What is lignum vitae?
Lignum vitae is the extremely hard, heavy and self-lubricating timber of the Guaiacum tree, traditionally used for bearings, bowls and tool parts.
What is a pad foundation?
A pad foundation carries a building’s loads on individual concrete blocks beneath columns or ground beams, rather than on a continuous strip.
What is pulverised fuel ash?
Pulverised fuel ash is the fine ash residue from coal-fired power stations, used as a pozzolanic addition in concrete and mortar to replace part of the cement.
What is pneumatic?
Pneumatic means powered by compressed air. On site that covers air tools, pneumatic conveying of materials and inflatable structures.
What is a PMMA floor?
A PMMA floor is a resin floor based on polymethyl methacrylate, known for its very short curing time and for being workable at low temperatures.
What is a plenum?
A plenum is an enclosed void in a building used as an air chamber, typically above a suspended ceiling or beneath a raised access floor.
What is a plaster coat?
A plaster coat is a layer of mortar applied to a wall or ceiling to make the surface flat, closed and ready to decorate.
What is a plaster base?
A plaster base is an intermediate layer — lath, mesh, matting or board — that lets plaster grip a background it would not otherwise stick to.
What is a quarry tile?
A quarry tile is a thick, fired clay floor tile, usually unglazed, absorbent and with natural colour variation from the clay and the kiln.
What is a flat course?
A flat course is a course of brickwork laid flat on the bed with the header face showing — the lying counterpart of a brick-on-edge course.