Also known as: PB-
PB stands for various terms. Discover the full forms, meanings, and possible interpretations of PB across different fields and industries.
A rigid insulating board made of plastering material covered on both sides with heavy paper. A sandwich made of two sheets of cardboard with a gypsum plaster filling, typically 9mm or 12mm thick. Nailed or screwed to studs, joists or rafters as a carrier for a plaster skim finish, or plasterboards with chamfered edges can be jointed so that they act as a finish without being skimmed with plaster.
ArchitecturePorosity or void fraction is a measure of the void spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0 and 100%.
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