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concrete glossary

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Painting Concrete

The act of painting a layer of color on a hard concrete surface, often done to cover a repair.

Patterned Concrete

See Stamped Concrete.

Penetrating Sealer

A sealing product that penetrates the flooring surface, which helps protect it from water and contaminates.


The ability of liquid or gas to penetrate a material.

pH Value

A scale used to determine the acidity or alkalinity of a material which is determined by the amount of hydrogen ion. A pH rating over 7 is considered alkaline, below 7 is considered acidic, and 7 is considered neutral.


Very small solid particles used in products such as paint or enamel to give color.

Pin Holes/Pin Lines

Tiny holes or lines in finish caused by finish sinking into low or less dense areas which can be corrected by applying an additional coat of finish.


A term used to describe wet concrete that is easily moldable.

Plastic Shrinkage Cracks

Cracks that appear in the surface of wet concrete that is still in its plastic state.


A term describing the consistency of wet concrete or its ability to be molded.

Platform Tools

Metal or plastic tools that are used to stamp deep grooves in wet concrete which are often later grouted.

Pointed Masons Trowel

See Mason Trowel


See Mason Trowel

Polished Concrete

Concrete that is polished to a certain degree of shine or gloss using diamond impregnated abrasives.

Polymer - Modified Overlay

An overlay often used as a design element or to improve resistance and performance that is cement based and mixed with polymer resins.

Polymer Stain

An acrylic-urethane based polymer solution that is used to finish flooring, available in a wide array of colors.


Refers to a polymer that contains urethane. Materials considered to be a urethane include rubber, paint, plastic and adhesive. These urethanes are chemically joined and solidified to form polyurethane.


A result of the weakened aggregate particles breaking loose, which results in crater-like holes in the surface of concrete that can be several inches in diameter.

Portland Cement

The most common type of concrete, which is usually made by burning clay and limestone.

Pot Life

The amount of time you have to work with cement or another product once it has been opened or mixed with another material before it begins to cure.


A siliceous and aluminous replacement for cement that reacts chemically with calcium hydroxide to become cementitious.


A substance applied to a flooring surface before finishing, which creates a stronger bond for the finishing coats.


The amount of roughness or texture a surface has.

Pump-up Sprayer

A tool which uses a pump that builds pressure to expel a sealer or other product.