Mortar
What is Mortar?
Mortar is a workable, paste-like binding material used in masonry to bond bricks, stone, or concrete blocks together
How many types of mortars are there
There are five (5) types of mortar.
Does mortar M have a high-compressive-strength?
Which Mortar is good for general-purpose?
Type N is a good general-purpose mortar for use in above-grade masonry.
True or False: Mortar K has a very low compressive strength.
True
Name the three main aggregates found in mortar?
These are sand, cement and water
What are the different types of mortar?
These are M,S,N,O and K
Does mortar S have a high-bond-strength?
Yes, it does
Which mortar is often used for residential work?
Type O mortar is often used in older and low stress residential work.
True or False: Mortar K is rarely used in new construction
True
True or False: Mortar is used in every construction project
True
True or False: All mortars are used in the same way
False, all mortars is used for different reasons
Type S mortar is used for
structures at or below grade and in contact with the soil, such as foundations, retaining walls, pavements, sewers, and manholes.
True or False: Type O has low-lime
False, Type O has high-lime
Which mortar is recommended only for tuck pointing historic buildings constructed originally with lime and sand mortar.
Type K mortar
What does “compressive strength” mean in relation to mortar?
Compressive strength is the ability of mortar to withstand vertical loads or pressure without crushing.
True or False: Type M is for low-strength/light loads
False, Type M is for high-strength/heavy loads.
Why is Type N considered a general-purpose mortar?
Because it provides a balanced combination of strength, flexibility, workability, and cost efficiency suitable for most above-grade construction.
Which mortar type would you recommend for a foundation wall?
Type M or Type S
If you are building a non-loadbearing interior partition wall, which mortar type would be appropriate?
Type O