What is Mortar? Types of Mortar?
Mortar is a mixture of cement, sand, and water used for binding building materials such as bricks, stones, and concrete blocks. It is a crucial component in masonry construction and is used for holding building blocks in place, creating a level surface, and providing a decorative finish. There are various types of mortar, each with specific properties and uses.
The following are the main types of mortar:
Portland cement mortar: This type of mortar is the most common and is made of Portland cement, sand, and water. It is ideal for general construction, including bricklaying, blockwork, and repointing.
Lime mortar: Lime mortar is made from lime, sand, and water. It has been used for centuries and is still widely used today, especially for historic restoration work. Lime mortar has a high level of breathability and is flexible, making it ideal for use with soft or porous building materials.
Masonry cement mortar: Masonry cement mortar is a mixture of masonry cement, sand, and water. It is specially formulated for use with brick, concrete block, and stone masonry. This type of mortar has high compressive strength and is used in load-bearing applications.
Epoxy mortar: Epoxy mortar is a two-part system made up of epoxy resin and hardener. It has excellent chemical resistance and is used for repairing concrete surfaces, anchoring bolts and dowels, and bonding metals to concrete.
Polymer-modified cement mortar: This type of mortar is made by adding a polymer to Portland cement mortar. It has enhanced properties such as increased flexibility, reduced water absorption, and improved adhesion to building materials. It is used for tiling, rendering, and repairing cracks and gaps in masonry.
Heat-resistant mortar: Heat-resistant mortar is made from refractory materials and is used for applications where high temperatures are involved, such as fireplaces, furnaces, and kilns.
The choice of mortar depends on the specific application, the type of building material used, and the environmental conditions.
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