<div dir="ltr"><div dir="ltr"><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">One downside to this is that you are now potentially in a utility room rather than a garage, and the capacity limit per NFPA might be 40 kWh rather than 80 kWh.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">I have yet to see an AHJ require an entire room/garage to be fireproofed, but I am sure they would if they were clued in.</div><br clear="all"></div><div><div dir="ltr" class="gmail_signature"><div dir="ltr"><br>Jason Szumlanski<div><span style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px">Principal Solar Designer | Florida Solar Design Group</span><br style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px">NABCEP Certified Solar Professional (PVIP)</span><br style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px">Florida State Certified Solar Contractor CVC56956</span></div><div><font color="#333333" face="Roboto, RobotoDraft, Helvetica, Arial, sans-serif">Florida Certified Electrical Contractor EC13013208</font></div></div></div></div><br></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Sat, Jun 7, 2025 at 12:01 AM Vince McClellan via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto"><div>One option to meet this code section is to build a battery room inside of a basement or other utility space with the proper fire rating.  It's not an inexpensive option, but it's often less expensive than drywalling the intire basement ceiling. </div><div dir="auto"><br></div><div dir="auto">And, as always, check with your AHJ before you move forward to ensure they'll pass the inspection on what you plan on building. </div><div dir="auto"><br></div><div dir="auto"><br></div><div><br></div><div><div dir="ltr"><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#500050" face="Georgia"><span style="font-size:14.6667px">Vince McClellan</span></font></p><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#500050" face="Georgia"><span style="font-size:14.6667px">President</span></font></p><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#500050" face="Georgia"><span style="font-size:14.6667px">NABCEP PV Professional</span></font></p><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#500050" face="Georgia"><span style="font-size:14.6667px">p: 541-485-8122</span></font></p><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#500050" face="Georgia"><span style="font-size:14.6667px">a: 860 Conger St. Suite 12,. Eugene, OR 97402</span></font></p><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#500050" face="Georgia"><span style="font-size:14.6667px">e: <a href="mailto:vince@solarenergydesgin.com" target="_blank">vince@solarenergydesign.com</a></span></font></p><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#500050" face="Georgia"><span style="font-size:14.6667px">w: SolarEnergyDesign.com</span></font></p><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#500050" face="Georgia"><span style="font-size:14.6667px">CCB# 161672</span></font></p><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#500050" face="Georgia"><span style="font-size:14.6667px"><img width="200" height="88" src="https://ci3.googleusercontent.com/mail-sig/AIorK4wNFpfmapud31CzTAa2-q4a_jL8YsH9QScHfldYcIjPwCdbqYEkurnjBwJ40b4YsFEZdD_8h3mD7Y3X"><br></span></font></p><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font color="#500050" face="Georgia"><span style="font-size:14.6667px"><br></span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="background-color:transparent;color:rgb(80,0,80);font-family:Arial;font-size:11pt">If you have received this email and are not the intended recipient, please delete this email. Copying or using any part, content, or attachment of this email is strictly prohibited.</span><br></p><div><span style="background-color:transparent;color:rgb(80,0,80);font-family:Arial;font-size:11pt"><br></span></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jun 6, 2025, 11:12 AM Dave Angelini Offgrid Solar via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="font-size:12pt;font-family:Verdana,Geneva,sans-serif">
<div id="m_-1993777096389329132m_-8631744793725023463signature">Any thoughts from me would be not to have large batteries, unless detached from the living space. </div>
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<div>There is a ship out burning full of electric cars in the Pacific today. This is the 4th ship full of battery cars that I know of that has burned.</div>
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<div><a href="https://gcaptain.com/coast-guard-overflight-footage-reveals-fire-spreading-on-morning-midas-car-carrier-off-alaska-coast/" rel="noreferrer" target="_blank">https://gcaptain.com/coast-guard-overflight-footage-reveals-fire-spreading-on-morning-midas-car-carrier-off-alaska-coast/</a></div>
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<pre><strong><span style="font-size:small">Dave Angelini Offgrid Solar
"we go where powerlines don't"
<a href="http://members.sti.net/offgridsolar/" rel="noopener noreferrer" target="_blank">  </a><a style="color:blue;font-size:11px;font-family:"Lucida Grande",Verdana,Arial,Helvetica,sans-serif;font-weight:400;background-color:rgb(255,255,255)" href="https://offgridsolar1.com/" rel="noopener noreferrer noreferrer" target="_blank"><span style="font-size:12pt">https://offgridsolar1.com/</span></a><a href="http://members.sti.net/offgridsolar/" rel="noopener noreferrer" target="_blank"> </a>
e-mail  <a href="mailto:offgridsolar@sti.net" rel="noreferrer" target="_blank">offgridsolar@sti.net</a>
text 209 813 0060</span></strong></pre>
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<p id="m_-1993777096389329132m_-8631744793725023463reply-intro">On 2025-06-06 6:17 am, Nicholas Ponzio via RE-wrenches wrote:</p>
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<div>For those of you installing batteries inside homes how are you treating this poorly-worded section of Code? </div>
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<div><strong>NFPA 855 - 15.4.2:</strong></div>
<div><em>If the room or space where the ESS is to be installed is not finished or non-combustible, the walls and ceilings of the room or space shall be protected with not less than 5/8 in. Type X gypsum board.</em></div>
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<div dir="auto">This section of fire code has given us much consternation over the years. Most installations in this climate are going into unfinished basements. Are you all installing 5/8 sheetrock for the entire basement? Just the area around the batteries? Something else?</div>
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<div>Thanks in advance for any thoughts.</div>
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<div dir="ltr">Nicholas Ponzio <br>Building Energy<br><a href="https://www.google.com/maps/search/1570+South+Brownell+Road+Williston,+VT+05495?entry=gmail&source=g" target="_blank">1570 South Brownell Road</a><br><a href="https://www.google.com/maps/search/1570+South+Brownell+Road+Williston,+VT+05495?entry=gmail&source=g" target="_blank">Williston, VT 05495</a></div>
<div dir="ltr"><a style="color:rgb(17,85,204)" href="http://www.buildingenergyvt.com/" rel="noopener noreferrer noreferrer" target="_blank">http://www.BuildingEnergyVT.com</a></div>
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<div dir="ltr"><span style="font-size:12.8px">"Building Solutions for a Sustainable Future"</span></div>
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