Best Barns Arlington II Safety guide

Arlington II
Revised September 6, 2022
Assembly Book
Best Barns USA
!"#$%#&'()#*+
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((((((B!)(C7$%#&'3?(DDE (((((F((E789:#'2;(-G--
Manufactured by RBS Holdings, LLC
205 Arlington Drive Greenville, PA 16125

Tongue Edge
LAP Edge
800-245-1577(H(I7&(H(J:#(KLI(H(MNI(O)1
724-866-4357(H(LA;+:(27":3(5&%(>++P+&%3
Email(H(Q"+3;#7&3R@5:&P#;3<674
IMPORTANT INFORMATION ABOUT YOUR KIT
125&P 97" A7: 8":6253#&' 7": P#;< N$+53+ :+5% ;2+ A7$$7>#&' #&A7:45;#7& @+A7:+ @+'#&&#&' 67&3;:"6;#7&<
L$>593(62+6P(>#;2(97":($765$(CSL(7:(@"#$%#&'(67%+(7AA#6+(A7:(5&9(:+Q"#:+4+&;3(7:(:+3;:#6;#7&3<
177$3(B+Q"#:+%T C5&%(7:(E#:6"$5:()5>
E7:%$+33(U:#$$
C544+:
N+&6#$
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)5A+;9(Z$533+3
U"3;(I53P
N2#$$#83()6:+>%:#V+:
J:54#&'()Q"5:+
Always wear safety glasses when cutting or nailing!
L%%#;#7&5$ I5;+:#5$3 H Not included in kit:
B+Q"#:+%T )2#&'$+3(7:(4+;5$(:77A#&'?(U:#8(O%'+?(B77A#&'([5#$3(7:()6:+>3?(N5#&;
S8;#7&5$T E5"$P?(B#%'+(\+&;
J$77:T ]77%(A$77:#&'(#3(37$%(78;#7&5$$9<(^7"(459(62773+(;7(@"#$%(97":(7>&(7:(87":(5(6+4+&;(85%<
1+:4#&7$7'9T
)Q"5:+(H(E7&A#:4(67:&+:3(5:+(5;(_G(%+':++3
N$"4@(H(E7&A#:4(>5$$3(5&%(;:"33+3(5:+(3;:5#'2;(V+:;#65$$9
]5$$(N$5;+(H(178(5&%(@7;;74(-/03("3+%(;7(A:54+(>5$$3
1#+(N$5;+(H(-/03(67&&+6;#&'(>5$$(3+6;#7&3(;7'+;2+:
C+5%+:(H()85&3(;78(7A(%77:(78+&#&'
S)!(H(S:#+&;+%();:5&%(!75:%
DLN(H(O%'+(7A(3#%#&'(;25;(7V+:$583(17&'"+
17&'"+(H(O%'+(7A(3#%#&'(;25;(#3(7V+:$588+%
S:'5&#*+T
=&856P(5$$(#;+43(`(7:'5&#*+(5667:%#&'(;7(3#*+(5&%(;98+<(12#3(>#$$(45P+(#;+43(+53#+:(;7(A#&%
>2+&(#&3;:"6;+%<
B+V#+>(;2+(85:;3($#3;(7&(;2+(@56P(85'+<()27"$%(;2+:+(@+(4#33#&'(#;+43(7:(3"@H85:(45;+:#5$
67&;56;(!+3;(!5:&3(E"3;74+:()+:V#6+<
US([S1(%#365:%(5&9(45;+:#5$(#&6$"%#&'(;2+(85$$+;("&;#$(97":(8:7a+6;(#3(6748$+;+<
L33+4@$9T
B+V#+>(5$$(#&3;:"6;#7&3(@+A7:+(97"(@+'#&<(N$+53+(A7$$7>(3;+83(65:+A"$$9(5&%(#&(3+Q"+&6+(A7:
3"66+33A"$(:+3"$;3<
bA(97"(25V+(5&9(Q"+3;#7&3(>+(5:+(25889(;7(533#3;(97"<(N$+53+(67&;56;("3(5;T
Primed Siding Detail

