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ChePter 13 ■ Building Enve/ope 1994 NonresidenHal Manual <br /> /�--� . <br /> � <br /> i� <br /> �' H�y� Unheated <br /> Formonolithlcalabeztend�neu4tbnW I � ' <br /> botwmo}tooting.���, ` �y <br /> � � � <br /> � <br /> \ � <br /> � <br /> Manollthk 64b--� <br /> H���{ Unheated � <br /> � If Insu4Uon ie IneLalMd Insids foundatb^w+�� <br /> `` ''�"�'�: '` � ..�. �.��-; thedepthofinsu4tbnmustbe ths4eserof <br /> �r 24"vertAul orthedleuncefromWpofslab <br /> `Z�. to wpoffooUng. <br /> � <br /> Heated Unheated <br /> Protect Enpae <br /> �Insulatlon <br /> I}Ineulatbn i�Inetalbd outsWs foundatbn <br /> wallthedepthafinsu4tbnmu�tbs Lhe ky�`C <br /> greaterof 24"verCiwl orthadlsLanutrom '.�� <br /> upofs46ufiosdiro. . /, <br /> . � <br /> T\� <br /> i � <br /> \ `�'� <br /> Figure—Slab-on-Grade Fi'oors <br /> Radiant Floor Inaulatfon—•NREC §1311.6 <br /> A radiant Floor is a slab containing hot water ducts, pipes, or eledric <br /> resistance heating elements. Radiant Floors oRen have higher heat loss <br /> than unheated, slab-on-grade counterparts, so insulation requirements <br /> are greater. <br /> ftequirements 1. The insulaticn must extend downward 36"from the <br /> top of the slab in either of two ways: <br /> ■ 36"verti�:ally down irom the top of the slab <br /> ■ Vertical a,�d horizontal for a total developed <br /> length of 35" <br /> �/U <br /> 13-17 <br /> March 1995 <br />