Efflorescence is the white powdery substance you might notice on basement walls, concrete surfaces, or masonry materials. It forms when water moves through a porous material like concrete or brick, ...

Q: I just bought my first house and am about to remodel my basement. The previous owners of the house glued 2-inch-thick foam insulation to the poured concrete walls. It’s got an aluminum foil face on ...

This basement sealer might seem expensive compared to other gallon-sized products, but since it’s a concentrate, it actually covers up to 1,000 square feet when mixed with four gallons of water. It’s ...

It is the most widely used man-made product in the world, used in everything from the Hoover Dam to the tallest building in the world, the Burj Kalif, in Dubai. Reinforced concrete has been utilized ...

A single concrete block, as used for construction Concrete is a composite material composed of aggregate bound together with a fluid cement that cures to a solid. It is the second-most-used substance (after water), [1] the most widely used building material, [2] and the most-manufactured material in the world. [3] When aggregate is mixed with dry Portland cement and water, the mixture forms a ...

Concrete, in construction, structural material consisting of a hard, chemically inert particulate substance, known as aggregate (usually sand and gravel), that is bonded together by cement and water. Learn more about concrete, including its history and uses.