.,QVWDOO$WWLF,QVXODWLRQ6KLHOG
7KHDWWLFLQVXODWLRQVKLHOGPXVWEHLQVWDOOHGZKHUHWKH
FKLPQH\SDVVHVLQWRDQDWWLF,WVSXUSRVHLVWRSUHYHQW
GHEULVDQGLQVXODWLRQIURPJHWWLQJWRRFORVHWRWKHFKLPQH\
,QDWWLFDUHDVZKHUHWKLVVKLHOGFDQQRW¿WRULVQRWXVHG\RX
PXVWHQFORVHWKHDWWLFSRUWLRQRIWKHFKLPQH\LQDIUDPHG
HQFORVXUH,IWKHFKLPQH\LVIXOO\HQFORVHGWKURXJKWKHDWWLF
DQDWWLFLQVXODWLRQVKLHOGLVQRWUHTXLUHG,QVWDOOWKHDWWLF
LQVXODWLRQVKLHOGDVIROORZV
5HPRYHDQ\LQVXODWLRQIURPDWWLFÀRRUDURXQGWKHIUDPHG
opening.
$VVHPEOH FKLPQH\ VHFWLRQV XQWLO DW OHDVW LQFKHV RI
FKLPQH\H[WHQGVDERYHWKH¿UHVWRS
6OLSWKHDWWLFLQVXODWLRQVKLHOGRYHUWKHFKLPQH\XQWLOWKH
EDVHVLWVVTXDUHO\RQWKHIUDPHGRSHQLQJ)LJXUH
6HFXUHWKHDWWLFLQVXODWLRQVKLHOGWRWKHWRSRIWKHIUDPHG
RSHQLQJ XVLQJ DW OHDVW WZR SHQQ\ QDLOV RUW ZR
LQZRRGVFUHZVSHUVLGH)LJXUH
:UDSWKHFROODURIWKHDWWLFLQVXODWLRQVKLHOGDURXQGWKH
FKLPQH\DQGIDVWHQLWORRVHO\6OLGHWKHFROODUGRZQWRPHHW
WKHDWWLFLQVXODWLRQVKLHOG7LJKWHQWKHEROWVWRVHFXUHWKH
FROODULQSODFH)LJXUH
Attic
Insulation
Shield
Firestop
Attic
)LJXUH
Attic
Attic Shield
Collar
Firestop
)LJXUH
/,QVWDOO5RRI5DGLDWLRQ6KLHOGV
5RRIUDGLDWLRQVKLHOGVPXVWEHXVHGWRSURYLGHSURWHFWLRQ
IRUURRIRUFKDVHIUDPLQJPHPEHUV
Note:
5RRI UDGLDWLRQ VKLHOGV GR QRW DOORZ IRU D UHGXFHG
FOHDUDQFHWRFRPEXVWLEOHV
&OHDUDQFHWRFRPEXVWLEOHVPXVWEHDPLQLPXPRI´DZD\
IURPWKHFKLPQH\SLSH
,QVWDOOURRIUDGLDWLRQVKLHOGVDWHLWKHUWKHWRSRIWKHFKDVH
RUZKHUHWKHFKLPQH\SHQHWUDWHVWKHURRIZKLFKHYHULV
WKHWRSRIWKHLQVWDOODWLRQ
5RRIUDGLDWLRQVKLHOGVDUHEXLOWZLWKD´DLUJDSVWDQGRII
IURPWKHMRLVWIDFH)LJXUH7KHFRUQHUVRIWKHURRI
UDGLDWLRQ VKLHOGV RYHUODS HDFK RWKHU WR HQVXUH SURSHU
position.
6HFXUHWKHURRIUDGLDWLRQVKLHOGVWRWKHWRSRIWKHIUDPLQJ
PHPEHUVXVLQJVFUHZVRUQDLOVLQWKHFRUQHUV
,IIUDPLQJPHPEHUVDUHIXUWKHUDZD\IURPWKHFKLPQH\
WKDQLQFHQWHUWKHURRIUDGLDWLRQVKLHOGWRWKHFKLPQH\
RQWKHIUDPLQJPHPEHUDQGVHFXUHLQSODFHZLWKVFUHZV
or nails.
(4) Roof
Radiation
Shields
Chase
Enclosure
)LJXUH
0$WWDFK)ODVKLQJ
)RUFKDVHHQFORVXUHVXVHWKH&KDVH7RS)ODVKLQJ7KH
&KDVH7RS)ODVKLQJDOORZVIRUDLQFOHDUDQFHPDLQ
WDLQHGIURPWKHFKLPQH\)LJXUHDQGSURYLGHVUH
TXLUHGYHQWLODWLRQDLU
&KDVH7RS )ODVKLQJV LQFOXGHV &KDVH7RS &ROODUV DQG
6SDFLQJ&OLSVDUHDYDLODEOHIURP\RXU++7GHDOHU
$GGLWLRQDO QRQFRPEXVWLEOH VWUXFWXUDO VXSSRUWV FDQ EH
¿HOGIDEULFDWHGWRKHOSVXSSRUWWKH&KDVH7RS)ODVKLQJ
LIQHHGHGSURYLGHGWKHDLUYHQWLODWLRQUHTXLUHPHQWVDUH
PDLQWDLQHG6HH)LJXUH
,IWKH&KDVH7RS)ODVKLQJLQ[LQGRHVQRWHQVXUH
WKH PLQLPXP LQ VSDFLQJ DQG SHULPHWHU YHQWLODWLRQ
UHTXLUHPHQWVDVVKRZQLQ)LJXUHXVHD&KDVH7RS
&ROODUDQG¿HOGFRQVWUXFWWKHÀDVKLQJDVQHHGHGIRUWKH
FKDVHGLPHQVLRQV6NLSWR
Field-Constructed Chase Top
Flashing
.
+HDWLODWRU%LUPLQJKDP%,55HY-