-< E"; X,GY ;+& -/0H,-. A$77: a7#3; ;7 ,,.H_c< Treated lumber may be thicker than 1-1/2". Take this
into account when cutting the length of floor joists. Shorten the joist measurements if necessary
to obtain 12'-0" building width.
d< N$56+(0/0H,-.(;:+5;+%(;#4@+:3(7&(;2+(':7"&%<(E";(X-Y(;>7(-/0HK.(@75:%3(#&;7(-.($7&'(@$76P3(;7
3+6":+(;2+(0/03(>2+:+(;2+9(@";;(;7'+;2+:<
Assembly Instructions for Rear Floor Section
0< b&3;5$$ ;2+ A$77: a7#3;3 6"; 5@7V+ @+;>++& ;2+ ,-. a7#3; 2+5%+:3< )+6":+ >#;2 ,W% '5$V< %+6P &5#$3<
M< N$56+ A$77: 3+6;#7&3 7V+: ;2+ 0/03< )Q"5:+ A$77:< I+53":+ ;2+ A$77: %#5'7&5$$9 X67:&+: ;7 67:&+:Y<
12+3+(4+53":+4+&;3(>#$$(@+(;2+(354+(#A(;2+(A$77:(#3(3Q"5:+(X-GdHMeKcY<(17(P++8(;2+(-/0(A:54+
A:74(47V#&'?(;7+&5#$(A:54+(;7(;2+(0/0(:"&&+:3<
4x4-12' Treated
Runner
4x8 Flooring
2x4-12' Joist Header
4x4-12' Treated
Runner
Foundation size is 12'-0" x 24'-0". E2+6P $765$ @"#$%#&' 67%+3 #& 97": 5:+5? ;2+ 67&3;:"6;#7& 459
25V+ ;7 625&'+< J7: 5 67&6:+;+ 3$5@? #&3;5$$ 3#$$ 3+5$+: 53 5 47#3;":+ @5::#+: @+;>++& ;2+ 67&6:+;+ 5&%
;2+(>5$$(8$5;+3<(J754(3#$$(3+5$+:(65&(@+(8":6253+%(5;(274+(6+&;+:3(#&(:7$$3(dH,e-c(7:(>#%+:<
,< E"; X-Y ;>7 -/0H,-. ;7 5 $+&';2 7A ,-. HGc< 12+9
>#$$ @+ "3+% A7: ;2+ a7#3; 2+5%+:3< D597";? A:74
;2+ $+A;? A7: ,Wc 7& 6+&;+: a7#3; 3856#&'< 12+ .f.
45:P3(>2+:+(A$77:(a7#3;(>#$$(@+(8$56+%<
W< B+8+5;(3;+8(&"4@+:(,(5&%(-(5@7V+(5&%(533+4@$+
5&7;2+:(A$77:(3+6;#7&<
g< b&3;5$$(;2#3(3+6;#7&(5'5#&3;(;2+(A:7&;(A$77:(3+6;#7&<
[5#$(;7'+;2+:(>#;2(,W%('5$V<(%+6P(&5#$3<
K< b&3;5$$(0/K(A$77:#&'(7V+:(;2+(-/03<(=3+(K%('5$V<
38#:5$(&5#$3<
Details for Optional Deluxe Floor System
Material Description 12' x 24'
-/0 !$76P3 -(863< K.
-/0 h7#3;(C+5%+:3 0(863< ,-.
-/0 J$77:(h7#3; -G(863< ,-.
0/0 1:+5;+%(B"&&+:3 K(863< ,-.
J$77:#&'((((MeKc(7:(de0c _(863< 0/K
)6:+>(J$77:([5#$3 M($@< K%
Z5$V<(!7/([5#$3 M($@< ,W%
2x4-2' Treated
Blocks
Front Floor Section
XXXX
XXXX
X
X
15-1/4" 16" 16"

