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Builders Guide toContinuous Insulation

31. ABOUT THIS GUIDE 5.

2. PRINCIPLES 6. WHAT IS A BUILDING? 6. CONTROL LAYERS 6. WATER CONTROL LAYER 7. AIR CONTROL LAYER 9. VAPOR CONTROL LAYER 10. CONTROL OF CONDENSING SURFACE

TEMPERATURE 11. THERMAL CONTROL LAYER 13. THERMAL BRIDGES 13.

3. CLIMATE ZONES AND BUILDING ENVIRONMENTS 15.

4. DESIGN 20. WATER CONTROL LAYER 20. AIR CONTROL LAYER 20. VAPOR CONTROL LAYER 23. THERMAL CONTROL LAYER 24. RECOMMENDED ASSEMBLIES 26.

5. CONSTRUCTION: WATER CONTROL LAYER EXTERIOROF THE RIGID INSULATION 31.

STRUCTURE 31. ATTACHMENT OF INSULATION 31. WATER RESISTIVE BARRIERS 32. WINDOW INTEGRATION 33. ROOFS 36. BALCONIES 41. DECKS 42. CLADDING ATTACHMENT 44. CLADDING DRAINAGE AND VENTILATION 46.

TABLE OF CONTENTS

46. CONSTRUCTION: WATER CONTROL LAYER BEHIND THE RIGID INSULATION 47.

STRUCTURE 47. ATTACHMENT OF INSULATION 47. WATER RESISTIVE BARRIERS 48. WINDOW INTEGRATION 49. ROOFS 52. BALCONIES 57. DECKS 58. CLADDING ATTACHMENT 60. CLADDING DRAINAGE AND VENTILATION 62.

7. APPENDICES 63. APPENDIX 1: PARALLEL PATHS U-FACTOR AND

EFFECTIVE R-VALUE EXAMPLES 63.

APPENDIX 2: CODE REFERENCES 74.

APPENDIX 3: CLADDING ATTACHMENT 75.

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ABOUT THIS GUIDE

62. PRINCIPLES

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Figure 2.1: Optimum configuration of control layers

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8Figure 2.2: The down and out approach to flashing

Figure 2.3: Flashing integrated with the water control layer with lapped joints

Figure 2.4: Taped rigid insulation water control layer with sealed joints

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Control of condensing surface temperature

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Figure 2.5: Control of condensing surface temperature

PRINCIPLES

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Table 2.1: Thermal resistance values to control condensation for climate zones 5, 6, 7, 8, and marine 4 from (2009 IRC and 2012 IRC)

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Figure 2.6a: Condensing surface of interest with non-insulating exterior sheathing

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Figure 2.6b: Condensing surface of interest with rigid insulation

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PRINCIPLES

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Table 3.1: Framed Wall Minimum R-Value

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Figure 3.1: Hygrothermal map

(Lstiburek, Joseph. (2006). Builders Guide to Cold Climates. Westford, MA: Building Science Press)


18

Figure 3.2: Rainfall map

(Lstiburek, Joseph. (2006). Water Management Guide. Westford, MA: Building Science Press)

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Figure 3.3: Department of Energy climate zones


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21

Figure 4.1: Water control layer behind the insulation

Figure 4.2: Water control layer in front of the insulation

Figure 4.4: Water control layer in between the layers of insulation

DESIGN

Figure 4.3: Water control layer using the face of the foam with taped joints

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Figure 4.5: Vapor impermeable foam sheathing installed over OSB with high-density spray polyurethane foam

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Table 4.1: Minimum exterior insulation required for common wall framing dimensions

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24

THERMAL CONTROL LAYER7KH DGGLWLRQ RI H[WHULRU ULJLG LQVXODWLRQ FDQ VLJQLFDQWO\ LPSURYH WKHZDOODVVHPEO\WKHUPDOSHUIRUPDQFHEHFDXVHLWSURYLGHVDFRQWLQXRXVLQVXODWLRQOD\HUWKDWGLPLQLVKHVWKHLPSDFWRIWKHUPDOEULGJHVFDXVHGE\IUDPLQJ

