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In this episode, Chris and Andy breakdown everything you need to know when it comes to building. Get your notebook out! 
Deflection
The amount of movement in a structural piece of wood, metal, or concrete.
Grade/grading
The soil level around a home or structure.
In-plane
Where two or more surfaces meet at the same elevation.
Level
A test to determine a horizontal plane or line with respect to the distance above or below a given point.
Pitch
A diagonal line or plane.
Plane
A flat surface.
Plumb
A test to determine the vertical plane or line of an upright surface.
Rafter
These are structural members of the roof and provide support for the covering. A variety of special rafters (hip, valley, jack, common, fly, etc.) may be called for, depending on the type of roof.
Solar gain
The increase in thermal energy in a home as it absorbs radiation (heat) from the sun.
Square
Build at accurately right angles.
Truss
An engineered framework that supports the roof.
Foundation Walls
solid wall attached to the footing and rising to ground level at the point where the ground is highest under the building.
Concrete block
standard size rectangular block used in building construction.
Site-Poured concrete
building material that is poured, molded, and cured onsite.
Studs - The wood or steel vertical frame members inside a wall.
Joist - The parallel, horizontal frame members that carry the load of a floor or ceiling. Joists are supported by beams, girders, or bearing (a.k.a. load-bearing) walls.
Top plate - The top horizontal member of a frame wall.
Sheathing - A protective covering of plywood (or other sheet lumber) attached to the exterior of the studs.
Sill plate (or mud sill) - The horizontal frame member at the base of a wood-framed house.
Girders or headers - Immediate support system at or near the center of the foundation of the house so floor joists can span the distance between the outside walls.
Rough opening (R.O.) - An opening in the framed wall that is sized to accommodate later installation of windows and doorframes. (The size is often specified by the door or window manufacturer).
Rafters - These are structural members of the roof and provide support for the covering. A variety of special rafters (hip, valley, jack, common, fly, etc.) may be called for, depending on the type of roof.
Trusses - An engineered framework that supports the roof.
Plumb - A test to determine the vertical orientation of an upright surface.
OSB (Oriented Strand Board) - Engineered lumber made from wood strands and glue.
Plywood - Engineered lumber made from thin layers of wood veneer and glue.