X
X
X
X
X
X
X
X
Depending on your location pre-cut wall studs vary in
length from 92-1/4" to 93". This doesn't affect construction.
Step 1 Assemble 12' Back Wall
LAP
Edge
d< )Q"5:+(>5$$(A:54+<(I+53":+(;2+(>5$$(%#5'7&5$$9(X67:&+:(;7(67:&+:Y<(12+&(4+53":+
;2+(78873#;+(67:&+:3<(12+3+(4+53":+4+&;3(>#$$(@+(;2+(354+(#A(;2+(>5$$(#3(3Q"5:+<
,< E"; X-Y ;>7 -/0H,-. ;7 5 $+&';2 7A
,00c< N73#;#7& ;2+ @75:%3 ;7'+;2+: 5&%
#&%#65;+ >#;2 .f. 45:P3 >2+:+ ;2+
>5$$(3;"%3(>#$$(@+($765;+%< 24"
23-1/4"
,00c Wall Plate
24"
144" Wall Plate
Pre-Cut Wall Studs
-< b&3;5$$ XgY 3+V+& 8:+H6"; >5$$ 3;"%3 @+;>++& ;2+ ;78 ` @7;;74 8$5;+3<
[5#$ 3;"%3 ;7 >5$$ 8$5;+3 >#;2 ,G% 3#&P+:3? X-Y ;>7 &5#$3 7& +562 +&%<
M< b&3;5$$ X-Y ;>7 47:+ 3#%#&' 85&+$3< bA &+6+335:9
6"; ;2+ $53; 85&+$ A$"32 >#;2 ;2+ +&% 7A ;2+ A:54+<
0< b&3;5$$(;2+(A#:3;(3#%#&'(85&+$(>#;2(;2+(.DLN.(+%'+(A$"32(>#;2
;2+ +&% 7A ;2+ >5$$< )#%#&' >#$$ +/;+&% de0c @+$7> ;2+ @7;;74
8$5;+<([5#$(3#%#&'(>#;2(W%('5$V<(&5#$3?(3856+%(Kc(585:;<
Tip: use a 1x4 trim board as a gauge.
Siding Extends 3/4" Below Plate
Siding Flush

XX
XX
X
X
C
X
X
Stud Spacing
T
T
T
T
T
T
Step 2 Assemble 140-1/2" Side Walls
d< b&3;5$$ XgY 3+V+& 8:+H6"; >5$$ 3;"%3 @+;>++&
;2+(;78(`(@7;;74(8$5;+3(>#;2(X-Y(;>7(,G%
3#&P+:3(7&(+562(+&%<
Step 3 Assemble Door Header
0< B+8+5; ;7 533+4@$+ 5&7;2+: ,0GH,e-c $7&' >5$$ A:54+< 12+ 3#%#&' >#$$ @+ 588$#+% 5A;+: ;2+ >5$$3
5:+(3+;(7&(;2+(A$77:<
(,0GH,e-c Wall Plates
24"
19-3/4" 24"
Top Wall Plate
Bottom Plate
75" Long 2x8
48" OSB Filler
Cut OSB to fit
,< D765;+(X-Y(;>7(-/KHK.(@75:%3<(E";(;2+3+(@75:%3(;7(5($+&';2(7A(gMc<
-< L33+4@$+ ;2+ %77: 2+5%+: "3#&' -/K @75:%3 5&% X-Y ;>7 gH,e0c / 0Kc S)! A#$$+: #&6$"%+% #& 7":
P#;< L88$9 >77% '$"+ >#;2 5 @:"32 ;7 @7;2 3#%+3 7A S)! 5&% #&3;5$$ X,Y 7&+ A#$$+: ;7 7&+ +&%< E";
;7 A#; 3+67&% S)! A#$$+:< [5#$ ;7'+;2+: >#;2 X,-Y ;>+$V+ ,G% 3#&P+:3 3856+% +V+&$9 7& +562 3#%+<
C
140-1/2" Wall Plate
Pre-Cut
Wall Studs
,< E"; X-Y ;>7 -/0H,-. ;7 5 $+&';2 7A ,0GH,e-c< N73#;#7& ;2+ @75:%3 ;7'+;2+: 5&% #&%#65;+ >#;2 .f.
(45:P3(>2+:+(;2+(>5$$(3;"%3(>#$$(@+($765;+%<
-< I5:P(5(.E.(5&9>2+:+(@+;>++&(A#:3;(;>7(3;"%(45:P3<(12#3(#3(:+A+:+&6+%(#&(5($5;+:(3;+8<