7\SLFDOWKHUPDOUHVLVWDQFHRIFRPPRQULJLGLQVXODWLRQPDWHULDOVFDQEHVHHQLQ7DEOH

Table 4.2: Typical thermal resistance of common rigid insulation materials

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25

:LWK YDSRU LPSHUPHDEOH ULJLGLQVXODWLRQPDWHULDOV D&ODVV ,YDSRU UHWDUGHU RQ WKH LQWHULRUVLGH RI WKH DVVHPEO\ VKRXOGEH DYRLGHG $ &ODVV , YDSRUUHWDUGHUZLOOQRWSHUPLWWKHZDOODVVHPEO\WRGU\WRWKHLQWHULRU

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26

RECOMMENDED ASSEMBLIES7KHIROORZLQJ LVD OLVWRI UHFRPPHQGHGDVVHPEOLHVDVZHOODVFRGHPLQLPXPDVVHPEOLHVEDVHGRQFOLPDWH]RQH,QDOODVVHPEOLHVWKHZDWHUFRQWUROOD\HUFDQDOVREHSODFHGEHKLQGWKHULJLGLQVXODWLRQ6HH6HFWLRQIRUFRQVWUXFWLRQGHWDLOV

Assembly 1 High Performance

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Effective Thermal Performance

([WHULRULQVXODWLRQW\SH (IIHFWLYHWKHUPDOUHVLVWDQFH)RLOIDFHGSRO\LVRF\DQXUDWH3,& ([WUXGHGSRO\VW\UHQH;36 ([SDQGHGSRO\VW\UHQH(36 0LQHUDOEHU0)

Figure 4.6: Recommended high performance wall assembly

27

DESIGN

Assembly 2 Good Performance

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Figure 4.7: Recommended good performance wall assembly

28

Assembly 3 Code Minimum

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Figure 4.8: Code minimum wall assembly

29

DESIGN

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31

CONSTRUCTION: WATER CONTROL LAYER EXTERIOR OF THE RIGID INSULATION

5. CONSTRUCTION: WATER CONTROL LAYER EXTERIOR OF THE RIGID INSULATION7KHLQWHQWRIWKLVJXLGHLVWROHYHUDJHPDQ\RIWKHEHQHWVRIFRQWLQXRXVVWUXFWXUDOVKHDWKLQJDQGFRQWLQXRXVH[WHULRUULJLGLQVXODWLRQ:KLOHLWLVUHFRJQL]HGWKDWRWKHUPHDQVRISURYLGLQJVWUXFWXUDOUHVLVWDQFHWRZLQGDQGODWHUDOORDGVDUHSRVVLEOHWKHLQWHQWLVWRPDLQWDLQVWDQGDUGFRQVWUXFWLRQSUDFWLFHDVPXFKDVSRVVLEOHZLWKWKHDGGLWLRQRIFRQWLQXRXVH[WHULRUULJLGLQVXODWLRQ

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STRUCTURE7KHXVHRIFRQWLQXRXVZRRGVWUXFWXUDOVKHDWKLQJSURYLGHVDVLPSOHDQGUREXVWPHDQVIRUZDOOEUDFLQJDQGZLQGUHVLVWDQFHIRUDYDULHW\RIKRPHVW\OHVDQGGHVLJQFRQGLWLRQVDQGLVVWDQGDUGSUDFWLFHIRUPRVWRIWKHUHVLGHQWLDOEXLOGLQJLQGXVWU\7KHDSSOLFDWLRQRIFRQWLQXRXVH[WHULRUULJLGLQVXODWLRQFDQEHVLPSO\DGGHGWRDQ\KRPHZLWKDFRGHFRPSOLDQWVWUXFWXUDOGHVLJQ

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32

WATER RESISTIVE BARRIERS:KHQWKHZDWHUFRQWUROOD\HULVORFDWHGLQIURQWRIWKHULJLGLQVXODWLRQWKHQWZRZDWHUFRQWUROOD\HUDSSURDFKHVFDQEHXVHG

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Figure 5.1: Single layer of rigid insulation Figure 5.2: Multiple layers of rigid insulation with offest joints

33

WINDOW INTEGRATION:LWK WKHZDWHU FRQWURO OD\HU SRVLWLRQHG DW WKH IDFHRI WKH LQVXODWLRQ WKHEHVWORFDWLRQIRUWKHZLQGRZLQVWDOODWLRQLVDWWKHIDFHRIWKHULJLGLQVXODWLRQ:LQGRZVLQVWDOOHGDWWKHSODQHRIWKHULJLGLQVXODWLRQZRXOGIROORZLQGXVWU\VWDQGDUGVIRULQWHJUDWLRQZLWKWKHZDOOZDWHUFRQWUROOD\HU,WLVUHFRPPHQGHGWKDWDOOZLQGRZVDUHLQVWDOOHGLQDSDQDVKHGDQGGUDLQHGRSHQLQJZLWKWKHMDPEVDQGKHDGRIWKHIUDPHWDSHGRUVHDOHGWRWKHZDOOZDWHUFRQWUROOD\HUVHHVHTXHQFHVLQ)LJXUHVVHHDOVR)LJXUHVDQG

