Engineered Wood Products

Question 1

advantages of engineered wood products:

Answer 1

efficient,
remove defects,
increased strength to size,
consistent size/strength.

Question 2

like wood i-beams

Answer 2

Plywood Web Joists

Question 3

Plywood Web Joists elements:

wec + word materials

Answer 3

plywood/OSB web piece,

fitted into chord of solid wood/laminated veneer lumber.

Question 4

much higher load capacity (for same depth),
efficient use of products,
only req wood from 2nd/3rd growth timber forests,
minimal shrinkage,
ease of handling,
uniformity size/shape.

Answer 4

Plywood Web Joists

Question 5

headers + beams in place of studs.

Answer 5

Laminated Veneer Lumber

Question 6

factory made,
small wood members,
w tooth plated connectors.
residential/light commercial construction.

Answer 6

Trusses

Question 7

truss max span:

parallel cords for floor

Answer 7

40’ max span

Question 8

truss max span:

sloped cords for roof

Answer 8

70’ max span

Question 9

typ truss spacing

Answer 9

24” oc

Question 10

composite building unit,

2 outer skins, bonded to rigid insulation core.

Answer 10

Structural Insulated Panels (SIPs)

Question 11

SIPS

Answer 11

Structural Insulated Panels

Question 12

typ. 7/16” OSB w core of molded expanded polystyrene (EPS)

Answer 12

Structural Insulated Panels

Question 13

Structural Insulated Panels other faces

Answer 13

plywood,
cement board,
aluminium,
GWB.

Question 14

Structural Insulated Panels other cores

Answer 14

extruded polystyrene (XPS),
urethane foam,
compressed straw.

Question 15

SIPs uses:

Answer 15

wall/floors/roofs.

Question 16

⅓ less construction time than stick-built,
no thermal bridges,
reduced air infiltration,
stronger/flatter/dimensionally stable.
req. less wood than stick built.
some manuf. can recycle EPS foam.

Answer 16

Structural Insulated Panels

Question 17

slipped over wood plates attached to floor,
wood splines @ vert joints (attach to next panel),
panels have built in V+T chases for wiring,

Answer 17

Structural Insulated Panels

Question 18

SIPs concerns:

Answer 18

vapor/seismic/termite

detailing vapor barrier @ inside panel,
providing seismic anchors,
detailing termite shields.