Mortar Types

Question 1

Type M

Answer 1

• High strength mortar
• suitable where compressive strength is desired foundation walls, retaining walls, sewers, and manholes

Question 2

Type N

Answer 2

• Medium to high strength
• Primary used in exposed masonry applications such as chimneys, parapet walls, and exterior walls subject to sever exposure

Question 3

Type O

Answer 3

• Low Strength mortar
• Ideal for interior, non-load- bearing walls

Question 4

Type S

Answer 4

-Medium - high strength
- Lateral strength is more desired than compressive strength, such as in an interior load-bearing wall application
- Lime gives type S its water-resistant properties,

Question 5

M - S - N - O

Answer 5

M - OB (most strength, manholes, basement walls, foundation)
S - ilk (interior load walls (k)ompressible
N - emp (exterior, masonry
O - low strength, nonbearing

PNEMATIC FOR MORTAR TYPES

Question 6

What gives mortar type S it’s water resistant property

Answer 6

Lime

Question 8

Whats the common ratio for Type S mortar

Answer 8

common ratio formula for Type S mortar is two parts Portland cement, one part hydrated lime, and nine parts sand