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Figure 5.3: Sheet water control layer over insulation

Figure 5.4: Taped rigid insulation water control layer

34

Figure 5.5b: Step 2Window installed

Figure 5.5a: Step 1Pan flashing installed at the sill

Figure 5.5c: Step 3Flanges integrated into water control layer

Figure 5.6a: Step 1Water control layer wrapped into rough opening; pan flashing

installed at the sill

Figure 5.6b: Step 2Window installed; flanges integrated into water control layer

Figure 5.6c: Step 3Head flashing installed and integrated into water control layer

35


Figure 5.7: Window head water control layer in front of rigid insulation

Figure 5.8: Window sill water control layer in front of rigid insulation

36

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Figure 5.9: Window jamb water control layer in front of rigid insulation

37


Figure 5.11: Unvented attic water control layer in front of rigid insulation

Figure 5.10: Vented attic water control layer in front of rigid insulation

38

H[WHULRUZDOODVVHPEOLHVVHH)LJXUH)RUXQYHQWHGDWWLFVWKHLQVXODWLRQZLOOIROORZWKHSODQHRIWKHLQWHUVHFWLQJURRIVKHDWKLQJVHH)LJXUH

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

Figure 5.12: Vented attic or porch water control layer in front of rigid insulation

&2'(5(48,5(0(176)25:$//%5$&,1*$5()281',1 6(&7,21 2) 7+( ,5& $1' ,5&7+(5( $5( 9$5,286 27+(55(6285&(672$66,67,1 $&+,(9,1* &2'(&203/,$17:$//%5$&,1*$3$ 6LPSOLHG %UDFLQJ*XLGH

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39

Figure 5.13: Unvented attic water control layer in front of rigid insulation


40

Figure 5.14a: Fully-adhered membrane and insulation curb installed prior to the roof

shingles

Figure 5.14b: Fully-adhered membrane installed over insulation curb to provide temporary waterproofing until the wall

insulation is installed

Figure 5.14c: Roof assembly and step flashing installed following industry

standard practice

Figure 5.14d: Insulation added to the wall assembly and sealed over step flashing

41

BALCONIES%DOFRQ\LQWHUIDFHVZLOOQHHGWREHDGGUHVVLQDVLPLODUPDQQHUWRZDOOVDERYHORZHUURRIV6LQFHWKHZDWHUFRQWUROOD\HULVDWWKHIDFHRIWKHULJLGLQVXODWLRQDOOGHFNZDWHUSURRQJVKRXOGEHUHWXUQHGXSWKHIDFHRIWKHULJLGLQVXODWLRQVHH)LJXUHDQG

Figure 5.15: Balcony water control layer in front of rigid insulation


42

DECKS:LWKGHFNVWKHOHGJHUFDQEHLQVWDOOHGHLWKHURXWERDUGRULQERDUGRI WKH ULJLG LQVXODWLRQGHSHQGLQJRQ ORDGV:LWK ODUJH ORDGV DQLQERDUGORFDWLRQPD\EHQHFHVVDU\,QJHQHUDOORFDWLQJWKHOHGJHURXWERDUGRIWKHULJLGLQVXODWLRQLVSUHIHUUHGVHH)LJXUHDQG)LJXUH,QDGGLWLRQDIXOO\DGKHUHGZDWHUSURRIPHPEUDQHLVUHFRPPHQGHGWREHLQVWDOOHGEHWZHHQWKHOHGJHUDQGWKHIDFHRIWKHULJLGLQVXODWLRQ

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Figure 5.16: Balcony water control layer in front of rigid insulation

