Mortar Flashcards

1
Q

How much mortar can one person mix in an hour?

A

One cubic yard

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2
Q

What are the characteristics of good mortar forms?

A

Tight
Rigid
Strong

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3
Q

What are the nominal and actual measurements of a concrete block?

A

Nominal: 8” x 8” x 16”

Actual: 7-5/8” x 7-5/8” x 15-5/8”

Allows for 3/8” mortar joint

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4
Q

Types of mortar

A

M, S, N, and O

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5
Q

Desirable properties of mortar

A

Plasticity
Water retentivity
Strength and durability

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6
Q

How much space should be left for the closure block?

A

16-1/2”

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7
Q

What does planning save?

A

Considerable labor
Time
Materials

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8
Q

When can you tool joints?

A

Once they are thumbprint hard

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