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T Rug 03 z006 1 : 41PM METRO HOME 952-496-1667 p. l <br /> FEB-13-20�E 15�4B FOA"1 ENTERaR I SES 76�55909�t5 P.01 <br /> ` , <br /> , <br /> � <br /> ` EN�'E�'RlSES L�LLC <br /> I�6�U W11CTfOWL�CtfCIC�1�linceapo?is, MN 5544l-3785•(763)559-32�• fK00)BH�i•�342•FAX i7fi3;,559-Oa4S <br /> 1?03 C�oskpoinc•�[ous�an,"TX 7'1054-37Q7•j713)796-9743 �FAX (733)796-!531) <br /> Intranet: www.foame:�terprises.com•E•mail Address:Foarnent(�ruacrl.com <br /> 'Nodnesday, June 22, 2005 <br /> To Wham It May Con�ern: <br /> Enclos�d pfease find th�water vapor tranamisaion testing of Foam Enterprises' FE 158! <br /> CF 158 materials in accordance with ASTM E96-90. The test report desc�ibes the <br /> average thicknesS and perrr�s on tne three samples tested. This iniorrnaEion is then <br /> used to calculate perrns at any specified thickness, based on the attached letter from Dr. <br /> David Yarbra�gh, which explains the ca�ulationa. 6slow you wi�1 find a chart Ior Qasy <br /> reference in d�td'ntining wnat perm ratine is achieved at each specified thlCkness. You <br /> witl notice that in the table the perms decxease as the thickness increases. The '�ower <br /> the perm, the �ourer,he water vapor transrnlss�on �ate, .. <br /> Ap�lied Th�ckn ss Eauivaient Perms ���� , <br /> ;': Inches 5,98 , <br /> 1 I nch 2.99 � <br /> 1 'lz f►lches �.99 ' <br /> 2 I nche s 1.5fl ' <br /> � 'r�i Inches 1,20 <br /> Inches'" 0.99� <br /> 3 '�z Inches 0.85 <br /> 4 Inches 4.T5 <br /> '=The lntemational Ca�es defines a vapar retarder as having a maxim��m perm ratin� oi <br /> 1.p,when testing in accordance vK!h ASTM E-96. Consult your building otiicial for finat <br /> deteRnination. <br /> Certain applicativns such as eov!er/freezers, poollaauna roams, greernoor►�s, ete. (any <br /> areas with high meisture driving rn a cor,sfstent ane-way direcfion)should NOT uflfire <br /> spray foam systerns only as 8 rapor rstarder end should incorpaate en elfemafe vspor <br /> retardar ln conJunciion with spray toarrt. <br /> . Feel ftee to reach us at 800-888-3342 for any additianal clarificatian. <br /> Sincerety, <br /> Kelly ra enkr � <br /> Inside S es 8� arketing � <br /> Foam �n pri s lLC � <br /> �� <br /> � <br /> � � <br /> �� <br /> � <br /> �' <br /> � <br /> � <br />