NHIE Home Inspection Manual: Structure - Wall
Questions and Correct Answers Already Graded
What are the 2 forces walls are designed to resist? ✓✓ 1) Vertical load: live &
dead load
2) Horizontal load: wind, seismic, etc.
______________ is lateral movement along the plane of the wall. ✓✓ -
Racking
The two common materials used in residential "platform" style framing are
__________ & ___________. ✓✓ 1) Wood
2) Cold-formed steel
True or false: In platform framing, the first floor walls bear on the first floor
system which bears on the foundation? ✓✓ - True
True or false: In ballon framing, walls are erected first and they run up to the
ceiling joists? ✓✓ - True
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What 2 type of framing use large horizontal wood members (i.e., beams) that
transmit loads to large vertical wood members (i.e., posts)? ✓✓ 1) Post &
beam
2) Timber framing
H/________ is the max deflection for most walls? ✓✓ - H/180
H/_________ is max deflection for stucco walls? ✓✓ - H/360
The purpose of _____________________ is slowing the spread of fire in
concealed vertical spaces between stories, between the top story and the attic,
and in long horizontal spaces? ✓✓ - Fireblocking
How does fireblocking work? ✓✓ It helps reduce air flow, which in turn helps
slow the movement of how gasses from fire.
A concealed horizontal space more than _____ ft. requires fireblocking. ✓✓ -
10 ft.
Besides slowing the movement of fire in a structure, __________ is the other
benefit of fireblocking? ✓✓ - Energy efficiency
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How does fire blocking improve the energy efficiency of a structure? (P. 139)
✓✓ - It reduces air flow between conditioned & unconditioned spaces.
What two common type of residential structures require a fire separation
wall? ✓✓ 1) Town house units
2) Two-family attached dwellings
What are the two ways fire separation can be accomplished? ✓✓ 1) Approved
fire resistant construction techniques
2) By distance (i.e., separation between buildings)
What are the 5 materials commonly used for fire separation? ✓✓ 1) Nominal
2 in. lumber
2) 2 pieces of nominal1 in. thick lumber
3) 1/2 in. thick drywall
4) Batts of mineral wool or fiberglass insulation firmly secured in place
5) Approved fire-resistant caulk & foam
___ /___ in. drywall is required between a house & a garage. ✓✓ - 1/2 in.
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