,QJHQHUDOSODFHPHQWRIWKHZDWHUFRQWUROOD\HUWRWKHH[WHULRURIWKHULJLGLQVXODWLRQFDQSURYLGH WKHPRVW VWUDLJKWIRUZDUGLQVWDOODWLRQ DV PRVW RI WKHLQWHJUDWLRQ GHWDLOV ZLWK RWKHUHQFORVXUHHOHPHQWVZLOOIROORZVWDQGDUG FRQVWUXFWLRQ GHWDLOV7KHVHGHWDLOVZLOO MXVWKDSSHQDW WKH IDFH RI WKH LQVXODWLRQUDWKHU WKDQ DW WKH IDFH RI WKHVWUXFWXUDOVKHDWKLQJ

43


Figure 5.17: Ledger outboard of rigid insulation

Figure 5.18: Ledger inboard of rigid insulation

44

CLADDING ATTACHMENT)RUWKLQQHUWKLFNQHVVHVRILQVXODWLRQWKHFODGGLQJFDQRIWHQEHDWWDFKHGGLUHFWO\WKURXJK WKH ULJLG LQVXODWLRQ EDFN WR WKH VWUXFWXUH7KH SUDFWLFDO OLPLW RI WKLVDSSURDFKLVDURXQGRIULJLGLQVXODWLRQGXHWRDOLPLWDWLRQRQIDVWHQHUOHQJWKVIRUPDQ\SQHXPDWLFQDLOJXQVVHH)LJXUHDQG

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)RUZRRGVKLQJOHVDFRQWLQXRXVQDLOEDVHZLOOEHUHTXLUHG7KLVDGGLWLRQDOOD\HURIVKHDWKLQJLVLQVWDOOHGGLUHFWO\RYHUWKHLQVXODWLRQLQSODFHRIZRRGIXUULQJVWULSV$GUDLQDJHPDW LV LQVWDOOHGRYHUWKHDGGLWLRQDOOD\HURIVKHDWKLQJEHWZHHQWKHZRRGVKLQJOHVDQGWKHDGGLWLRQDOOD\HURIVKHDWKLQJWRSURYLGHFODGGLQJGUDLQDJHDQGYHQWLODWLRQ7KHDGGLWLRQDOOD\HURIZRRGVKHDWKLQJZLOOQHHGWREHSURWHFWHGIURPUDLQZDWHUDEVRUSWLRQE\HLWKHULQVWDOOLQJDEXLOGLQJSDSHURUKRXVHZUDSXQGHUWKHGUDLQDJHPDWDQGRYHUWKHDGGLWLRQDOOD\HURIZRRGVKHDWKLQJ

,QRUGHUWRDGHTXDWHO\VXSSRUWWKHFODGGLQJWKHIXUULQJVWULSVDUHUHFRPPHQGHGWREHDWWDFKHGEDFNWRWKHVWUXFWXUHXVLQJHLWKHURUJUHDWHUZRRGVFUHZVWKDWDUHVL]HGWRPDLQWDLQDPLQLPXPHPEHGPHQWLQWRWKHVWUXFWXUDOIUDPLQJ$VDQH[DPSOHDLQFKORQJZRRGVFUHZFDQEHXVHGWRDWWDFKXSWRRILQVXODWLRQ$LQFKVFUHZZRXOGEHDGHTXDWHIRURIULJLGLQVXODWLRQ

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Table 5.1: Vertical screw spacing for attachment of wood furring strips to the structure for up to 4 of rigid insulation

&ODGGLQJ RFVWXGVSDFLQJRFVWXGVSDFLQJ

:RRGYLQ\ODQGEHUFHPHQWXSWROEIW

6WXFFRXSWROEIW $GKHUHGVWRQHYHQHHUXSWROEIW

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&2'(5(48,5(0(176)25&/$'',1* $77$&+0(17$5( )281' ,1 6(&7,2152)7+(,5&$1' ,5& 7$%/( 53529,'(6 *8,'$1&( )25$77$&+0(17 2) &/$'',1* ',5(&7/

45


Figure 5.19: Lap siding attached directly through rigid insulation

Figure 5.20: Stucco attached directly through rigid insulation

Figure 5.21: Furring strips attachment location for lap siding

Figure 5.22: Additional furring for support of adhered stone veneers needs to be attached to

horizontal blocking within stud framing

/DUJHUVSDFLQJFDQEHXVHGLIOHVVLQVXODWLRQLVXVHG)RUFODGGLQJVLQH[FHVVRISVIDGGLWLRQDOGHVLJQLVUHFRPPHQGHG)RUDGGLWLRQDORSWLRQVIRUIDVWHQHUW\SHVSDFLQJDQGWKLFNQHVVRILQVXODWLRQSOHDVHVHH$SSHQGL[

