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Unit 14Residential Framing PrintsUnit 14Residential Framing Prints
List the differences between heavy framing and light framing
Recognize the construction of floor frames, roof frames, and wall frames
Read framing drawings Explain the difference between
platform and balloon framing
List the differences between heavy framing and light framing
Recognize the construction of floor frames, roof frames, and wall frames
Read framing drawings Explain the difference between
platform and balloon framing
Learning ObjectivesLearning Objectives
page 131page 131
Residential Framing PrintsResidential Framing Prints
Understand stair details and terms Understand stair details and terms
Learning Objectives continuedLearning Objectives continued
Unit 14Unit 14
Recognize metal framing systems Recognize metal framing systems
Wood FramingWood Framing
widely-used, widely-known affordable durable dependable flexible construction methods
widely-used, widely-known affordable durable dependable flexible construction methods
Unit 14pages 143 - 144
Unit 14pages 143 - 144
Framing ComponentsFraming Components
floor framingfloor framing
Unit 14page 144Unit 14
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sill platesattached to top surface of
foundation wall header
nailed to top of sill plate joists
floor supports
sill platesattached to top surface of
foundation wall header
nailed to top of sill plate joists
floor supports
Framing ComponentsFraming Components
floor framingfloor framing
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subfloorcovers the joist (the floor)typically plywood sometimes wood
lumber double header
used when framing pattern is disrupted - typically an opening
subfloorcovers the joist (the floor)typically plywood sometimes wood
lumber double header
used when framing pattern is disrupted - typically an opening
Framing ComponentsFraming Components
double trimmertwo joist nailed together next to an
opening tail joist
run between double header and sill plate
ledgersmall piece of lumber bottom edge of a
double header
double trimmertwo joist nailed together next to an
opening tail joist
run between double header and sill plate
ledgersmall piece of lumber bottom edge of a
double header
Unit 14page 144Unit 14
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floor framingfloor framing
Framing ComponentsFraming Components
bridgingsmall member between joist to provide
lateral support floor framing
shown on a floor framing plan2 x 12 joist @ 16” O.C.
bridgingsmall member between joist to provide
lateral support floor framing
shown on a floor framing plan2 x 12 joist @ 16” O.C.
joist sizejoist size spacingspacing
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floor framingfloor framing
Floor FramingFloor Framing
regular joistregular joistheaderheader
sillplatesill
plate
anchorbolt
anchorbolt
subfloorplywood or lumber
subfloorplywood or lumber
Unit 14page 144
Figure 14 - 1
Unit 14page 144
Figure 14 - 1
Floor FramingFloor FramingUnit 14
page 145Figure 14 - 2
Unit 14page 145
Figure 14 - 2
regular joistregular joistjoist hangerjoist hanger
double headerdouble headerledgerledger
double trimmerdouble trimmer
bridgingbridging
tail joisttail joist
tail joisttail joist
headerheader
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DimensioningDimensioningfor exterior walls
given to outside of studfor interior
given to edge of stud orcenterline of stud
check drawing carefully to verify the dimensioning practice followed for any
given set of plans
for exterior walls given to outside of stud
for interiorgiven to edge of stud orcenterline of stud
check drawing carefully to verify the dimensioning practice followed for any
given set of plans
Unit 14page 144Unit 14
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Wall FramesWall FramesUnit 14
page 146Figure 14 - 4
Unit 14page 146
Figure 14 - 4
cantileverfloor
cantileverfloor
Wall FramesWall Frames platform framing
first floor on foundationfirst floor walls second floor platformsecond floor walls
platform framingfirst floor on foundationfirst floor walls second floor platformsecond floor walls
Unit 14page 145Unit 14
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Wall
Fram
es
Wall
Fram
es
Unit 14page 146
Figure 14 - 5
Unit 14page 146
Figure 14 - 5
platformframingplatformframing
Wall FramesWall Frames
