P

Panel

Referring to the panels within a door frame or cabinet. Also a board that is set in a frame.

Payment Schedule

A schedule of payments. The contract usually describes at what point the customer will pay the contractor. Can include a deposit, periodic payments for materials, work performed and a final payment.

Permit

Authorization from city or state government officials to perform work. This can include zoning permits, plumbing permits, building permits, electrical permits, and others. Qualified inspections will also provide you with peace of mind that your project is being performed safely and up to proper codes.

Plywood

Common building material made of thin sheets of wood that have been pressed and glued together.

Pop-up Assembly

A drain mechanism controlled by a piece within a faucet that pushes the stopper either up or down.

Pressure Balance Valve

An important valve within shower plumbing that maintains a constant water temperature. Temperature remains constant despite changes in hot or cold water pressure.

Pressure Relief Valve

Used on a hot water heater or boiler. A device used to prevent the build-up of steam within the tank of a hot water heater, releasing steam when pressure reaches a certain threshold.

PVC

A type of pipe made of a white water-insoluble thermoplastic resin, typically used for water supply or plumbing.