They can be in flat slabs, retaining walls, foundation walls and steps. Concrete has fantastic compressive strength, but usually only 10 percent of that in tension when you try to pull or stretch ...

However, not all concrete does the same thing; there is specific concrete used for specific construction work. According to Nyanzi, options of materials available for making flat roofs are many.

They can be in flat slabs, retaining walls, foundation walls and steps. Concrete has fantastic compressive strength, but usually only 10 percent of that in tension when you try to pull or stretch ...

When you’re done finishing the concrete, cover it with plastic or keep it moist by sprinkling it several times a day for about a week. This slows the curing process and results in a stronger, more ...

Flatness of floors with an initial FF 25 didn't change much for curling deflections of 1/16 in. and 1/8 in. A curling deflection of 1/4 in., however, resulted in a significant reduction in flatness.

Q: I have a concrete-slab patio with a long crack in it that seems to be widening. What could be causing this? The house is about 30 years old and the yard slopes. A: Some things in life are ...

In the desert, flat roofs are important for keeping homes cool during the day. For that reason, the preferred material is concrete or a cement-based material that can absorb heat. Some flat roofs ...