X
XC
X
X
X
X
X
X
X
X
,< E";(X-Y(;>7(-/0HK.(;7(5($+&';2(7A(_-H,e-c<(N73#;#7&(;2+(@75:%3(;7'+;2+:(5&%(#&%#65;+(>#;2(.f.
(45:P3(>2+:+(;2+(>5$$(3;"%3(>#$$(@+($765;+%<
-< I5:P(5(.E.(5&9>2+:+(@+;>++&(A#:3;(;>7(3;"%(45:P3<(12#3(#3(:+A+:+&6+%(#&(5($5;+:(3;+8<
Step 4 Assemble 92-1/2' Side Wall Frames
d< b&3;5$$(XMY(A#V+(8:+H6";(>5$$(3;"%3(@+;>++&(;2+(;78(`(@7;;74(8$5;+3(>#;2(,G%(3#&P+:3<
24"
19-3/4"
(_-H,e-c Wall Plates
24"
C
0< B+8+5;(;7(533+4@$+(5&7;2+:(_-H,e-c($7&'(>5$$(A:54+<(12+(3#%#&'(>#$$(@+(588$#+%(5A;+:(;2+(>5$$3
5:+(3+;(7&(;2+(A$77:<
Pre-Cut
Wall Studs
92-1/2" Wall Plate

XX
XX
XX
XX
XX
XX
2x6 Door Header
Refer to door manufacturers specifications for rough
opening size. Adjust measurements accordingly.
Door
Opening
to Door Specs.
,< N73#;#7&(X-Y(;>7(_Wc($7&'(@75:%3(;7'+;2+:(5&%(#&%#65;+(>#;2(.f.((45:P3(>2+:+(;2+(>5$$
3;"%3(>#$$(@+($765;+%<
Step 5 Assemble 96" Side Wall with Door
23-1/4"
28"
37" Door Opening
-< b&3;5$$(XWY(3#/(8:+H6";(>5$$(3;"%3(@+;>++&(;2+(>5$$(8$5;+3<
d< B+A+: ;7 ;2+ %77: 45&"A56;":+:3 38+6#A#65;#7&3 A7: 67::+6; :7"'2 78+&#&' 3#*+< E";
X-Y(;>7(8:+H6";(>5$$(3;"%3(;7(67::+6;($+&';2(X:+4+4@+:(;7(5667"&;(A7:(-/0(@7;;74(8$5;+Y
5&%(#&3;5$$(53(2+5%+:(3"887:;3(7&(+562(3#%+(7A(;2+(%77:(78+&#&'?(see detail below<([5#$(;7
3;"%3(>#;2(,G%(3#&P+:3<
23-1/4"
28"
Pre-built Door Header
packed in dormer kit
0< b&3;5$$((5(-/W/dgc(8:+H@"#$;(%77:(2+5%+:(7&(;2+(KdH,e-c(2+5%+:(3"887:;3<(12+(%77:(2+5%+:(#3
packed in the dormer kit<([5#$(;7(3;"%3(>#;2(,G%(3#&P+:3<
M< I+53":+ 3856+ @+;>++& 2+5%+: 5&% ;78 8$5;+< E"; XdY ;2:++ -/03 ;7 ;2#3 $+&';2 5&% #&3;5$$ 5@7V+
;2+(%77:(2+5%+:(53(327>&<([5#$(;2:7"'2(;78(8$5;+(5&%(;7+&5#$(;7(2+5%+:(>#;2(,G%(3#&P+:3<
Cut 2x4 Blocks to Fit
Header
Supports

