Home Construction Terminology: M thru Q

Home Construction Terminology:  M thru Q

 

You can view all of my Posts by clicking on the following LinkHelpMeFixHome.com

 

You can view other  Home Construction Terminology  not found here, by clicking on that link, and then click on any item in the drop-down menu.

 

Home Construction Terminology

Home Construction Terminology

 

MDF (Medium Density Fiberboard):  A manufactured wood product made of fine saw dust and resin. Used for shelving cleats and stairway treads.

Male:  Any part, such as a bolt, designed to fit into another (female) part. External threads are male.

Manufactured Wood:  A wood structural product such as a gluelam or microlam, or sheet goods such as OSB, MDF, particle board or finger jointed trim, which are manufactured out of smaller wood pieces and glued to form a larger piece.

Masonry:  Stone, brick, concrete, hollow-tile, concrete block, or other similar building units or materials. Normally bonded together with mortar to form a wall.

Mending Plates (aka Fascia Gusset, MP14):  Toothed metal plates used to join two pieces of fascia.

Microlam (aka Laminated Veneered Lumber [LVL]):  A manufactured structural wood beam. It is constructed of pressure and adhesive bonded wood strands. They have a higher strength rating than solid sawn lumber. Normally comes in l ½” thickness’ and 9 ½”, 11 ½” and 14″ widths.

Millwork:  Generally all building materials made of finished wood and manufactured in mill-work plants. It includes all doors, windows, moldings and interior trim.

Miter Joint:  The joint of two pieces at an angle that bisects the joining angle. For example, the miter joint at the side and head casing at a door opening is made at a 45° angle.

Mortar:  A mixture of cement (or lime) with sand and water used in masonry work.

Muntin:  A small member which divides the glass or openings of sash or doors.

Natural Finish:  A transparent finish which does not seriously alter the original color or grain of the natural wood.

Neutral Wire:  Usually color-coded white, this carries electricity from an outlet or switch back to the service panel. Also see hot wire and ground.

Nonbearing Wall:  A wall supporting no load other than its own weight.

Nosing:  The projecting front edge of a stair tread.

O. C. (On Center):  The measurement of spacing for studs, rafters, joists and trusses in a building from the center of one member to the center of the next.

Oriented Strand Board (aka OSB):  A manufactured 4′ X 8′ wood panel made out of 1″- 2″ wood chips and glue. Often used as a substitute for plywood.

Outrigger (aka Lookout):  An extension from a rafter or truss beyond the wall line to form a roof overhang on a rake end, as a rafter tail or truss tail does on an eave.

Outside Corner:  The point at which two walls form an external angle, one you usually can walk around.

Overhang:  Outward projecting eave-soffit area of a roof; the part of the roof that hangs out past the outside wall.

Padding:  A material installed under carpet to add foot comfort, isolate sound, and to prolong carpet life.

Paint:  A combination of pigments with suitable thinners or oils to provide decorative and protective coatings. It can be oil based or water based.

Pallets:  Wooden platforms used for storing and shipping material. Forklifts and pallet jacks are used to move these wooden platforms around.

Panel:  A thin flat piece of wood, plywood, or similar material, framed by stiles and rails as in a door (or cabinet door), or fitted into grooves of thicker material with molded edges for decorative wall treatment.

Parapet:  An extension of a wall past the plane of the roof to hide roof clutter (i.e. the Territorial look) and originally intended as protection, though now mostly decorative.

Particle Board:  Plywood substitute made of course sawdust that is mixed with resin and pressed into sheets. Usually used for shelving.

Penny:  As applied to nails, it originally indicated the price per hundred. The term now serves as a measure of nail length and is abbreviated by the letter “d“. Normally, 10d (10 “penny”) nails are used for framing.

Permit:  A governmental municipal authorization to perform a building process as in:

· Zoning\Use permit – Authorization to use a property for a specific use e.g. a garage, a single family residence, etc.

