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Figure 2. 2•layer deteil <br /> FP•421 <br /> �yrc�Vrap�'Glitc" IS Duct insulation <br /> Corou!crcial Kitchcn Grcasc Ducl Sysicm <br /> ASTh1 H 233G SystcnillCC CS ACIOI <br /> L and 2-Ilour Firc-Ratcd I'snclosurc.Shaft N�cm�livc <br /> 'Lcro Clearancc To Combustiblcs <br /> Q <br /> a' msrn�i.nnou nir:rn�ns: <br /> Q �<� , , <br /> ^� ✓�i e a r z 3 <br /> ♦ � � p^ � e <br /> ��.�, _ � <br /> I ' <br /> i •� ��N <br /> I <br /> .� Rultloint-3"Ovcdap <br /> `�r,� <br /> 3 <br /> Le end: � � <br /> 1 FyreWrap°Elilo�1.5�uct Insulatlan,Two Layers y �r �r <br /> (eachi5' totalthickness=3') s ' 3 5 <br /> 2 FilamwiTa e�Tempora :lottl) _.�-,__ �__ - , _-1 = <br /> 3 Carhon orSS Dandin S�ra s Permanent Holtl '�--- -- — "" � � �_' '- <br /> r m�. J . �� . - <br /> 4 3'Minimum Longitutlinal Overla I _Y r�. _� ~�ct ��+' <br /> 5 3'�dinimumTransversoOvcrla h— <br /> 6 1'Com mssetl6NlJoim liWt:oint-Collar 3"Oecdaponalllay.rs <br /> 7 Slcel Han cr Rod <br /> B S�eelAn Ie <br /> g F'widoFyreWrap'Elite�'1.SCollar <br /> Checkerboard Overlap WrapTechnique: Attachment Options <br /> This installalion uses a 3"overlap patlem with both edges Three attachmenl options are available for installers.Choices <br /> of each allemating blanket covered by each adjacent blanket are limited by lhe duct width dimension.Details on each <br /> whose edges are exposed.The overlap joiNs in altemale option aro pmvided below. <br /> layers of blankel resemble a checkcrboard paltem in the Banding Only:For Duct Widlhs 24"or Less <br /> compleled inslallatien.This techn?que is oflen utilized�vhen To temporarily secure Ihe insulation,optional use of filamr,nt <br /> a small section of duct wrep must be repaired. �y�e is permitted.Place carbon steel or slainless sleel bands <br /> Butt Splice with Collar WrapTEchnfque• (min.r"wide,nom.o.ot�^thick) i�"trom each ed�e of each <br /> This wrap lechnique permits installation wilh the blankel second layer blanket ovedap.Piace addilional bands in the <br /> edges 6utted togelher and a 6"wide collar of tlanke�lhat tield area between lhe second layer ovedaps on maximum <br /> is centered over ihe bull splice,overlapping each adjacen! 10��`�"cenlers.Tighten banding lo firmly hold ihe wrap syslem <br /> blanket 3".The collar can be lield fabricated fro�ro FyreWrap in place but not so tighl as to cut cr damage the blanket and <br /> Elite 1.5 Duct Insulation rolls or purchased sepamtely. secure�vith minimum 1" long steel crimp clips.Pins are NOT <br /> required when this banding technique is used. <br /> Vertical Duct Runs BanAing and Pins:For Duct Widths s 49" <br /> For verlical runs,ihe insulation can be applied to the duct in Weld 12-gauge steel insulalion pins lo tho underside of <br /> a conlinuous lenglh applied parallel with the lenglh of the horizontal runs and backside(side of duct having largest <br /> duct as opposed lo wrapping around the ducL All ovedaps dimensions)of vertical runs.Place pins at maximum 12"rows <br /> are to be maintained at a minimum 3°and are to occur a and on maximum 10'4"cenlers.To temporarity secure the <br /> minimum of 6"from any corner of�he ducL The second layer ii�sulation,optional use of tilainent tape is permitted.Impal�� <br /> is lo be cen�ered over the ovedapped seam e(the(irst lay�r. FyreWrap Elile 1S Duct Insula�icn over�he pin,and hnld in <br /> Pins spaced a maximum 8"o.c.are to be placed at ihe <br /> cenlerline of all vertically oriented overlaps. <br /> i � <br /> �:�'v / 1—. -.�1 �7J . _ 4-/' <br /> `s������.�e�Fiel4��� . �.!��!'::� t�'k}��.1 �S.f, „�>w.,,i�ii �,`.u„] �o.tl �l� l_;ylJ �J C.J�\� i <br /> I, <br /> fcim GW95 <br /> E!:ecMo E/tl <br /> ���flllndmYlLLC <br /> h:l P�9nts RewncO <br /> PnreJin USA <br /> _ o�n <br /> _-- .v4�'� d'.�.-; . <br /> -;_ y.��;..�-�...�. �� <br /> -... ';- <br /> � 4 <br />