X
X
X
X
X
X
X
X
X
X
X
X
Step 6 Assemble Front Wall Frame
,< E"; X-Y ;>7 -/0H,-. @75:%3 ;7 5 $+&';2 7A ,00c A7: >5$$ 8$5;+3< N73#;#7& ;2+ @75:%3 ;7'+;2+: 5&%
#&%#65;+(>#;2(.f.(I5:P3(>2+:+(;2+(>5$$(3;"%3(>#$$(@+($765;+%<
d< E";(X-Y(8:+H6";(3;"%3(;7(5
$+&';2(7A(gKH,e-c(5&%(#&3;5$$
53(2+5%+:(3"887:;3(>2+:+
327>&< [5#$ ;7 3;"%3 >#;2 ,G%
3#&P+:3<
0< b&3;5$$(;2+(%77:(2+5%+:(7&(;2+
-/0(2+5%+:(3"887:;3<([5#$(;7
;2+(3;"%(>#;2(,G%(3#&P+:3<
M< I+53":+ 3856+ @+;>++& 2+5%+:
5&% ;78 8$5;+< E"; A:74 5 8:+H
6"; 3;"% X0Y A7": 8#+6+3 ;7 ;2#3
$+&';2<(OV+&$9(3856+(8#+6+3
5&% &5#$ ;2:7"'2 ;78 8$5;+ 5&%
;7+&5#$(;7(2+5%+:<(=3+(,G%
3#&P+:3<
Install these Studs Centered
-< b&3;5$$(XWY(3#/(8:+H6";(>5$$(3;"%3(@+;>++&(;2+(>5$$(8$5;+3(>2+:+(327>&<
33" 33"
K< b&3;5$$(5(A"$$(>#%;2(3#%#&'(85&+$(7&(;2+(:#'2;(3#%+(7A
;2+(>5$$(85&+$<(E";(3#%#&'(53(8:+V#7"3$9(#&3;:"6;+%<
'LAP' Edge Flush
Flush
Cut Siding Flush
2x8 Door Header
78-1/2" Header Support
nail nail
2x4 Blocks
72" Between Header Supports
Siding Extends 3/4" Below Plate
W< N$56+(5(A"$$(>#%;2(3#%#&'(85&+$(>#;2(;2+(.DLN.(+%'+(A$"32(>#;2($+A;(3#%+(7A(>5$$(A:54+<()#%#&'
327"$% +/;+&% de0c @+$7> @7;;74 8$5;+< !+A7:+ &5#$#&' 3#%#&'? 6"; ;2+ 3#%#&' A$"32 >#;2 ;2+ 3#%+
7A(;2+(%77:(78+&#&'(5&%(@7;;74(7A(;2+(%77:(2+5%+:<
g< b&3;5$$(5(-Gc/0Kc(3#%#&'(85&+$(5@7V+(;2+(%77:(78+&#&'<(E";(;2+(3#%#&'(A$"32(>#;2(;2+(3#%+(7A
;2+(%77:(78+&#&'(5&%(@7;;74(7A(;2+(%77:(2+5%+:<

