Tuesday, 31 December 2013 Written by Administrator
» Metal ceilings - offer a variety of options. Choose from old world tin, curved, modern metal, Effects wood looks, or everything in between.
» Mezzanine Floors - A mezzanine or entresol is a raised platform that is independent of a building structure and is supported by steel columns. Mezzanine flooring can create
additional floors of space for a variety of different uses such including storage or extra office space.
» Machine grading The grading of wood for its structural properties, performed by automated machiner y, as distinct from visual grading.
» Macrofiber reinforcing In concrete, fibrous reinforcement capable of pro- viding resistance to dr ying shrinkage and thermal stresses, and in some spe- cialized concretes,
also capable of act- ing as primar y reinforcing. See also Microfiber reinforcing.
» Mandrel A stiff steel core placed inside the thin steel shell of a sitecast concrete pile to prevent it from collapsing during driving.
» Mansard A roof shape consisting of two superimposed levels of hip roofs with the lower level at a steeper pitch than the upper.
Manufactured home. A transportable house that is entirely factor y built on a steel underframe supported by wheels; eu- phemistically referred to as a mobile home.
» Marble A metamorphic rock formed from limestone by heat and pressure. Mason One who builds with bricks,
stones, or concrete masonr y units; one
who works with
concrete.
» Masonry Brickwork, concrete block- work, and stonework.
» Masonry cement A hydraulic cement made from a blend of portland cement, lime and other dr y admixtures designed to increase the workability of the mortar. See also
Cement-lime mortar.
» Masonry opening The clear dimension required in a masonr y wall for the instal- lation of a specific window or door unit.
» Masonry unit A brick, stone, concrete block, glass block, or hollow clay tile in- tended to be laid in mortar.
» Masonry veneer A single wythe of ma- sonr y used as a facing over a frame of wood or metal.
» MasterFormat The copyrighted title of a uniform indexing system for con- struction specifications, as created by the Construction Specifications Institute and Construction
Specifications Canada.
» Mastic A viscous, doughlike, adhesive substance; can be any of a large number of formulations for different purposes such as sealants, adhesives, glazing com- pounds, or
roofing cements.
» Mat foundation A single concrete footing that is essentially equal in area to the area of ground covered by the building.
» Medium-density fiberboard (MDF) A fine-grained wood fiber and resin panel product.
» Medium-density overlay (MDO) A me- dium-weight, resin-treated overlay applied to plywood panels to achieve a smoother, more durable face.
» Medium-range sealant A sealant mate- rial that is capable of a moderate degree of elongation before rupture.
» Meeting rail The wood or metal bar along which one sash of a double-hung, single-hung, or sliding window seals against the other.
» Member An element of a structure such as a beam, girder, column, joist, piece of decking, stud, or component of a truss.
» Membrane A sheet material that is im- per vious to water or water vapor. Membrane fire protection A ceiling
used to provide fire protection to the
structural members above.
» Metakaolin A white-colored natural poz- zolan that enhances appearance, workabil- ity, and hardened properties of concrete; also called high reactivity metakaolin.
» Metal decking Corrugated metal sheets used as the structural base for floors ("floor decking") and roofs ("roof deck- ing") in steel frame construction. See also Celluar
decking and Composite metal decking.
» Metal lath A steel mesh used primarily as a base for the application of plaster. Metallic-coated steel Steel sheet coated
with zinc or zinc-aluminum for improved
corrosion
resistance.
» Metamorphic rock A rock created by the action of heat or pressure on a sedi- mentar y rock or soil.
» Microfiber reinforcing In concrete, fibrous reinforcement against plastic shrinkage cracking. See also Macrofiber reinforcing.
» Microsilica See Silica fume.
» Middle strip The half-span-wide zone of a two-way concrete slab that lies midway between columns.
» Mild steel Ordinar y structural steel, containing less than three-tenths of 1 per- cent carbon.