)RUFODGGLQJVWKDWPD\QHHGDGGLWLRQDOVXSSRUWVXFKDVDGKHUHGVWRQHYHQHHUVDGGLWLRQDOIXUULQJVWULSVFDQEHLQVWDOOHGVHH)LJXUH

46

CLADDING DRAINAGE AND VENTILATION,WLVUHFRPPHQGHGWRSURYLGHDGUDLQDJHVSDFHEHKLQGDOOFODGGLQJDVVHPEOLHVUHJDUGOHVVRISRVLWLRQRIWKHZDWHUFRQWUROOD\HU,ISRVVLEOHEDFNYHQWLODWLQJWKHFODGGLQJLVDOVRUHFRPPHQGHG7KHXVHRIYHUWLFDOZRRGIXUULQJVWULSVE\LWVQDWXUHFUHDWHVDYHQWLODWLRQDQGGUDLQDJHVSDFH2WKHUWHFKQLTXHVVXFKDVQRQVWUXFWXUDOIXUULQJHJVWULSVRIULJLGLQVXODWLRQRUGUDLQDJHPDWVDUHRWKHUSRWHQWLDORSWLRQV7KHGUDLQDJHVSDFHLVSDUWLFXODUO\LPSRUWDQWIRUYHUWLFDOVLGLQJSDQHOVLGLQJVWXFFRFODGGLQJVDQGDGKHUHGVWRQHYHQHHUVVHH)LJXUH

)ODVKLQJVXFKDVDWWKHWRSRIWKHZLQGRZWULPRUZDWHUWDEOHVLVQRWUHTXLUHGWREHLQWHJUDWHGZLWKWKHZDWHUFRQWUROOD\HUWKRXJKLQWKLVFRQJXUDWLRQLWPD\EHHDV\WRGR7KHSXUSRVHRIWKLVDVKLQJLVWRSURWHFWWKHWRSHGJHRIWKHWULPPDWHULDOE\PDLQWDLQLQJWKHVKLQJOHODSSLQJRIWKHFODGGLQJZLWKWKHWULPVHH)LJXUH

Figure 5.23: Window trim head flashing does not need to be tied back to water control layer

47

6. CONSTRUCTION: WATER CONTROL LAYER BEHIND THE RIGID INSULATION7KHLQWHQWRIWKLVJXLGHLVWROHYHUDJHPDQ\RIWKHEHQHWVRIFRQWLQXRXVVWUXFWXUDOVKHDWKLQJDQGFRQWLQXRXVH[WHULRUULJLGLQVXODWLRQ:KLOHLWLVUHFRJQL]HGWKDWRWKHUPHDQVRISURYLGLQJVWUXFWXUDOUHVLVWDQFHWRZLQGDQGODWHUDOORDGVDUHSRVVLEOHWKHLQWHQWLVWRPDLQWDLQVWDQGDUGFRQVWUXFWLRQSUDFWLFHDVPXFKDVSRVVLEOHZLWKWKHLQWURGXFWLRQRIFRQWLQXRXVH[WHULRUULJLGLQVXODWLRQ

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STRUCTURE7KHXVHRIFRQWLQXRXVZRRGVWUXFWXUDOVKHDWKLQJSURYLGHVDVLPSOHDQGUREXVWPHDQVIRUZDOOEUDFLQJDQGZLQGUHVLVWDQFHIRUDYDULHW\RIKRPHVW\OHVDQGGHVLJQFRQGLWLRQVDQGLVVWDQGDUGSUDFWLFHIRUPRVWRIWKHUHVLGHQWLDOEXLOGLQJLQGXVWU\7KHDSSOLFDWLRQRIFRQWLQXRXVH[WHULRUULJLGLQVXODWLRQFDQEHVLPSO\DGGHGWRDQ\KRPHZLWKDFRGHFRPSOLDQWVWUXFWXUDOGHVLJQ

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

6WLOOLWLVUHFRPPHQGHGWRXVHHLWKHUFDSQDLOVVFUHZZLWKZDVKHUVRUSODWHVRURWKHUODUJHUKHDGIDVWHQHUVWRSUHYHQWRYHUGULYLQJWKURXJKWKHRXWHUIDFHRIWKHLQVXODWLRQPDWHULDOV

