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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>To All,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I’m about to answer my own question. The ASTM E283 is the maximum allowable air infiltration for a weather tight system. The 0.06 CFM is a not to exceed number. What the vendor will typically write is follow ASTM E283 to make sure the system does not exceed 0.06 CFM of air infiltration. Its testing pressure differences across the building envelope.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>So the answer to my own question is 0.06 CFM is fine.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span lang=DE style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'>PETER HILLERMANN<o:p></o:p></span></b></p><p class=MsoNormal><span lang=DE style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:8.0pt;font-family:"ITC Avant Garde Gothic Demi","serif";color:#1F497D;letter-spacing:1.0pt'><a href="mailto:peterh@westallarchitects.com">peterh@westallarchitects.com</a><o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'><o:p> </o:p></span></p><p class=MsoNormal style='line-height:75%'><b><span lang=DE style='font-size:14.0pt;line-height:75%;font-family:"ITC Avant Garde Std Md","sans-serif";color:#1F497D;letter-spacing:1.0pt'>westall</span></b><span lang=DE style='font-size:14.0pt;line-height:75%;font-family:"Times New Roman","serif";color:#1F497D;letter-spacing:1.0pt'><o:p></o:p></span></p><p class=MsoNormal style='margin-left:4.0pt;line-height:75%'><b><span style='font-size:14.0pt;line-height:75%;font-family:"ITC Avant Garde Std Md","sans-serif";color:#1F497D;letter-spacing:1.0pt'>architects</span></b><span style='font-size:14.0pt;line-height:75%;color:#1F497D;letter-spacing:1.0pt'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'>3404 pierce drive<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'>chamblee, georgia 30341<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'>o 770.458.4113<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'>f 770.458.5352<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'>c 678.898.2936<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";color:#1F497D;letter-spacing:1.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Gothic Demi","serif";color:#1F497D;letter-spacing:1.0pt'>westallarchitects.com</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D;letter-spacing:1.0pt'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><img border=0 width=160 height=87 id="_x0000_i1028" src="cid:image001.jpg@01CBC6E6.0B6FB8C0" alt="Description: e-signature"><img border=0 width=92 height=90 id="_x0000_i1027" src="cid:image005.gif@01CBC6E4.07948C50" alt="Description: USGBC-Logo"><o:p></o:p></span></p></div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Peter Hillermann<br><b>Sent:</b> Monday, February 07, 2011 10:53 AM<br><b>To:</b> equest-users@lists.onebuilding.org; eQUEST-users@onebuilding.org<br><b>Subject:</b> [Equest-users] Storefront and Curtainwall<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>To All,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Does anyone know what a good number of CFM is for air leakage in storefront and curtainwall systems. At the moment I am being told 0.06CFM and as an uneducated window system person I have no idea if that is appropriate. This is tested against a ASTM E 283 at a test pressure of 6.24 psf, which for me might as well have been written TYDOISJLAKHJSDMNKAPOD.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span lang=DE style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";letter-spacing:1.0pt'>PETER HILLERMANN<o:p></o:p></span></b></p><p class=MsoNormal><span lang=DE style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";letter-spacing:1.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:8.0pt;font-family:"ITC Avant Garde Gothic Demi","serif";letter-spacing:1.0pt'><a href="mailto:peterh@westallarchitects.com">peterh@westallarchitects.com</a><o:p></o:p></span></p><p class=MsoNormal><span lang=DE style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";letter-spacing:1.0pt'><o:p> </o:p></span></p><p class=MsoNormal style='line-height:75%'><b><span lang=DE style='font-size:14.0pt;line-height:75%;font-family:"ITC Avant Garde Std Md","sans-serif";letter-spacing:1.0pt'>westall</span></b><span lang=DE style='font-size:14.0pt;line-height:75%;font-family:"Times New Roman","serif";letter-spacing:1.0pt'><o:p></o:p></span></p><p class=MsoNormal style='margin-left:4.0pt;line-height:75%'><b><span style='font-size:14.0pt;line-height:75%;font-family:"ITC Avant Garde Std Md","sans-serif";letter-spacing:1.0pt'>architects</span></b><span style='font-size:14.0pt;line-height:75%;letter-spacing:1.0pt'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";letter-spacing:1.0pt'>3404 pierce drive<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";letter-spacing:1.0pt'>chamblee, georgia 30341<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";letter-spacing:1.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";letter-spacing:1.0pt'>o 770.458.4113<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";letter-spacing:1.0pt'>f 770.458.5352<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";letter-spacing:1.0pt'>c 678.898.2936<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Std Bk","sans-serif";letter-spacing:1.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"ITC Avant Garde Gothic Demi","serif";letter-spacing:1.0pt'>westallarchitects.com</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";letter-spacing:1.0pt'><o:p></o:p></span></p><p class=MsoNormal><img border=0 width=160 height=87 id="Picture_x0020_1" src="cid:image006.jpg@01CBC6E4.07948C50" alt="Description: e-signature"><img border=0 width=92 height=90 id="Picture_x0020_2" src="cid:image005.gif@01CBC6E4.07948C50" alt="Description: USGBC-Logo"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>