,< O:+6; @56P >5$$ 5&% ,0GH,e-c 3#%+ >5$$ A:54+3< IMPORTANTTb&3;5$$ ;2+ 3#%+ >5$$ A:54+3 >#;2
;2+(.E.(45:P3(7:#+&;+%(5'5#&3;(;2+(@56P(>5$$(85&+$(5&%(A:7&;(>5$$(67:&+:<()+6":+(>5$$3(;7'+;2+:
5;(;2+(67:&+:<(=3+(X0Y(A7":(,G%(3#&P+:3(8+:(67:&+:<(!:56+(>5$$3(>#;2(8:+H6";(>5$$(3;"%3(;7(27$%
>5$$3(3+6":+(5&%(8$"4@<
-< E";(5(3#%#&'(85&+$(#&(25$A($+&';2>593<(b&3;5$$(;2+(85&+$(>#;2(;2+(.;7&'"+.(+%'+(5;(;2+(@56P(>5$$
67:&+: >#;2 ;2+ 6"; +%'+ A$"32 >#;2 ;2+ 3#%#&' 7& ;2+ @56P >5$$< )#%#&' 327"$% +/;+&% de0c @+$7>
@7;;74(8$5;+<([5#$(3#%#&'(;7(3#%+(>5$$(5&%(5$$(-/03("3#&'(W%('5$V<(&5#$3(3856+%(Kc(585:;<
Step 7A Set Walls
d< b&3;5$$(XMY(A#V+(A"$$(>#%;2((3#%#&'(85&+$3<(D53;(-0c(>#%+(85&+$(327"$%(+/;+&%(&7(47:+(;25&
dH,e-c(853;(>5$$(A:54+(;7(:+6+#V+(;2+(A:7&;(>5$$(85&+$(>#;2(;2+(%77:(78+&#&'<
Tip: If you are erecting building on
a wood floor insert nails between the
3/4" floor sheathing and the 2x4 floor
frame. Rest the siding on the nails
while nailing to frame.
Temporary Nails
Siding Cut
in Half
Back Wall
End Marked 'C'
End
Marked 'C' 140-1/2" Side Walls
Siding Extends
3/4" Below Plate

Back Wall
Siding Extends
3/4" Below Plate
Cut 2x4 Plate
from Opening
Step 7B Set Walls continued
0< O:+6; ;2+ A:7&; %77: >5$$ 85&+$ 5&% ;2+ XdY ;2:++ 3#%+ >5$$ A:54+3< IMPORTANTT b&3;5$$ ;2+
_-H,e-c $7&' A:7&; >5$$ A:54+3 >#;2 ;2+ .E. 45:P3 7:#+&;+% 5'5#&3; ;2+ @56P 5&% A:7&; >5$$
85&+$3< )+6":+ >5$$3 ;7'+;2+: 5; ;2+ 67:&+:3< =3+ X0Y A7": ,G% 3#&P+:3 8+: 67:&+:< !:56+ >5$$3
>#;2(8:+H6";(>5$$(3;"%3(;7(27$%(>5$$3(3+6":+(5&%(8$"4@<
M< E";(5(3#%#&'(85&+$(#&(25$A($+&';2>593<(b&3;5$$(;2+(85&+$(>#;2(;2+(.;7&'"+.(+%'+(5;(;2+(@56P(>5$$
67:&+: >#;2 ;2+ 6"; +%'+ A$"32 >#;2 ;2+ 3#%#&' 7& ;2+ @56P >5$$< )#%#&' 327"$% +/;+&% de0c @+$7>
@7;;74(8$5;+<([5#$(3#%#&'(;7(3#%+(>5$$(5&%(5$$(-/03("3#&'(W%('5$V<(&5#$3(3856+%(Kc(585:;<
W< b&3;5$$(X-Y(;>7(A"$$(>#%;2(3#%#&'(85&+$3<
g< !+A7:+ #&3;5$$#&' ;2+ &+/; 3#%#&' 85&+$ 6"; ;2+ 3#%#&' A$"32 >#;2 3#%+3 5&% ;78 7A %77: 78+&#&'<
K< b&3;5$$(;2+(:+45#&#&'(3#%#&'(85&+$3<
_< D765;+ >2+:+ 97" >5&; ;2+ >#&%7>3? packed in the dormer carton? 5&% 6"; 78+&#&'3 #& 3#%#&'<
]#&%7>(#&3;5$$5;#7&(#&3;:"6;#7&3(5:+(#&(;2+(>#&%7>(@7/<
,G< E";(5&%(:+47V+(@7;;74(-/0(A:74(%77:(78+&#&'3<
,,< [5#$(>5$$3(;7(A$77:(;2:7"'2(@7;;74(8$5;+<()856+(,G%(3#&P+:3(-0c(585:;<
End
Marked 'C'
Cut 2x4 Plate
from Opening
End Marked 'C'
Cut Window
Opening
Cut Siding Flush
with Opening

