CSLB Class B General Contractor's License -
Building's Exam: Framing & Structural
Questions and Answers 2025/2026 100% Pass
6AinchesA-ACORRECTAANSWERSA-
HowAmuchAclearanceAisAneededAbetweenAtheAgroundAandAwoodAsiding?
4X10dAnailsA-ACORRECTAANSWERSA-
WhenAnailingAaAcontinuousAheaderAtoAtheAstuds,AbestApracticeAisAtoAuse:
MoistureAcontent,AGrade,ASpeciesA-ACORRECTAANSWERSA-
GradedAlumberAisAstampedAwithAinformationAaboutAtheAlumber.AWhatAisAincluded?
InAloadAbearingAwallsAwithAholesAexceedingA40%AofAtheAstudAdepth.A-
ACORRECTAANSWERSA-WhenAareAstudsAdoubled?
5/8AinchA-ACORRECTAANSWERSA-
AAsolidAplywoodAroofAdeckAatA3/12ApitchAorAgreater,AreceivingAasphaltAshinglesAandAhaving
AraftersAlaidAoutA24AinchesAonAcenter,AshouldAhaveAaAminimumAplywoodAsheathingAthickne
ssAofA______.
OSBAwithAedgeAnailingA4"Ao.c.AandAfieldA6A"o.c.A-ACORRECTAANSWERSA-
SpecificAinformationAaboutAshearAwalls,AsuchAaAtypeAofAsheathingAandAnailing,AcanAusually
AbeAfoundAonAtheAbuildingAplans.AAbbreviationsAsuchAasA"6W4"AareAcommon,AwhichAwould
Amean:
S-GRN:A"SurfacedAGreen"ANotAdried,AmoistureAcontentAoverA19%.S-
DRY:A"SurfacedADry"AAirAdriedAtoAaAmoistureAcontentAlessAthanA19%.AKD:A"KilnADry"ADried
AinAaAheatedAkilnAtoAaAmoistureAcontentAlessAthanA19%.MCA15:A"MoistureAContentA15%"ADr
iedAtoAaAmoistureAcontentAofA15%AorAless.HT:A"HeatATreated"AHeatedAtoAatAleastA133°AFah
renheitAforA30AminutesAatAtheAboard'sAcoreAtoAkillAanyAinsectsApresentAinAtheAwood.A-
ACORRECTAANSWERSA-
GradedAlumberAisAmarkedAwithAanAindicationAofAmoistureAcontent;AwhichAisAtheAdriestAdesi
gnation?
ToAshedAwaterAawayAfromAtheAstructureAatAroofAtoAwallAtransitionsA
(StepAflashingAareAinterwovenAbetweenAeachAcourseAofAshinglesAandAprotectAtheAtransitio
nAfromAwaterAintrusionAbyAcreatingAaAwaterAshedAakaAshingleAeffect.
NextAQuestion
LeaveAFeedback)A-ACORRECTAANSWERSA-WhatAisAtheApurposeAofAaAstepAflashing?
A)AWillAalwaysAbeAparallelA-ACORRECTAANSWERSA-BracingAlines:
A)AWillAalwaysAbeAparallel
B)AShouldAintersectAatA90˚
C)AAlwaysArunAinAtheAsameAdirection
D)ACanAbeAaddedAatAanyAtime
D)AWeaveAshinglesAunderAtheAlowerAendAofAtheAbaseAflashingAandAoverAtheAupperAportionA
ofAtheAbaseAflashing
,(InAre-
roofAoverlays,AmanyAroofersAwillAconcealAtheAbaseAflashingAunderAtheAshinglesAandAapplyA
masticAatAtheAtransition.AWhileAthisAmethodAisAallowableAforAoverlays,AitAisAnotArecommend
edAdueAtoAtheAinherentAlikelihoodAofAmoistureAinfluenceAunderAtheAshinglesAatAtheseAlocati
ons.)A-ACORRECTAANSWERSA-
ProperAinstallationAofAroofApipeAandAventApenetrationAbaseAflashingAshouldAconsistAof:
A)AApplyAshinglesAsoAasAtoAcompletelyAconcealAbaseAflashing
B)AApplyAshinglesAunderAtheAbaseAflashingAandAsealAperimeterAofAbaseAflashingAwithAroofA
cement
C)ASealApipe/ventApenetrationAwithAroofAcement
D)AWeaveAshinglesAunderAtheAlowerAendAofAtheAbaseAflashingAandAoverAtheAupperAportionA
ofAtheAbaseAflashing
A)AStructuralAlightAframingANo:A1A-ACORRECTAANSWERSA-
GradeAdesignationsAindicateAtheArecommendedAuseAofAlumber.AWhichAgradeAwouldAyouAc
hoseAforAbuildingAtrusses?
