Building Code and Building Construction - Questions and Answers
Or when you want to know how construction is supposed to be done.

|
AskCodeMan.com
|
The following Codemen are available to answer your questions:
All Codes and Standards - Jerry Peck, Codeman


Q&A Board links
  • REGISTER

  • FAQ

  • LOGIN

  • Q&A BOARD INDEX

  • View New Questions

  • View Unanswered Questions

  • View Active Questions/Answers

  • Mark Questions as read

  • View Your Questions

  • Go To Your User Control Panel




  • Links to:
  • Construction Litigation Consultants


  • Florida Building Commission

  • Florida Building Codes Online


  • International Code Council

  • ICC Codes Free Online


  • Building Officials and Administrators of Florida




  • Product Approvals
  • Florida Product Approval

  • ICC Evaluation Reports Search

  • Miami-Dade NOA Search




  • Inspector and Contractor License Search
  • Search Florida Licenses




  • Technical links
  • Technical Information page


























































  • Contact Codeman



  • Custom Search

    Clearence Reduction NFPA 211

    Clearence Reduction NFPA 211

    New postby mtCDCcb on Mon Oct 05, 2015 1:23 pm

    We have a proposal to install a new EPA phase II qualified fireplace but the manufacturer requires a 24" clearance from the side of the fuel loading door to a sidewall. They are proposing 3.5" masonry wall with an 1" air gap in an attempt to reduce the clearance requirement. My understanding is that NFPA 12.6.2 would allow this clearance requirement to be reduced to not less than 12". Would you concur is there more to it that I am missing? Thanks.
    mtCDCcb
     
    Posts: 77
    Joined: Thu May 26, 2011 11:59 am

    Re: Clearence Reduction NFPA 211

    New postby Jerry Peck - Codeman on Sat Oct 10, 2015 9:39 pm

    After reviewing NFPA 211 and 12.6.2, I would say that you are correct.

    FIGURE 12.6.2.1(e) Wall Protection Using Materials in Table 12.6.2.1. shows that Material (b) and Materials (c) through (h) could be used to get to the 12" minimum clearance - however, looking back at Table 12.6.2.1 shows that Material (b) requires a minimum clearance of 18" ... which seems to be a conflict within NFPA 211, at least as I am reading it.

    Thus using Materials (c) through (h) would solve that conflict as those materials meet a more restrictive requirement, and whenever there is a conflict, the most restrictive takes precedence.

    Material:

    (c) 0.024-in. (0.61-mm), 24-gauge sheet metal over 1-in. (25.4-mm) glass fiber or mineral wool batts reinforced with wire, or equivalent, on rear face with ventilated air space

    (d) 31⁄2 in. (90 mm) thick masonry wall with ventilated air space

    (e) 0.024-in. (0.61-mm), 24-gauge sheet metal with ventilated air space

    (f) 1⁄2 in. (13 mm) thick noncombustible insulation board with ventilated air space

    (g) 0.024-in. (0.61-mm), 24-gauge sheet metal with ventilated air space over 0.024-in. (0.61-mm), 24-gauge sheet metal with ventilated air space

    (h) 1-in. (25.4-mm) glass fiber or mineral wool batts sandwiched between two sheets 0.024-in. (0.61-mm), 24-gauge sheet metal with ventilated air space
    Jerry Peck - CodeMan
    AskCodeMan.com

    Construction and Litigation Consultant
    Construction Litigation Consultants, LLC.
    ConstructionLitigationConsultants.com
    User avatar
    Jerry Peck - Codeman
    Site Admin
     
    Posts: 1039
    Joined: Fri Dec 12, 2008 12:06 pm


    Return to Fireplaces and Chimneys: masonry fireplaces, factory built fireplaces, wood burning fireplaces, gas fireplaces, solid fuel burning stoves & inserts, combustion air, chimneys



    Who is online

    Users browsing this forum: No registered users and 2 guests



    www.AskCodeMan.com
    cron