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STEP 4: When the tireplace is mstalled upon a combustible floor <br />a galvanimd shce[ embcr protector must be installed behveen thc <br />fireplace and the hcarth extension as illusvated in FIG. 13. <br />STEP 5: Secure the tireplace to the traming through the flanges <br />locaced on the sides an the fireplace with 8 penny nails. <br />NOTE: The 3/4" clearance is not rcyuired at the nailin� flange <br />(SEE FIG. 1�3�. <br />ASSEMBLING .�►ND INSTALLING <br />YOUR [?OUB:�-WALL CHIMNEY <br />SYSTEM <br />Each double wall chimney section consisu of an ouier pipe, Ilue <br />pipe ancl one wi re spacer. The pipe sections are nut wiitized and <br />must be assembled uidependently as thc chimnuy is installed. <br />When starting the chimney directly on the fiieplace, the tlue pipe <br />section must be installed lirst, with the hrmmed end down. The <br />uuter pipe uetion tan then be installed over the flue pipe section <br />�•ith Ihe hemrned end up. (SEE FIG. 3AI <br />Press down on each pipe :ection until the Wnces on ihe lower end <br />securely engage the knurl on the fireplace s[artiny collar. The <br />wire spacer will assure thc proper spaCing belwcen Ihe mner and <br />outer pipe sections. <br />WARNING: THE OPENINGS IN TNE COLL4R AROUND i H[ <br />BASE �F THE CHIMNEY AT THE TOP OF THE FIREPLACE <br />MUST NOT E3E OBSTRUCTED. NEVER USE BLOWN INSUL� <br />ATION TO F=1LL THG CHI�tiWGY ENCLOSURF.ISGE FIG.38) <br />Continue to assemble chimney sections as ouUined above, making <br />sure tha', Luth inner and outcr pipc sections arc locked togethcr. <br />When installing double wall "snap lock" chimney together, it is <br />important to asswe the joint br[ween the chimney sections are <br />loeked. Check by pu!ling chimney upwarcl a(ter locking. The <br />chimney v�ill not come apart if properly locked. It is not nee <br />essary to add screws to kcep the chimney together. <br />LINEIILGAIN: TME ACTUAL <br />MEASVRABLE LENGTH OF A LINEAL GAIN <br />PART AF7ER TWOOF �tORE <br />i�RTSARECONNECTED. <br />12 i/t GALVANI2ED PNOT DESCRIPTION G NIN <br />OUTER VIPE — -- <br />36[C � FIREPLACE � �0 <br />2•�DM I P�PE SECTION I �O S/B <br />1!•B�M � PIPE SECTION � 16 S/� <br />ED Iz4•��Mi PIPE SECTION I 37 S�B <br />END �'T—�- <br />-��� � f I]6•lOMI PIPE SECTION I 76 S/B <br />PIPE SECTION � <6 S/! <br />t _—` <br />ROUND <br />� �N RTNDM TERMINATION 6 <br />STAINLE55 <br />INNEF PIPE �HASE <br />F�G.3A I ETe�M TEqMINATION � TO 12 <br />FIRESTOP SPACERS: <br />Firestop spacers are required at each point where the chimney <br />penetrates a floor or ceiling joist space. Their aurpose is two <br />told, they establish and maintain the required clearance be�ween <br />the chimney and combustible materials. <br />FIREPLACE <br />COLLAH <br />FIG. 3B <br />KEEP THIS <br />AREA OPEN <br />FIG. 4 <br />.p. <br />FIG. 5 <br />They also provide complete separation from one floor space to <br />another floor or at[ic space as required by must codes. When <br />penetratin9 a floor or ceiling at an angle, PART 30 FS�BDM fire• <br />stopshould be used. <br />When the double wall pipe passes through a framed opening into <br />an at�ic space, the firesiop must be placed into the attic floor as <br />in FIG.4. <br />When the pipe pazses Ihrough a framed opening into a livirg <br />space above, the firestop must be placed onto lhe ceiling from <br />bclo�v as in FIG. 5. <br />SUPPORT SECTIONS: <br />Th: chimney support section is a 4 strap 12" length of pipe. A <br />chimney suppor[ is required every 30 feet above the fireplace <br />after a straight chimney run, or above a return elbow after a <br />straight chimney run�PlG. 6L This support is designed to relieve <br />the extra weight load on thc fireplace and elbows when high <br />chimneys are installed. <br />125 8DM <br />SUPPORT � <br />� II. <br />0 <br />a <br />FIG. 8 <br />12S•BDM <br />SUPPORT <br />JO lt. <br />RETURN <br />ELBON� <br />