Definition of the term Pressure-Treated Lumber
Lumber that is treated in such a way that the sealer is forced into the pores of the wood.
Lumber that is treated in such a way that the sealer is forced into the pores of the wood.
Valve to relieve excess pressure in water storage tanks.
water service line where it enters the building to reduce the pressure of water in the line to an acceptable pressure used in buildings (40-55 psi desired).
Used in conjunction with wells to maintain pressure.
Any substance that, for a reasonable length of time, will prevent the action of wood-destroying fungi, borers of various kinds, and similar destructive agents when the wood has been properly coated or impregnated with it.
Concrete building components which are formed and cured at a factory and then transported to a work site for erection.
A sealant having a pre-formed shape containing solids or discrete particles that limit its deformation under compression.
A vent that includes a fan to speed up air flow. Often installed on roofs.
The energy rate, usually measured in watts. Power equals voltage times amps, or W = E x 1. The heavier the flow of amps at a given supply, the higher the rate at which energy is being supplied and used.