footer level
Define below-grade block
Block located below finish grade
What are foundation anchor ties and what’s their purpose and spacing?
Metal straps that are secured to the top of the foundation and wrapped to frame wall.
Spaced 3.5ft O.C.
How many standard size brick does it take to cover one block?
Six
How many standard block does it take to cover one square foot?
6.75
What is typical width of mortar joint?
3/8”
Brick wall ties are spaced at what intervals?
24” horizontally x 24” vertically
What is meant by striking a joint?
Prevents water penetration
What is meant by parging a block foundation?
To prevent water penetration and provide an attractive finish.
Should you parge and tar sub-grade block? Below-grade block?
Sub-grade : NO.
Below-grade : YES
What is the acceptable tolerance for a foundation out of square and level?
Square - 1/2”
Level - 1/2”
What is a slump test?
Measures the consistency of concrete.
Max= 5” slump
What is a whale and what is its purpose?
Brace used to support and strengthen wall forms.
On poured foundations, how long must the concrete set before the forms can be stripped?
Summer - 24 hours
Winter - 48 hours
What point is it appropriate to remove poured foundation wall ties?
Summer - 24 hours
Winter - 48 hours