A)AStructuralAlightAframingANo:A1
B)AStructuralAlightAframingANo:A3
C)ALightAframing:AConstruction
D)ALightAframing:AStandard
18"A-ACORRECTAANSWERSA-InAcrawlspace,AifAtheAfloorAisAbuiltAoutAofAnon-
pressureAtreatedAwood,AhowAhighAisAtheAfloorAjoistAfromAtheAsoil?
A)ABlockingAisArequiredAatAtheAbeginningAofAanyAoverhangA-ACORRECTAANSWERSA-
WhenAbuildingAaAdeck,AitAmayAbeAnecessaryAtoAuseAblockingAbetweenAjoists.
A)ABlockingAisArequiredAatAtheAbeginningAofAanyAoverhang
B)ABlockingAisArequiredAeveryA10Afeet
C)ABlockingAisArequiredAifAjoistsAareA24"Ao.c.AorAmore
D)ABlockingAisArequiredAifAjoistsAareA8"xAorAlarger
24"Ao.Ac.A-ACORRECTAANSWERSA-
WhatAisAtheAmaximumAspacingAofA2AxA4AinchAstudsAonAaA1AstoryAhouse?
B)ANotAbeAnotchedA-ACORRECTAANSWERSA-EngineeredAfloorAtrussesAandAI-
JoistsAshould:
A)AAlwaysAbeAkeptAinAlowAhumidity
B)ANotAbeAnotched
C)APurchasedAinAbatches
D)AAlwaysAbeAapprovedAbyAanAengineer
D)A16dA16"Ao.c.
(AccordingAtoAtheACaliforniaAResidentialACode,A16dAcommonAnailsAatA16"Ao.c.AfaceAnailAorA
10dAboxAnailsAatA12"Ao.c.AfaceAnail.)A-ACORRECTAANSWERSA-
DoubleAtopAplatesAareAbestAnailedAtogetherAwith:
, A)A10dA24"Ao.c
B)A16dA24"Ao.c
C)A10dA16"Ao.c
D)A16dA16"Ao.c.
A)ABetweenAfloorsA-ACORRECTAANSWERSA-Hold-
downsAareAusuallyAsetAintoAtheAfoundationAorApad.AWhereAelseAmightAyouAneedAtoAinstallAt
hem?
A)ABetweenAfloors
B)AIntoApiers
C)AOntoAcripples
D)AUnderAposts
14'A-ACORRECTAANSWERSA-
WhatAisAtheAmaximumAheightAforAaAlaterallyAunsupportedA2AxA4AinchAnonbearingAwallAstud
?
D)AInterruptAceilingAmembraneAforAfire-resistance
(FireAresistanceAisArequiredAbetweenAtheAfirstAandAsecondAstoryAofAaAbuildingAandAthisAcanA
beAachievedAbyAusingAaA1-hrAorA2-hrAfire-
resistantAceilingAmembrane.AHowever,AdoublingAupAonAaAtopAplateAallowsAforAinterruptions
AofAtheAceilingAmembraneAassumingAX-
typeAgypsumAwallboardAisAusedAandAthatAallApenetratingAitemsAthroughAtheAdoubleAtopAplat
eAareAprotected.
AmongAotherAthings,AtheAtopAplateAisAdoubledAtoAmaintainAtensionAcontinuityAforAlateralAloa
ds.)A-ACORRECTAANSWERSA-WhyAdoAyouAneedAtoAdouble-upAonAaAtopAplate?
A)AShearAwallArequirement
B)ASeismicArequirement
C)AToAsupportAaA2ndAstory
D)AInterruptAceilingAmembraneAforAfire-resistance
A)AThreadedA8dAnailsAorA#8Ascrews
(WoodAdeckingAshallAbeAattachedAtoAeachAsupportingAmemberAwithAnotAlessAthanA(2)A8dAth
readedAnailsAorA(2)ANo.A8AwoodAscrews.
NextAQuestion
LeaveAFeedback)A-ACORRECTAANSWERSA-
AfterAfabricatingAaAbeamAforAuseAonAaAdeckAfromA2xAmaterial.ABoardsAshouldAbeAconnecte
dAwith:
A)AThreadedA8dAnailsAorA#8Ascrews
B)A10dAnails
C)ARustAresistantAconnectors
D)AScrewsAorAnailsAwithAaA1/4AinchAspacerAbetweenAboards
C)A8ApennyAringAshankedAnails
Building's Exam: Framing & Structural
Questions and Answers 2025/2026 100% Pass
6AinchesA-ACORRECTAANSWERSA-
HowAmuchAclearanceAisAneededAbetweenAtheAgroundAandAwoodAsiding?