7KHH[WHULRUULJLGLQVXODWLRQFDQHLWKHUEHLQVWDOOHGLQDVLQJOHOD\HURULQPXOWLSOHOD\HUV)RUPXOWLOD\HUDSSOLFDWLRQVLWLVUHFRPPHQGHGWRRIIVHWDOOWKHMRLQWVLQWKHLQVXODWLRQERDUGV

CONSTRUCTION: WATER CONTROL LAYER BEHIND THE RIGID INSULATION

&2'( 5(48,5(0(176)25 :$// %5$&,1* $5()281' ,1 6(&7,21 2) 7+( ,5& $1' ,5& 7+(5( $5( 9$5,28627+(5 5(6285&(6 72$66,67,1$&+,(9,1*&2'(&203/,$17:$//%5$&,1*$3$ 6LPSOLHG %UDFLQJ*XLGH

,&&:DOO%UDFLQJ*XLGH)6&:DOO%UDFLQJ*XLGH

48

WATER RESISTIVE BARRIERS:KHQWKHZDWHUFRQWUROOD\HULVORFDWHGEHKLQGWKHULJLGLQVXODWLRQDQ\QXPEHURISURGXFWVRUV\VWHPVFDQEHXVHG0RVWFRPPRQZRXOGEHEXLOGLQJSDSHURUKRXVHZUDS)XOO\DGKHUHGPHPEUDQHOLTXLGDSSOLHGPHPEUDQHVRU WDSHGDQGVHDOHG MRLQWVRI IDFHGVWUXFWXUDOSDQHOVZRXOGDOVREHRSWLRQV7KHLQVWDOODWLRQRIWKHVHSURGXFWVZRXOGIROORZLQGXVWU\VWDQGDUGSUDFWLFHDQGZRXOGEHLQGHSHQGHQWRIWKHLQVWDOODWLRQRIWKHULJLGLQVXODWLRQ

$OODVKLQJDQGRWKHUZDWHUFRQWUROLQWHUIDFHVIRUWKHEXLOGLQJZLOOQHHGWRFRQQHFWWRWKHZDOOZDWHUFRQWUROOD\HU

Figure 6.1: Single layer of rigid insulation Figure 6.2: Multiple layers of rigid insulation with offset joints

:KLOHLQVWDOOLQJWKHZDWHUFRQWUROOD\HUEHKLQGWKHLQVXODWLRQPD\ VHHP VWUDLJKWIRUZDUG LWDFWXDOO\ FDQ EHPRUH GLIFXOWLQWKHORQJUXQDVPDQ\RIWKHFRPPRQ EXLOGLQJ LQWHUIDFHGHWDLOVURRIVZLQGRZVGHFNVEDOFRQLHV HWF ZLOO UHTXLUHDVKLQJWREHUXQWKURXJKWKHULJLG LQVXODWLRQ WR WKH H[WHULRU7KHVHGHWDLOVGHYLDWHIURPFRPPRQ EXLOGLQJ SUDFWLFHZKLFKFDQRIWHQOHDGWRFRQIXVLRQGXULQJFRQVWUXFWLRQ

49

WINDOW INTEGRATION:LQGRZVLQVWDOOHGDWWKHSODQHRIWKHVWUXFWXUDOVKHDWKLQJZRXOGIROORZLQGXVWU\VWDQGDUGVIRULQWHJUDWLRQZLWKWKHZDOOZDWHUFRQWUROOD\HU,WLVUHFRPPHQGHGWKDWDOOZLQGRZVDUHLQVWDOOHGLQDSDQDVKHGDQGGUDLQHGRSHQLQJZLWKWKHMDPEVDQGKHDGRIWKHIUDPHWDSHGRUVHDOHGWRWKHZDOOZDWHUFRQWUROOD\HU

0RYLQJWKHZLQGRZVIXUWKHUWRWKHH[WHULRUZKLOHPDLQWDLQLQJWKHZDWHUFRQWUROOD\HUDWWKHVWUXFWXUDOVKHDWKLQJSODQHZRXOGUHTXLUHH[WHQVLRQEXFNVWREHLQVWDOOHGLQWKHZLQGRZURXJKRSHQLQJ$WWKHKHDGLWLVUHFRPPHQGHGWRVORSHWKHWRSVXUIDFH WR WKHH[WHULRU7KHH[WHQVLRQEXFNVZRXOGQHHG WREHFRYHUHGZLWKDZDWHUSURRIPHPEUDQH/LTXLGDSSOLHGPHPEUDQHVDUHSDUWLFXODUO\ZHOOVXLWHGIRUWKLVDSSOLFDWLRQ7KHZLQGRZLVWKHQDVKHGLQWRWKHURXJKRSHQLQJIROORZLQJWKHVDPHUHFRPPHQGDWLRQDVVKRZQLQJXUHVVHHVHTXHQFHVLQ)LJXUHVDQGVHHDOVR)LJXUHDQG

