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Flashcards in Lumber Light Frame Construction Deck (17)
1

Light Frame Construction =

2x for stud walls and floor/ceiling joists.

2

Light Frame Construction beams may be:

built up 2x/heavy timber/steel

3

platform framing is also known as

western framing

4

framing floor by floor

platform framing

5

continuous studs, floor plate hung in middle.

balloon framing

6

platform framing advantage:

each floor can be used to construct next,

shorter studs are cheaper.

7

balloon framing advantage:

less shrinkage,
bc most construction
is parallel to
direction of grain.

8

when floors framed into masonry walls, 2 options:

hangers w ledger,
or firecut.

9

firecut:

angled cut from bottom corner up joist to inside face of brick

10

why use a firecut:

prevents masonry from being pushed up and out, if wood member should collapse during a fire.

11

transferring loads from one cut member to other members

framed openings

12

extra rigidity.
intersections of wall/ceiling framing for extra GWB nailer.

blocking

13

bracing between joists,
prevents buckling under load.

bridging

14

bridging installed intervals:

≤ 8’

15

barriers installed in concealed spaces of combustible construction,
to prevent spread of fire by drafts.

firestops

16

firestops: materials

2x’s,
GWB,
mineral wool.

17

firestops are generally req'd at:

concealed spaces between floors,

vertical openings around vents, chimneys, ducts.