Step 8 Install 2x4 Tie Plates
Cut 2x4-12' to Fit
2x4-6' Tie Plate
Step 9 Install Metal 2x4 Joist Hangers
2x4 Gauge Block
2x4-6' Tie Plate
Back Wall
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b&3;5$$ 5 -/0H,-. &+/;< b&3;5$$ ;2+ -&% W. $7&' -/0 A$"32 >#;2 ;2+ -/0 7& ;2+ A:7&; >5$$< E"; $+&';2
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2x4-12' Tie Plate
b&3;5$$(X--Y(;>+&;9(;>7(-/0(a7#3;(25&'+:3(5$#'&+%
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-/0(@$76P(53(5('5"'+(;7(+&3":+(;2+(-/03?(#&3;5$$+%
#& &+/; 3;+8? >#$$ @+ A$"32 >#;2 ;2+ ;78 7A ;2+ -/0 ;#+
8$5;+ >2+& #&3;5$$+%< )+6":+ ;2+ 25&'+: >#;2 ,H,e-c
25&'+:(&5#$3<

Step 10 Install Loft Floor
Step 11A Install Loft Floor Sheathing
Important: Before securing the 2x4 floor joists make sure the side walls are plumb. The
building width should be 12'-0" measuring from the outside of the 2x4 tie plates.
E";(X,,Y(+$+V+&(-/0H,-.(@75:%3(;7(5($+&';2(7A(,dgc(5&%(#&3;5$$
#&(;2+(4+;5$(25&'+:3<(=3+(,H,e-c(25&'+:(&5#$3<
Before installing floor sheathing consider where to locate the 2' x 4' access
opening. The detail below shows one possibility. Regardless of desired
layout it is important to install sheathing staggered when possible.
4' x 8'
Suggested 2'x4 Opening Location
4' x 8'
4' x 8'
2' x 4'
4' x 8'
4' x 4'
4' x 4'
Cut a 4' x 8'
in half
4' x 4'
Cut a 4' x 8'
in half

3-1/2" x 24" OSB Filler
IMPORTANT: Do not
placeheavyweighton loft
at this point.
96" Between OSB Fillers
Back
Wall Side
Wall
1x3 Corner Trim
Step 12 Install Corner Trim
IMPORTANT: Lower Trim Must Be Installed Before Installing Roof Gables!
1x4 Trim Boards
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A:7&;(>5$$(85&+$<
Step 11B Install Loft Floor Sheathing continued
Siding Filler
OSB Filler
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=3+("3+(5(A+>(W%('5$V<(&5#$3<(I7:+(&5#$3(>#$$(@+("3+%(7&(;:#4<
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&5#$3(3856+%(,-c(585:;<
Back
Wall Side
Wall

Step 13A Assemble Gables
32-1/2" Long 2x4s
49-1/2"
Long 2x4
Right Pre-built
Gable Frame
1x4 Block MUST
be Positioned Here
and Another on
Opposite Side
Gable Stud
Detail 'A'
Temporary
1x4 blocks
5-3/4"x14"
Gusset
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US([S1(&5#$(@$76P3(;7('5@$+<
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Siding Extends 3/4" Below Plate
2x4s Under
Gable Frame
Tongue Edge on Right Side
Flush
Step 14A Install Front Gable Siding
Step 13B Assemble Gables Continued
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3856+% A:74 6+&;+: 7A ;2+ '5@$+< )+6":+ ;2+ @7;;74 -/0
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-/03<(=3+(W%(67447&(&5#$3<
50-3/4" Gable Studs
5-1/2"x27-3/4"
Gusset

