MODULE 3 ID BC&U EXAM

refers collectively to wood that's been processed for use as a building material—

wood that has been milled and cut into boards or planks. 

• Finished Wood

• Wood Lumber

• Construction

  Materials

• Finishing

  Materials

a horizontal structural member used in framing to span

an open space, often between beams that subsequently transfer

loads to vertical members.

• Girder

• Lintel Beam

• Rafter

• Joist

A _________ is the main load-bearing structural element of a roof.

It supports the weight of joists and other building elements. 

• Truss

• Rafter

• Beam

• Girder

_________ are designed to support the roof sheathing and usually follow the angle of the roof.

• Trusses

• Rafters

• Beams

• Joists

a horizontal beam or bar used for structural support in structures, most often below the roof. 

• Rafter

• Roof Joist

• Purlins

• Truss

Most common, least expensive

-Commonly called flat sawn.

-The annular rings are generally 30 degrees or less to

the face of the board

• Quarter Sawn

• Live Sawn

• Plain Sawn

• Rift Sawn

has an amazing straight grain pattern

-wood where the annular growth rings intersect the face

of the board at a 60 to 90 degree angle. 

• Rift Sawn

• Plain Sawn

• Live Sawn

• Quarter Sawn

Most expensive, least common

- the annual rings are typically between

30-60 degrees, with 45 degrees being optimum.

• Rift Sawn

• Live Sawn

• Plain Sawn

• Quarter Sawn

A ______ is a warp that happens along the edge of a board.

• Checks

• Bow

• Crook

• Cup

A _______ is when there is missing wood or an untrimmed edge along the side or corner of a board.

• Crook

• Knots

• Wane

• Checks