· Building permit – Authorization to build or modify a structure.

· Demolition permit – Authorization to tear down and remove an existing structure.

· Grading permit – Authorization to change the contour of the land

· Electrical permit – A separate permit required for most electrical work.

· Plumbing permit – A separate permit required for new plumbing and larger modifications of existing plumbing systems.

Pigtail, Electrical:  The electrical cord installed on an appliance, or another name for an electrical splitter.

Pier:  A pad of concrete used to support a post.

Pilot Hole:  A small diameter pre-drilled hole to guide a nail or screw.

Pitch:  The slope of a roof expressed as vertical rise to horizontal run (i.e. 4/12 means a 4” rise for every 12” of run).

Plan View (aka Floor Plan):  Drawing of a structure with the view from overhead, looking down.

Plate:  Normally a 2 X 4 or 2 X 6 that lays horizontally within a framed structure, such as:

Sill plate- A horizontal member anchored to a concrete or masonry wall.

Top plate- Top horizontal member of a frame wall supporting ceiling joists, rafters or other members.

Platform:  (1) The flat section of floor between stories in a flight of stairs (2) Raised surface supporting an object (i.e. Water Heater Platform).

Plot plan:  An overhead view plan that shows the location of the home on the lot and includes all easements, property lines, set backs, and legal descriptions of the home.

Plumb:  Exactly vertical and perpendicular.

Plumbing Jack (aka Roof Jack):  Sleeve (whose purpose is to prevent water leaks) that fits around drain and waste vent pipes at, and are nailed to, the roof sheeting.

Plumbing Rough:  Work performed by the plumbing contractor including installing all plastic ABS drain and waste lines, water lines and bath tubs.

Plumbing Stack:  A plumbing vent pipe that penetrates the roof.

Plumbing Trim:  Work performed by the plumbing contractor to get the home ready for a final inspection, which includes installing all toilets, hot water heaters, sinks, disposal, dishwasher, and all other needed plumbing items.

Plumbing Waste Line:  Plastic pipe used to collect and drain sewage waste.

Ply:  A term to denote the number of layers in built-up materials, or in any finished piece of such material (i.e. plywood).

Plywood:  A panel (normally 4′ X 8′) of wood made of three or more layers of veneer, com-pressed and joined with glue, and usually laid with the grain of adjoining plies at right angles to give the sheet strength.

Portland Cement:  Cement made by heating clay and crushed limestone into a brick and then grinding to a pulverized powder state.

Post:  A vertical framing member (often a 4″ x 4″ or a 6″ x 6”) usually designed to carry a beam.

Post-and-Beam:  A basic building method that uses just a few hefty posts and beams to support an entire structure, in contrast to our usual stud framing.

Pressure Relief Valve (PRV):  A device mounted on a hot water heater or boiler which is designed to release any high steam pressure in the tank to prevent tank explosions.

Pressure-Treated Wood:  A wood product that has been impregnated with chemical preservatives to prevent rot and infestation.

Primer:  The first, base coat of paint when a paint job consists of two or more coats. A first coating formulated to seal raw surfaces and hold succeeding finish coats. Many paints are now made with a primer and paint in one can.

P Trap:  Curved, “U” shaped section of drain pipe that holds a water seal to prevent sewer gasses from entering the home through a fixture’s water drain.

Punch List:  A list of discrepancies that need to be corrected.

Putty:  1. A type of dough used for filling small holes and crevices in wood, and for similar purposes. 2. Used in plumbing to seal joints to prevent water leakage.

PVC or CPVC:  Poly Vinyl Chloride, a type of white or light gray plastic pipe sometimes used for water supply lines.

Quarter Round:  A small trim molding that has the cross section of a quarter circle.

 

If there is a term that you are looking for and you do not find it here, please let me know by leaving a Comment in the Comments section below. If appropriate, I will add it to the list.

 

Thank you,

CJ Dodaro