4X10dAnailsA-ACORRECTAANSWERSA-
WhenAnailingAaAcontinuousAheaderAtoAtheAstuds,AbestApracticeAisAtoAuse:
MoistureAcontent,AGrade,ASpeciesA-ACORRECTAANSWERSA-
GradedAlumberAisAstampedAwithAinformationAaboutAtheAlumber.AWhatAisAincluded?
InAloadAbearingAwallsAwithAholesAexceedingA40%AofAtheAstudAdepth.A-
ACORRECTAANSWERSA-WhenAareAstudsAdoubled?
5/8AinchA-ACORRECTAANSWERSA-
AAsolidAplywoodAroofAdeckAatA3/12ApitchAorAgreater,AreceivingAasphaltAshinglesAandAhaving
AraftersAlaidAoutA24AinchesAonAcenter,AshouldAhaveAaAminimumAplywoodAsheathingAthickne
ssAofA______.
OSBAwithAedgeAnailingA4"Ao.c.AandAfieldA6A"o.c.A-ACORRECTAANSWERSA-
SpecificAinformationAaboutAshearAwalls,AsuchAaAtypeAofAsheathingAandAnailing,AcanAusually
AbeAfoundAonAtheAbuildingAplans.AAbbreviationsAsuchAasA"6W4"AareAcommon,AwhichAwould
Amean:
S-GRN:A"SurfacedAGreen"ANotAdried,AmoistureAcontentAoverA19%.S-
DRY:A"SurfacedADry"AAirAdriedAtoAaAmoistureAcontentAlessAthanA19%.AKD:A"KilnADry"ADried
AinAaAheatedAkilnAtoAaAmoistureAcontentAlessAthanA19%.MCA15:A"MoistureAContentA15%"ADr
iedAtoAaAmoistureAcontentAofA15%AorAless.HT:A"HeatATreated"AHeatedAtoAatAleastA133°AFah
renheitAforA30AminutesAatAtheAboard'sAcoreAtoAkillAanyAinsectsApresentAinAtheAwood.A-
ACORRECTAANSWERSA-
GradedAlumberAisAmarkedAwithAanAindicationAofAmoistureAcontent;AwhichAisAtheAdriestAdesi
gnation?
ToAshedAwaterAawayAfromAtheAstructureAatAroofAtoAwallAtransitionsA
(StepAflashingAareAinterwovenAbetweenAeachAcourseAofAshinglesAandAprotectAtheAtransitio
nAfromAwaterAintrusionAbyAcreatingAaAwaterAshedAakaAshingleAeffect.
NextAQuestion
LeaveAFeedback)A-ACORRECTAANSWERSA-WhatAisAtheApurposeAofAaAstepAflashing?
A)AWillAalwaysAbeAparallelA-ACORRECTAANSWERSA-BracingAlines:
A)AWillAalwaysAbeAparallel
B)AShouldAintersectAatA90˚
C)AAlwaysArunAinAtheAsameAdirection
D)ACanAbeAaddedAatAanyAtime
D)AWeaveAshinglesAunderAtheAlowerAendAofAtheAbaseAflashingAandAoverAtheAupperAportionA
ofAtheAbaseAflashing
,(InAre-
roofAoverlays,AmanyAroofersAwillAconcealAtheAbaseAflashingAunderAtheAshinglesAandAapplyA
masticAatAtheAtransition.AWhileAthisAmethodAisAallowableAforAoverlays,AitAisAnotArecommend
edAdueAtoAtheAinherentAlikelihoodAofAmoistureAinfluenceAunderAtheAshinglesAatAtheseAlocati
ons.)A-ACORRECTAANSWERSA-
ProperAinstallationAofAroofApipeAandAventApenetrationAbaseAflashingAshouldAconsistAof:
A)AApplyAshinglesAsoAasAtoAcompletelyAconcealAbaseAflashing
B)AApplyAshinglesAunderAtheAbaseAflashingAandAsealAperimeterAofAbaseAflashingAwithAroofA
cement
C)ASealApipe/ventApenetrationAwithAroofAcement
D)AWeaveAshinglesAunderAtheAlowerAendAofAtheAbaseAflashingAandAoverAtheAupperAportionA
ofAtheAbaseAflashing
A)AStructuralAlightAframingANo:A1A-ACORRECTAANSWERSA-
GradeAdesignationsAindicateAtheArecommendedAuseAofAlumber.AWhichAgradeAwouldAyouAc
hoseAforAbuildingAtrusses?