Figure 6.3: Sheet Water control layer behind insulation

Figure 6.4: Taped water control layer


50

Figure 6.5a: Step 1Water control layer wrapped into the rough opening; pan

flashing installed at the sill

Figure 6.5b: Step 2Window installed; flanges taped to water control layer

Figure 6.5c: Step 3Exterior rigid insulation installed

Figure 6.6a: Step 1Water control layer wrapped around rough opening extension

buck; pan flashing installed at the sill

Figure 6.6b: Step 2Window installed; flanges taped to water control layer

Figure 6.6c: Step 3Exterior rigid insulation installed

51


Figure 6.7: Window head water control layer behind rigid insulation

Figure 6 .8: Window sill water control layer behind rigid insulation

52

ROOFS:KHUHWKHURRILVDERYHWKHZDOOWKHWHUPLQDWLRQRIWKHH[WHULRULQVXODWLRQGRHVQRWFKDQJHVLJQLFDQWO\ UHJDUGOHVVRI WKHDWWLFEHLQJYHQWHGRUXQYHQWHG7KHGLIIHUHQFHVZRXOGPRVWO\EHDVVRFLDWHGZLWKWKHDWWLFGHVLJQDQGQRWWKHZDOOGHVLJQ

)RUYHQWHGDWWLFVWKHULJLG,QVXODWLRQZLOOQHHGWRWHUPLQDWHEHORZWKHOHYHORIWKHURRIVKHDWKLQJLQRUGHUWRSURYLGHDYHQWLODWLRQRSHQLQJ([WHQGLQJWKHULJLGLQVXODWLRQXSDVKLJKDVSRVVLEOHKDVVRPHDGGLWLRQDOEHQHWVWKRXJKLQFOXGLQJLQFUHDVHGWKHUPDOUHVLVWDQFHDWWKHURRIWRZDOOFRQQHFWLRQDQGLWFDQDFWDVDQLQVXODWLRQVWRSDQGEDIHIRUWKHDWWLFLQVXODWLRQVHH)LJXUH)RUJDEOHHQGVZKLOHKDYLQJDGGLWLRQDOWKHUPDOUHVLVWDQFHLVQRWQHHGHGLWLVRIWHQSUDFWLFDOWRVLPSO\PDLQWDLQWKHULJLGLQVXODWLRQXSWKHIXOOKHLJKWWRNHHSWKHFODGGLQJDOLJQHG

)RUXQYHQWHGDWWLFVWKHULJLGLQVXODWLRQFDQEHUXQWLJKWWRWKHXQGHUVLGHRIWKHURRI VKHDWKLQJ ,Q WKLV FRQJXUDWLRQ LW FDQ DFW DV DQ LQVXODWLRQ VWRS IRU VSUD\SRO\XUHWKDQHIRDPLIXVHG$WWKHJDEOHHQGVFRQWLQXLQJWKHULJLGLQVXODWLRQZLOOSURYLGHDGGLWLRQDOWKHUPDOUHVLVWDQFHIRUWKHDWWLFDVVHPEO\VHH)LJXUH

:KHUHWKHZDOOLVDERYHDURRIWKHWHUPLQDWLRQGHWDLOVDWWKHEDVHRIWKHZDOODUHFULWLFDODQGZLOOGHSHQGJUHDWO\RQWKHGHVLJQRIWKHDWWLFEHORZ)RUYHQWHGDWWLFVRUSRUFKURRIVWKHLQWHQWLVWRPDLQWDLQWKHFRQWLQXLW\RIWKHLQVXODWLRQSDVWWKHURRIOLQHDVWKHZDOODERYHDQGWKHFRQWLQXDWLRQRIWKHZDOOEHORZWKHURRIDUHERWKFRQVLGHUHGH[WHULRUDVVHPEOLHVVHH)LJXUH)RUXQYHQWHGDWWLFVWKHLQVXODWLRQZLOOIROORZWKHSODQHRIWKHLQWHUVHFWLQJURRIVKHDWKLQJVHH)LJXUH

