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� <br />3 ; "ti ' I •: ��.: ��Fae�� r�.; <br />, , -. <br />��ASSEMBUNO AND INSTALL. � , <br />YYOUR bOUBLE-WALL CHIMNEY • � <br />�SYSTEAA � ' <br />� <br />�, �i . <br />, Each double wall chimney section consists of an �outer pipe, flue <br />r .. <br />pipe, and o�ie wire spacer , The pipe sections are not unitized and � <br />must be assembled independently�as the chimney is instailed.� <br />; When starting the chimney directly on the fireplace, the flue pipe � <br />rsectior must be installed first, with the hemmed end down. The �:- <br />outer pipe section ��an then be installed cver the fl ue pipe section <br />with the hemmed end up , ��� ��� : �., � �-� • � � �,: � �. . � � <br />Prett down on each pipe section until the lances on the lower end <br />��_ securely engage the� knurl on the fireplace starting collar. � The � <br />wir� spacer will assure the proper ipacing between the inner and <br />outer pipe sections, (SFF FIG. 3). " � • � � � � � � � <br />WARNING: THE OPENINGS IN THE COLLAR AROUND THE <br />BASE OF THE CHIMNEY AT THE TOP OF THE FIREPLACE <br />MUST NOT BE 08STRUCTED. NEVER USE BLOWN INSUL- <br />ATION TO FILL THE CHIMNEY ENCLOSURE. � . _� <br />Conti nue to asiemble chimney sections as outlined above, maki�g . - � <br />�sure that both inner and outer pipe sections are locked together. � <br />V:hen installing doubie wall "snap iock" chimney together, it is � <br />important to assure the joint between the chimney sections are <br />locked. Check by pullin� chimrzy upward after locking. The <br />chimney will not come apart if properly locked. j is no; nec- <br />essarv to add screva to keev .he chimnev tooether. � <br />�- _ <br />I.INEAL GAIN: THE - ACTUAL <br />MEASURABLE LENGTN OF A <br />PART AFTER TWO OR MORE <br />PARTS ARE CONNECTED. <br />7= �/� CqLVAN12EC <br />OUTER PIPE <br />END <br />I t IN. <br />STAINLE55 <br />INNER iIPE <br />PIG.3 � <br />� � LINEAL GAIN - <br />PNOT DESCRIPTION G NIN <br />76E FIREPLACE 10 <br />12•tOM PIVE SEGTION 10 5/� <br />t�•YOM PIPE SECTION 16 5/� <br />2�•BDM PIPE SECTION 27 5/! <br />�6-!DM :'IPE SELTION ]� 5/B <br />•!•tOM PIPE SECTION /6 5/t <br />ROUND <br />RT•tD TERMINAT�ON 6 <br />CHASE <br />ET•!C TERMINATION � TO <br />FIRESTOP SPACERS: � - � <br />Firestop spacers are required at each point where the chimney <br />penetrates a floor or ceiling joist space. Their purpose is two <br />fold, they establish and maintain the required clearance between <br />the chimney and combusi�ble materiais � <br />They aiso provide complete separation from one floor space to <br />another floor or attic �?ace as required by most codes. Whr.n <br />penetrating a floor or cei�ing at an ar�gle, PART 30 FS•BDM fire- <br />stop should be used. � <br />�hen the double wall pipe passes through a framed opening into <br />en at:ic space, the tirestoN must be pla�ed into the attic tloor as <br />in FIG.4. <br />.Z. <br />� � � ik:... :. -.�: - ... <br />(ll.,(O Ns � �S«% '-' . - <br />v t �� i = <br />,;.-. , _ <br />. 1 <br />'i• � \ <br />"r \ <br />FIG. 4 <br />T: <br />,. � <br />�1'- � <br />r rc{'. <br />\,." ' <br />Whed the pipe passes through a framed opening into a living <br />space above, the firestop must be placed onto the ceiling from <br />belowas in PIG.5. � . . _. � ��' �'; � � <br />FIG <br />SUPPORT SECTIONS. � � _ - <br />The chimney support sectioi� is a 4 strap 12" ler.gth of pipe. A <br />chimney support is required every 30 feet a6ove the fireplace <br />after a straight chimney run, or above a return elbow after a <br />straight chimney run (FIG. 6�. This support is designed to relieve <br />the extra weigh[ load on the fireplace and elbows when high <br />chimneys are installed. � � <br />12SBDM <br />SUPPORT � <br />30 1t. <br />I .. <br />O <br />Io <br />FIG. 6 <br />125�BDM <br />SUPPORT <br />30 h. <br />L <br />RETU <br />ELBO <br />