balloon framingstuds extend from first floor sill plate to
second floorribbons are used to support joist on
second floorreduces lumber shrinkage in masonry
and stucco structuresspreads fire
balloon framingstuds extend from first floor sill plate to
second floorribbons are used to support joist on
second floorreduces lumber shrinkage in masonry
and stucco structuresspreads fire
Unit 14page 145Unit 14
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Wall
Fram
es
Wall
Fram
es
Unit 14page 146
Figure 14 - 6
Unit 14page 146
Figure 14 - 6
balloonframingballoonframing
Roof FramingRoof Framing roof truss
prefabricated member to span over roof
rafterangled member that supports the rooftypically 2x6, 2x8, 2x10 members
roof trussprefabricated member to span over
roof rafter
angled member that supports the rooftypically 2x6, 2x8, 2x10 members
Unit 14page 150Unit 14
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Roof FramingRoof Framing ridge
horizontal member at peak of the roof
ridgehorizontal member at peak of the roof
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collar beamhorizontal member that ties rafters
together rise
vertical distance between the top plate and ridge board
collar beamhorizontal member that ties rafters
together rise
vertical distance between the top plate and ridge board
Roof FramingRoof Framing
spandistance between wall supporting the
rafters bird’s mouth
cut out for rafter to set flat ontop plate of stud wall
spandistance between wall supporting the
rafters bird’s mouth
cut out for rafter to set flat ontop plate of stud wall
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runhorizontal distance from the wall to the
bottom of the rafter to the rafter ridge board
runhorizontal distance from the wall to the
bottom of the rafter to the rafter ridge board
Roof FramingRoof Framing
hip rafterextend from the an outside corner to the ridge
boardusually at a 45º angle
valley rafterextend from the inside corner
to the ridge board
hip rafterextend from the an outside corner to the ridge
boardusually at a 45º angle
valley rafterextend from the inside corner
to the ridge board
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common rafterthat run at right angles from wall plate
to the ridge
common rafterthat run at right angles from wall plate
to the ridge
Roof FramingRoof Framing cripple rafter
runs between valley and hip rafter
cripple rafterruns between valley and hip rafter
Unit 14page 151Unit 14
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purlinhorizontal member laid over truss to
support long rafters or the break in gablrel roof rafter
purlinhorizontal member laid over truss to
support long rafters or the break in gablrel roof rafter
Stair FramesStair Frames stringer
the member running between lower and upper levels
typically 2x8, 2x10, or 2x12 tread
distance between front or back of adjacent stairs
stringerthe member running between lower
and upper levelstypically 2x8, 2x10, or 2x12
treaddistance between front or back of
adjacent stairs
Unit 14page 152Unit 14
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Stair FramesStair Frames
risevertical distance between floors
risevertical distance between floors
Unit 14page 152Unit 14
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NOTEalways one more riser than tread
NOTEalways one more riser than tread
runtotal horizontal length of a stairway
runtotal horizontal length of a stairway
Stair SectionStair SectionUnit 14
page 152Figure 14 - 17
Unit 14page 152
Figure 14 - 17
riserriser
treadtread
stringerstringer
riserise
runrun
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Test Your KnowledgeTest Your Knowledge
take 10 minutes to complete the test on page 154
take 10 minutes to complete the test on page 154
Unit 14Unit 14
Wood Framing PrintsWood Framing Prints
Take 10 minutes & complete the questions for Activity 14-1 on page 155 refer to large prints 14-1a thru 14-1d
Take 10 minutes & complete the questions for Activity 14-1 on page 155 refer to large prints 14-1a thru 14-1d
Unit 14Unit 14
Wood Framing PrintsWood Framing Prints
Take 10 minutes & complete the questions for Activity 14-2 on page 157 refer to large prints 14-2a thru 14-2d
Take 10 minutes & complete the questions for Activity 14-2 on page 157 refer to large prints 14-2a thru 14-2d
Unit 14Unit 14
END OF UNIT 14END OF UNIT 14