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Flashcards in Engineered Wood Products Deck (18)
1

advantages of engineered wood products:

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

2

like wood i-beams

Plywood Web Joists

3

Plywood Web Joists elements:
wec + word materials

plywood/OSB web piece,
fitted into chord of solid wood/laminated veneer lumber.

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.

Plywood Web Joists

5

headers + beams in place of studs.

Laminated Veneer Lumber

6

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

Trusses

7

truss max span:
parallel cords for floor

40’ max span

8

truss max span:
sloped cords for roof

70’ max span

9

typ truss spacing

24" oc

10

composite building unit,
2 outer skins, bonded to rigid insulation core.

Structural Insulated Panels (SIPs)

11

SIPS

Structural Insulated Panels

12

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

Structural Insulated Panels

13

Structural Insulated Panels other faces

plywood,
cement board,
aluminium,
GWB.

14

Structural Insulated Panels other cores

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

15

SIPs uses:

wall/floors/roofs.

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.

Structural Insulated Panels

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,

Structural Insulated Panels

18

SIPs concerns:

vapor/seismic/termite

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