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Step 14B Install Gable Siding continued
Step 15 Install Gable Overhang
0< b&3;5$$($53;(3#%#&'(85&+$<
30-3/4" Long 2x4 77-3/8" Long 2x4
Do not remove the temporary 1x4 blocks until
the roof trusses and back gable are assembled.
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A:54+<(=3+(,G%(3#&P+:3<
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'5@$+<

Repositioned
1x4 Blocks
12'-0" Span
Step 16 Set Front Gable
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'5@$+ ;7 $7A; A$77: 5&% S)! A#$$+:3 "3#&' ,G% 3#&P+:3<
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=3+(W%('5$V<(&5#$3< Bottom edge of gable siding
extends over 1x4 trim
Step 18 Assemble Roof Trusses
Important: Temporarily brace the gables with 2x4s
to secure gables until the roof sheathing is installed!
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Front
Wall
Step 17 Assemble Rear Gable
B+8+5; );+83 ,d ;2:7"'2 ,W ;7 533+4@$+ 5&% 3+; :+5: '5@$+<
Detail 'A'
Tip: Place a gusset under
rafters to help level.
Repositioned
1x4 Blocks
Pre-built Truss
Assembly
77-3/8" long 2x4
Truss Rafter
Wood Gusset
18-1/2" Ridge Block
12'-0" Span Measure Span
from Here

(!0) ten 6d common
nails on both side
Step 19A Set Trusses
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&+6+335:9(385&(5(-/0(56:733(;783(5&%(;56P(;7(P++8(8$"4@("&;#$(:77A(32+5;2#&'(#3(#&3;5$$+%<
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5;78(A$77:(a7#3;<()+6":+(>#;2(X,GY(;+&(W%(67447&(&5#$3(7&(@7;2(3#%+3<
1st Truss 2nd Truss 3rd Truss
Install 2x4 at end of gusset
2x4 Block
Cut to Fit
4th
Truss
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#&3;5$$#&'(%7:4+:3(7&<(b&3;5$$(6";(-/0
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%:5>#&'<(=3+(X-Y(;>7(0c(>77%(36:+>3
7&(+562(+&%<()6:+>3(5:+(856P+%(#&(;2+
%7:4+:(P#;<

Step 20 Install Side Wall Trim
99" Corner Trim
3/8" Gauge Block
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#& ;2+ 25:%>5:+ @5'< N$56+ ;2#3 '5"'+ @$76P "&%+:
;2+(-/0(7V+:25&'(5&%(@";;(5(__c($7&'(,/0(;:#4
@75:%(5'5#&3;(#;<(E";(;:#4(@75:%(;7($+&';2(5&%
#&3;5$$ ;2+ ;:#4 A$"32 >#;2 ;2+ 67:&+: ;:#4 7& ;2+
@56P(7A(;2+(@"#$%#&'<(=3+(W%('5$V<(&5#$3<
1x3 Trim
3/8" Gauge Block
Step 19B Set Trusses continued
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It's easier to install the soffit if the corner and side wall trim are installed first. This
enables the soffit to rest on the trim where it meets the building. See lower detail.
9th Truss
2x4 Block
Cut to Fit
8th Truss
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;2:++(67:&+:3<
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;:#4(@75:%(;7(A#&#32<
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Step 21 Install Soffit
Detail 'C'
1x3 Trim Board
Nail Soffit to End of 2x4
Soffit
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85&+$(A$"32(>#;2(;2+(-/0(7&(;2+(:+5:('5@$+<
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Tongue Edge at
Center of Truss
LAP Edge is cut off