Glossary Category:

Polyurethane

A plastic material frequently used to create a foam that becomes hard and acts as an insulation and sealer. The plastic usually does not work well when exposed to the direct rays of the sun.

Polyvinyl chloride

(PVC) A plastic material frequently used for fabrication of water piping

Porosity

A term used to indicate how porous a material is. A highly porous material is said to have high porosity.

Porte-cochere

A term used for a portion of a building that is used for cover for automobiles. The porte-cochere usually contains rooms that are high enough above a drive to allow an auto be parked below them.