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<br /> WINTER OFSIGN TEMPEHATURf S
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<br /> , . I '� Manknro V :,nn �25` . .
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<br /> � Rahes�er -i 1 r�.�nai fells �29'
<br /> . . . AIM!q lea -17 • '31�
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<br /> � ,� . a��insume.iti ioni��Ye tan � �..r.�, . . . � . � . � , . , � �
<br /> ,�:uN�o1m mOnn(N F1CTIa11r flelluldhun Hul�'PJ�i d1iU sp�H.i'n�s�hdt dll piudW.lti br iJiCtl dl 7',� I medn Ir�n(ir�d!We
<br /> :,nhnugh ihe implace peilunnancr.ol insulauon niatr.rinis mny vary due to���stalla�inn quality.t�mpeiature dilleience.Iraming or o�hei lactors,fihrous insu6u���
<br /> i��,�rlurmanr,e qenr.rally nnpmves as atl�cs get coldei Noweve.at erueme cold�empe�alures.lhe perlom�ance IR-valuel of libei glass insulatmn prudu�!s may si.+n
<br /> ��.�dedine helow ihe Ia6eleA value This is Aue m the phenomenon ol convecnon m ihe attic causing slighi an movemem thiough porous caviPes within msuL�t�ne
<br /> ���,itr.nals The e�treme temperatures ot which Ihis ellect ocr.ms vanes wdh pinduct type ai�:menutacturer.for mstence,liber glass batt i.sula�ion dces nm r�i�d�a
<br /> � luss ol R�value at�emperatwes nonnally seen anVwhere in ihe UnaeA States .
<br /> h�nwn loose�lill insulalion p�oAucts are morp suscepU6le to�onver.tion than balls 6ecause the random onenlalion ol Ihe fibeis provides less resistence in an �a�;•,
<br /> la�s�ute this,nnly a lew areas wdhin the Unded States reach sustamed temperaWres culd enou�h Io cause concern All lonse�fill products pe�torm ddfe�enin
<br /> ��d,ns Manville has eKtensively�ested w�atuc insulalion pmducts at e�IrEme cold temperatmes
<br /> , ' i.;qd latl'fqunp,5.ln i�u.J iP.�.nt InnAurl bi D��dr;.�JnY�11n pn��.dP dti ti!dir�l P �dlqr d�Y.�nIPt i4�silV�b�p(Irrd!i;'HS ThP.ChBf�hE�OW ShnW'.Ily�d�L10-�,�.i
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<br /> A�OITIONAI CLIMATE PRO NEEUEO TO ATTAIN R-VAIUE IN EI(TPEMEIV COlO TEMPERATUNES
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<br /> Tm�pnn�un .. ._ � EsInO�Pl�lea�ee . F�tnB�9fpa�t000�yh E�tnO�plhlnche� f�u�8qep�i1000�91i
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<br /> TemparUum E��nDa��hlncnn E��nB�qtpo1�00�q11 f�b�D�plhlnchn F�u�B�y�per1000�q1t
<br /> W11qT YOU SHOULD KNOW I180UT R�VALUES
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<br /> Inaulation Systems
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