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Summary: Building dictionary to explain building jargon and terminology from A - Z.
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Building dictionary for the letter E - Page 7
Emulsified asphalt
Asphalt cement that has been mixed with water containing a small amount of an emulsifying agent. See also bituminous emulsion.
Emulsifier
A substance that modifies the surface tension of colloidal droplets, inhibiting their coalescence and maintaining their suspension.
Emulsion
(1) A mixture of two liquids that are insoluble in one another and in which globules of one are suspended in the other (such as oil globules in water). (2) The mixture of solid particles and the liquid in which they are suspended but insoluble, as in a mixture of uniformly dispersed bitumen particles in water, in which the cementing action required in roofing and waterproofing would occur as the water evaporates.
Enamel
A type of paint composed of particles of finely ground pigments and a resin binder that dries to form a hard, glossy film with very little surface texture.
Encapsulation
A technique for trapping asbestos fibres in a dense chemical substance.
Encase
To cover with or enclose in a case or lining.
Encased beam
A metal beam usually enclosed in concrete or some other similar material.
Enclosed stair
An interior staircase that has a closed string on each side, often encased in walls or partitions. There are also door openings at various floor levels, thus making it accessible to hallways of living units.
Enclosure
The containment behind airtight, impenetrable, permanent barriers of sprayed-on or troweled-on asbestos-based materials.
Enclosure system
A contamination-control system consisting of a work area, a holding area, a washroom, and an uncontaminated area.
Encroachment
The unauthorized intrusion or extension of a building or structure onto the property of another.
Encumbrance
(1) A liability attached to real property, such as a mortgage, a lien, and certain easements. (2) A restriction on the use of a piece of property.
End anchorage
A mechanism designed to transmit prestressing force to the reinforced concrete of a posttensioned member.
End bearing pile
A pile supported mainly by point resistance. The pile's point (toe) rests on or is embedded in a posttensioned member.
End butt joint (end joint)
(1) A joint formed when boards are connected square end to square end. (2) A joint between two veneers, formed perpendicular to the grain. (3) In masonry, a joint in which mortar connects the butt ends of two bricks.
End grain
The grain that is exposed when a piece of wood is cut perpendicular to the grain.
End joint
See end butt joint
End rafter
A common rafter positioned in line with the ridge of the roof.
End scarf
A scarf joint between two timbers made by notching and lapping the ends and then inserting the end of one into an end of the other.
End span
In a continuous-span floor design, the exterior span, which is often more heavily reinforced.
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