Glossary – M


Manhole: 
An access opening to allow the inspection of the roof structure, floor structure, plumbing or electrical wiring

Mantle:
The shelf located above a fireplace opening.

Masonry:
A construction of Brick, concrete block, stone, terra cotta or other structural units laid in mortar.

Membrane:
Generally a water proof sheeting, or coating material applied in-situ, with the joints sealed to prevent water penetration.

Metal Framed Construction:
Construction in which the structural members are of metal or depend on a metal frame for support

Mortar:
A cement-sand mixture used to bond bricks, stone or concrete blocks together

Moulding: 
Decorative strips of wood used to conceal joints

Mullion: 
The vertical member between two adjoining windows

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