Lumber Light Frame Construction

Question 1

Light Frame Construction =

Answer 1

2x for stud walls and floor/ceiling joists.

Question 2

Light Frame Construction beams may be:

Answer 2

built up 2x/heavy timber/steel

Question 3

platform framing is also known as

Answer 3

western framing

Question 4

framing floor by floor

Answer 4

platform framing

Question 5

continuous studs, floor plate hung in middle.

Answer 5

balloon framing

Question 6

platform framing advantage:

Answer 6

each floor can be used to construct next,

shorter studs are cheaper.

Question 7

balloon framing advantage:

Answer 7

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

Question 8

when floors framed into masonry walls, 2 options:

Answer 8

hangers w ledger,

or firecut.

Question 9

firecut:

Answer 9

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

Question 10

why use a firecut:

Answer 10

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

Question 11

transferring loads from one cut member to other members

Answer 11

framed openings

Question 12

extra rigidity.

intersections of wall/ceiling framing for extra GWB nailer.

Answer 12

blocking

Question 13

bracing between joists,

prevents buckling under load.

Answer 13

bridging

Question 14

bridging installed intervals:

Answer 14

≤ 8’

Question 15

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

Answer 15

firestops

Question 16

firestops: materials

Answer 16

2x’s,
GWB,
mineral wool.

Question 17

firestops are generally req’d at:

Answer 17

concealed spaces between floors,

vertical openings around vents, chimneys, ducts.