Glossary

An insulation composed principally of a polymerized styrene resin which has been processed to form a rigid foam having a […]

A plastic containing numerous cells disposed uniformly throughout its mass.

Any material that contains many cells (either open or closed, or both) dispersed throughout the mass.

A floor having hollow openings in it that provide ready-made raceways for distributing wiring for telecommunications and electric power.

Construction with concrete elements in which part of the interior concrete is replaced by voids.