» Mill construction The traditional name for a construction type consisting of exte- rior masonr y bearing walls and an interior framework of heavy timbers and solid tim- ber
decking; also called slow-burn construc- tion. See also Heavy timber construction.
» Milling Shaping or planing by using a rotating cutting tool.
» Millwork Wood interior finish compo- nents of a building, including moldings, windows, doors, cabinets, stairs,
mantels, and the like.
» Minimum critical radiant flux expo- sure A measure of a material's resistance to ignition by the radiant heat of fire and hot gases in adjacent spaces, usually ap- plied to
flooring materials.
» Miter A diagonal cut at the end of a piece; the joint produced by joining two diagonally cut pieces at right angles.Mobile home See Manufactured home. Model building
code A code that is of- fered by a recognized national organiza-
tion as worthy of adoption by state or lo-
cal governments.
» Modified bitumen A natural bitumen with admixtures of synthetic compounds to enhance such properties as flexibility, plasticity, and durability.
» Modified bitumen roof membrane A multi-ply bituminous roof membrane made from plies of factor y-manufactured modi- fied bitumen sheets.
» Modular Conforming to a multiple of a fixed dimension.
» Modular green roof A green roof system in which all components are provided in self-contained, easily transported and in- stalled trays or modules.
» Modular home A house assembled on the site from boxlike factor y-built sections. Modulus of elasticity An index of the
stiffness of a material, derived by measur-
ing the
elastic deformation of the mate- rial as it is placed under stress and then dividing the stress by the deformation.
» Moisture barrier A membrane used to resist the migration of liquid water through a floor, wall, or roof.
» Molding A strip of wood, plastic, or plas- ter with an ornamental profile.
» Molding plaster A fast-setting gypsum plaster used for the manufacture of cast ornament.
» Moment A force acting at a distance from a point in a structure so as to cause a tendency of the structure to rotate about that point. See also Bending moment, Moment
connection.
» Moment connection A connection be- tween two structural members that is highly resistant to rotation between the members and therefore capable of trans- mitting
bending moments between the con- nected members, as differentiated from a shear connection, which allows (slight) rotation. See also Fully restrained moment connection,
Partially restrained moment connection, and Simple connection.
» Moment-resisting frame A structural building frame, strengthened to resist lateral forces with moment
connections between beams and columns.
» Momentum The tendency of a moving body to continue to move in the same direction unless acted on by an outside force.
» Monolithic Of a single massive piece. Monolithic terrazzo A thin terrazzo top- ping applied to a concrete slab without an
underbed.
» Mortar A substance used to join mason- r y units, consisting of cementitious ma- terials, fine aggregate, and water. See also Cement-lime mortar, Lime mortar.
» Mortar bed tile See Thickset tile.
Mortar cement In masonr y, a blend of portland cement, lime, and other addi- tives, that produces mortar comparable in its bond strength properties to cement- lime mortar.
See also Cement-lime mortar.
» Mortise and tenon A joint in which a tonguelike protrusion (tenon) on the end of one piece is tightly fitted into a rectangular slot (mortise) in the side of the other piece.
» Movement joint A line or plane along which movement is allowed to take place in a building or a surface of a building in response to such forces as moisture expansion and
contraction, thermal expansion and contraction, foundation settling, and seismic forces.
» MPa Megapascal, a unit of pressure equal to 1 meganewton per square meter.
» Mud set tile See Thickset tile.
» Mud slab A slab of weak concrete placed directly on the ground to provide a usual- ly temporar y working surface that is hard, level, and dry.
» Mullion A vertical or horizontal bar be- tween adjacent window or door units. A framing member in a metal-and-glass cur- tain wall.
» Muntin A small vertical or horizontal bar between small lights of glass in a sash. Muriatic acid Hydrochloric acid.
» Mushroom capital A flaring conical head on a concrete column.
Last Updated on Wednesday, 22 January 2014 07:21
