Concrete
Concrete is rock held together by a glue you make on site. These guides cover what goes in the mix, how it gains strength, what the psi number on a drawing promises, and how to read a crack.
- Cement vs Concrete: What's the Difference?
Cement is an ingredient. Concrete is the finished material. Here is the difference.
Published July 8, 2026
- How Long Does Concrete Take to Cure?
24 hours to walk, 7 days for cars, 28 days to full strength, and why.
Published July 8, 2026
- Concrete PSI Explained
What compressive strength means, and which psi suits which job.
Published July 8, 2026
- Concrete Mix Ratio: The 1-2-3 Rule
1 cement, 2 sand, 3 gravel, and why water is the ingredient that decides strength.
Published July 8, 2026
- Why Concrete Cracks
Shrinkage, settlement, and rust, and which cracks are cosmetic vs structural.
Published July 8, 2026
- What Is Efflorescence on Concrete?
The white powder is salt left by evaporating water. Causes, and how to remove it.
Published July 8, 2026
- Types of Cement Explained
Four portland types, one retired type, and the blended cements that replaced it.
Published July 8, 2026