A)AStructuralAlightAframingANo:A1
B)AStructuralAlightAframingANo:A3
C)ALightAframing:AConstruction
D)ALightAframing:AStandard
18"A-ACORRECTAANSWERSA-InAcrawlspace,AifAtheAfloorAisAbuiltAoutAofAnon-
pressureAtreatedAwood,AhowAhighAisAtheAfloorAjoistAfromAtheAsoil?
A)ABlockingAisArequiredAatAtheAbeginningAofAanyAoverhangA-ACORRECTAANSWERSA-
WhenAbuildingAaAdeck,AitAmayAbeAnecessaryAtoAuseAblockingAbetweenAjoists.
A)ABlockingAisArequiredAatAtheAbeginningAofAanyAoverhang
B)ABlockingAisArequiredAeveryA10Afeet
C)ABlockingAisArequiredAifAjoistsAareA24"Ao.c.AorAmore
D)ABlockingAisArequiredAifAjoistsAareA8"xAorAlarger
24"Ao.Ac.A-ACORRECTAANSWERSA-
WhatAisAtheAmaximumAspacingAofA2AxA4AinchAstudsAonAaA1AstoryAhouse?
B)ANotAbeAnotchedA-ACORRECTAANSWERSA-EngineeredAfloorAtrussesAandAI-
JoistsAshould:
A)AAlwaysAbeAkeptAinAlowAhumidity
B)ANotAbeAnotched
C)APurchasedAinAbatches
D)AAlwaysAbeAapprovedAbyAanAengineer
D)A16dA16"Ao.c.
(AccordingAtoAtheACaliforniaAResidentialACode,A16dAcommonAnailsAatA16"Ao.c.AfaceAnailAorA
10dAboxAnailsAatA12"Ao.c.AfaceAnail.)A-ACORRECTAANSWERSA-
DoubleAtopAplatesAareAbestAnailedAtogetherAwith:
, A)A10dA24"Ao.c
B)A16dA24"Ao.c
C)A10dA16"Ao.c
D)A16dA16"Ao.c.
A)ABetweenAfloorsA-ACORRECTAANSWERSA-Hold-
downsAareAusuallyAsetAintoAtheAfoundationAorApad.AWhereAelseAmightAyouAneedAtoAinstallAt
hem?
A)ABetweenAfloors
B)AIntoApiers
C)AOntoAcripples
D)AUnderAposts
14'A-ACORRECTAANSWERSA-
WhatAisAtheAmaximumAheightAforAaAlaterallyAunsupportedA2AxA4AinchAnonbearingAwallAstud
?
D)AInterruptAceilingAmembraneAforAfire-resistance
(FireAresistanceAisArequiredAbetweenAtheAfirstAandAsecondAstoryAofAaAbuildingAandAthisAcanA
beAachievedAbyAusingAaA1-hrAorA2-hrAfire-
resistantAceilingAmembrane.AHowever,AdoublingAupAonAaAtopAplateAallowsAforAinterruptions
AofAtheAceilingAmembraneAassumingAX-
typeAgypsumAwallboardAisAusedAandAthatAallApenetratingAitemsAthroughAtheAdoubleAtopAplat
eAareAprotected.
AmongAotherAthings,AtheAtopAplateAisAdoubledAtoAmaintainAtensionAcontinuityAforAlateralAloa
ds.)A-ACORRECTAANSWERSA-WhyAdoAyouAneedAtoAdouble-upAonAaAtopAplate?
A)AShearAwallArequirement
B)ASeismicArequirement
C)AToAsupportAaA2ndAstory
D)AInterruptAceilingAmembraneAforAfire-resistance
A)AThreadedA8dAnailsAorA#8Ascrews
(WoodAdeckingAshallAbeAattachedAtoAeachAsupportingAmemberAwithAnotAlessAthanA(2)A8dAth
readedAnailsAorA(2)ANo.A8AwoodAscrews.
NextAQuestion
LeaveAFeedback)A-ACORRECTAANSWERSA-
AfterAfabricatingAaAbeamAforAuseAonAaAdeckAfromA2xAmaterial.ABoardsAshouldAbeAconnecte
dAwith:
A)AThreadedA8dAnailsAorA#8Ascrews
B)A10dAnails
C)ARustAresistantAconnectors
D)AScrewsAorAnailsAwithAaA1/4AinchAspacerAbetweenAboards
C)A8ApennyAringAshankedAnails