:LWKWKHZDWHUFRQWUROOD\HUEHKLQGWKHLQVXODWLRQWKHVWHSDVKLQJDQGVKLQJOHVPXVWH[WHQGEDFN WR WKHSODQHRI WKHVWUXFWXUDO VKHDWKLQJ$FRQVLGHUDWLRQ IRUWKH GHWDLOLQJ RI WKLV LQWHUIDFH LV WKH IXWXUH QHHG WR UHURRI WKH EXLOGLQJ7KH

Figure 6.9: Window jamb water control layer behind rigid insulation

53


Figure 6.10: Vented attic water control layer behind rigid insulation

Figure 6.11: Unvented attic water control layer behind rigid insulation

54

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

Figure 6.12: Vented attic or porch water control layer behind rigid insulation

55


Figure 6.13: Unvented attic water control layer behind rigid insulation

56

Figure 6.14c: Insulation added to the wall assembly

Figure 6.14d: Removable 8 strip of insulation will allow for future re-roofing of the

assembly

Figure 6.14a: Fully-adhered membrane at roof to wall connection; kick-out flashing

stripped in at roof termination

Figure 6.14b: Roof assembly and step flashing installed following industry standard practice

57


BALCONIES%DOFRQ\LQWHUIDFHVQHHGWREHDGGUHVVLQDVLPLODUPDQQHUWRZDOOVDERYHORZHUURRIV$JDLQSURYLGLQJDUHPRYDEOHVWULSRILQVXODWLRQDQGFODGGLQJDWWKHZDOOWREDOFRQ\,QWHUIDFHZLOODOORZIRUIXWXUHUHSODFHPHQWRIWKHEDOFRQ\ZDWHUSURRQJV\VWHPVHH)LJXUHDQG)LJXUH

Figure 6.15: Balcony water control layer behind rigid insulation

58

DECKS7KHZDWHUFRQWUROOD\HULVUHFRPPHQGHGWRUXQFRQWLQXRXVSDVWWKHGHFNOHGJHU$DVKLQJFDQEHSODFHGRYHUWKHGHFNOHGJHUWRKHOSFRQWUROVXUIDFHUXQRIIRIUDLQZDWHUIURPWKHFODGGLQJ,QWKLVFDVHWKHDVKLQJRQO\QHHGVWREHODSSHGEHKLQGWKHVLGLQJWRPDLQWDLQFRQWLQXLW\RIWKHVKLQJOHODSSLQJ,WLVQRWQHFHVVDU\WRUXQWKHDVKLQJDOOWKHZD\EDFNWRWKHZDWHUFRQWUROOD\HUVHH)LJXUH

Figure 6.16: Balcony water control layer behind rigid insulation

59


Figure 6.18: Deck water control layer behind rigid insulation; deck attached after the insulation

Figure 6.17: Deck water control layer behind rigid insulation; deck attached before the insulation

60

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Table 6.1: Vertical screw spacing for attachment of wood furring strips to the structure for up to 4 of rigid insulation

&ODGGLQJ RFVWXGVSDFLQJRFVWXGVSDFLQJ

:RRGYLQ\ODQGEHUFHPHQWXSWROEIW

6WXFFRXSWROEIW $GKHUHGVWRQHYHQHHUXSWROEIW

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&2'(5(48,5(0(176)25&/$'',1* $77$&+0(17$5( )281' ,1 6(&7,2152)7+(,5&$1' ,5& 7$%/( 53529,'(6 *8,'$1&( )25$77$&+0(17 2) &/$'',1* ',5(&7/

61

Figure 6.19: Lap siding attached directly through rigid insulation

Figure 6.20: Stucco attached directly through rigid insulation


Figure 6.22: Additional furring for support of adhered stone veneers needs to be attached to

horizontal blocking within stud framing

Figure 6.21: Furring strips attachment location for lap siding

62

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Figure 6.23: Window trim head flashing does not need to be tied-back to water control layer

63

7. APPENDICES

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APPENDICES

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Assembly 1 High Performance

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Assembly 2 Good Performance (2x6 framing)

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Assembly 3 Good Performance (2x4 framing)

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Assembly 4 Standard Wall (2x6 framing)

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Assembly 5 Standard Wall (2x4 framing)

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dow residential continuous insulation sheathing guide

Documents

thermal control layer

air control layer

vapor control layer

water control layer

control layers

cladding attachment

attachment of insulation

cladding drainage