Question 1

What is the difference between Concrete and cement?

Accepted Answer

Concrete is a mixture of cement, water, sand, and gravel. It is used for large construction projects such as highways, bridges, and skyscrapers. Concrete is also used in the manufacture of tiles, countertops, and other household items.

Cement is a powder that when mixed with other products forms concrete, mortar and render. When it sets, it forms a strong bond between bricks, stones, and other building materials.

Question 2

What is the difference between rapid set concrete and general purpose cement?

Accepted Answer

The main differences between rapid set concrete and general-purpose cement is the preparation required and the speed at which it sets.

Rapid set concrete mix is bagged ready to use and sets much quicker than standard concrete mix, making it ideal for quick fixes.

General purpose cement needs to be combined with sand, water and aggregates to create concrete, mortar and render mixes before use.

Question 3

Is it necessary to seal concrete after it dries?

Accepted Answer

Sealing concrete is not always necessary, but it is recommended. Sealing concrete will help to protect it from moisture and weathering.

Question 4

What are some common applications for cement?

Accepted Answer

Cement is a powder that is mixed with water to form a paste. When it sets, it forms a strong bond that can withstand the test of time.

Cement, when combined with other material, is used in a variety of applications, including:

Bricklaying
Stonework
Concrete work
As a bonding agent in construction projects

Question 5

How long does it take for concrete to dry?

Accepted Answer

Concrete sets and dries relatively quickly, depending on the formula. Rapid set concrete sets in around 15 minutes, and is ideal for installing clotheslines, letterboxes and fence posts.

Standard concrete has a longer cure time and is better suited to footpaths, small slabs, footings and garden edging.

Question 6

What's the difference between mortar and concrete?

Accepted Answer

Mortar is a mixture of cement, sand, and water that is used to bind bricks and stones together. Mortar is used to fill in the gaps between bricks and stones, and it can also be used to coat masonry surfaces.

Concrete is a mixture of cement, sand, gravel and water and can be used for many applications including pathways, slabs, footings, post holes and landscaping.

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