8 Flashcards
lock rail
An intermediate horizontal member of a door or window frame that can accommodate a lock.
dampproofing
The materials and methods used to prevent moisture from penetrating a building at or below grade.
vertical-grained lumber
Lumber with rings at 45 degrees to 90 degrees with the wide face. Also called edge-grained lumber.
backset
The distance from the edge of a door to the center of the knob or lock cylinder.
friable
Soil that is easily crumbled or reduced to powder.
rabbet
A groove cut into a member to receive another member.
aluminum
A silvery-white metal obtained from bauxite clay by the electrolytic process. Its properties include light weight, good heat and electrical conductivity, and resistance to corrosion after forming a protective oxide coating.
sidewalk elevator
A freight elevator that rises to or directly on the sidewalk level by opening hatch doors in the ground floor.
preservative
A substance that inhibits the development and action of fungi, borers, and insects that deteriorate wood.
zinc
A low-strength metal that is highly resistant to corrosion and therefore used for protective coatings on steel, such as galvanizing.
ASTM
American Society for Testing and Methods
stile
The upright or vertical edge of a door or window.
sliding door
A door that moves horizontally, either on a track in the floor or from rollers at the head.
reglet
A slot in which roofing material or flashing is inserted, generally in a vertical wall surface.
mastic
A permanently plastic waterproof adhesive material used in sealing joints.
Unified Soil Classification System
The most widely used system for classifying soils. In this system, the soils are primarily classed as coarse-grained (gravels and sands), fine-grained (silts and clays), and highly organic.
California bearing ratio (CBR)
A ratio used to determine the bearing capacity of a soil, based on a standard test.
pith
The heart center of a log.
parging
The application of plaster to the back of masonry walls.
K-value
The thermal conductivity of a material.
varnish
A clear coating consisting of resins dissolved in a volatile liquid. Varnish produces a hard, smooth, and glossy protective film.
ram
The driving device of a hydraulic elevator, which is powered by liquid under pressure within a cylinder. Also referred to as a plunger.
sheeting
Vertical members used to temporarily hold the face of an excavation during construction.
safety glass
Laminated glass, consisting of a thin sheet of transparent plastic laminated between two layers of clear glass. Also referred to as shatterproof glass.
