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t;: , <br />�r::. <br />;:; <br />k': <br />4' <br />CEILINGS — <br />Vault• <br />Ia vaul , fibe la�• batts are <br />insula :m dapth is difficult to <br />in�u tions �ay uted. <br />u�ed Hhxre <br />, th high E <br />I�iulation in va�slta must be entilated , <br />This caa be a ohalie\ge i eome typee of <br />styles. Refer to Itm 5, Ventilation in <br />� / <br />rig3d <br />tely er the top. ' � <br />, a h as hip or Dutch <br />ction. n <br />Aote tLat �od usually require a lover per��rating on the ceil#ng <br />vapor retla"rdez' in a vaultad ceiling�/usually 0.5. (The co � see� to <br />caviti%. ) <br />that <br />te� vapor in potantial <br />I� foil-backed bat�s/ <br />eqaire that Chey be/fa <br />ce�ling dryvall c ot <br />e�s used as an ir-va <br />In each oase, ryvall <br />2. ATTIC CBILING CONSTROCTION <br />poorly ventilated vaplt <br />used, �he Super Good Cent � <br />etapled to the raf;[nr�. �io <br />faste cd vith a/dhe�ives.l If <br />barr r, adhes�vea are al�o <br />screvs <br />e. r�,. ne.san. , <br />i, x.i..a a.a <br />To achieve full oeiling ineulation value out to the outside of <br />the vallt, the cailing tru�s can be •lightly aodified to r+�i�e <br />the top chord vhere it passea over the vall. Thi� ia lmovn as <br />tha raised heel or "Energy True�" (Detail G in the folloving �et <br />of figures). The raioed heel truse can be designed and fini�hed <br />vith a soffited eave. or to leave ezpo�ed rafter trails, as the <br />builder prefers. Trus• manufacturers may add a charge for <br />rede�iga in pricing theee tru�cce. <br />�.....r...,..�� 4-98 <br />,:,.,�;..,..<. ,:. ., :. - <br />L � <br />� <br />� <br />