Construction Terminology

An explanation of some industry terms

Select a letter from the alphabet above to view the definition for the terms we currently have in our database. You can also search the database for a particular term, or if you want submit terminology which isn't in the database at present.

Terms beginning with 'P' - 1 to 5 of 5

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Parapet

Wall which projects above the roof

Permeable

The characteristic of a soil that permits water to move through it at an appreciable rate

Permeable paving flag

Flag intended, by its structure, to allow the passage of water through the flag

Plasticity index (PI)

The plasticity index of a soil is the numerical difference between its liquid limit and its plastic limit. The liquid limit and plastic limit are both expressed as a percentage of moisture content.

Proctor test (density)

A method for determining the moisture-density relationship in soils subjected to compaction.


Term
Description