Front End Loader
Front end loader is used in the early stages like a
backhoe, but is not meant for digging. It is used to
move dirt and gravel or anything necessary. It
doesn’t just push dirt like a bulldozer, it also picks it
Gypsum board is gypsum in between two sheets of paper. A
material used for walls and ceilings. Also known as sheet
rock or drywall.
An advantage is that you do not need seperate
heating and cooling units. A disadvantage is that it
Air handling unit
only works in mild climates. The air handler
circulates air through the house and moves the air
over coils. The compressor pressurizes and
circulates refridgerant gas to produce heat or
cooling in the coils.
Insulation is a material used that has a low conductivity to help keep heat and cold air
through the structure or assembly.
A lintel is a beam that carries a load of an opening.
A vee joint is tooled and this one is 3/8” thick. It is an
office building and I would guess type N mortar
Mortar Joints (Contd.)
Raked joint-it is tooled, this is also your
typical 3/8” thick. It is located on an
apartment complex. Probably type N
Oriented Strand Board
A type of sheathing similar to plywood. It is
not veneered, and it is strands of wood that is
bonded together by pressure in specific
directions. Its typical dimensions are 4’ by 8’.
Typical 3” piping used to drain. A lavatory is a sink and it typically
uses 1.5” piping to drain it.
This plumbing vent is letting the gas
from plumbing pipes escape through
the roof instead of coming back into
4’ by 8’ sheets
Plywood is a wood panel composed of an odd number of layers of wood
veneer bonded together under pressure. Veneer is a thin layer or sheet.
This is #4 rebar, meaning it is ½” in
diameter. It is tied together to form a rebar
mat that will be placed in a footing. It will
be used to reinforce the concrete, the
grooves are helpful because the concrete
can mold to the rebar.
Steep Roof Drainage
piping used to drain
downspout water from roof to lower
level or ground.
of concrete or plastic
used to divert water at
bottom of the
Gutter-channel that collects
splashblock rainwater and snowmelt at the eave
of a roof
Steep Roof Materials
Underlayment- Underlayment helps
keep moisture and any penetration out
of the sheathing.
Steep Roof Materials (contd.)
Shingle-small unit of water resistant
material nailed in overlapping fashion to
render a wall or sloping roof water tight.
Steep Roof Materials (Contd.)
Metal roof- I believe this is simply a
sheet metal roof