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Chimney & Fireplaces/venting a pellet insert

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Expert: - 3/16/2010


Question
hello sir,

could  you  please  tell  me  if  it  is  safe  to  run  ss flex  5  feet  up  exsisting  flue  and  not  all  the  way  to  the  roof.the  store  that  sold  me  the  stove  said  i  could  attach flex  to  stove  and use  a  flue  plate  with 5  feet  of  flex  into  flue,this  would  be  fine   thank  you

Answer
John,

NFPA-211 addresses this this type of installation as acceptable for a wood stove, but a direct connect to the top of the flue is far better. The pellet install you describe requires installation to be done according to the manufacture specs. check with them and you will find a full liner is most likely required. Not to mention as your new stove requires annual service, the install will require removal or flammable creosote will fall between the liner and chimney. Go with the liner all the way to the top and don't for get the required level II inspection before the install. Fell free to use the links at the bottom of my home page at www.brooks-hearth.com to find an inspector, a sweep, and in installer. you may find one that does it all. Best of luck.

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Randy Brooks

Expertise

Inspection of Masonry, Pre-cast Tilt-up, and Factory Built Fireplaces as well as Free Standing & Insert, Gas, and Wood Appliances. We also provide Hearth Fire Loss Investigations, Litigation Support, Consulting Services, Flue Sweeping, Installation and Repair. Additionally, I’ve been a chimney sweep for 23 years, service and install hearth appliances as well as being recognized by the Superior Court of California as an expert witness.

Experience

Brooks Chimney Sweeping Since 1989 Ojai, CA Owner / President www.brooks-hearth.com

Organizations
NCSG, MEMBER,(National Chimney Sweep Guild), Member since 1990, Board of Directors representing Region 6, (CA, NV, AZ, UT, OR, WA, ID, WY, MT, AK and HI,) 2004-2011, ethics committee chair, 2004-2005, executive committee member, Vice President, 2006-2008, President, 2008-2011. CSIA, BOD (Chimney Safety Institute of America,) Board of Directors, ethics committee chair, 2004-2005, executive committee member, Secretary, 2005-2006, Vice President, 2006-2008, President, 2008-2011. HPBA, MEMBER, (Hearth, Patio, & BBQ Association,) since 2002. NFPA Member, (National Fire Protection Association) Since 2009. Technical Committee member for the 211 Standard.

Education/Credentials
California State Licensed Contractor, C61-D34, #750710. http://www2.cslb.ca.gov C.S.I.A., (Chimney Safety Institute of America,) Certified Chimney Sweep, #2580. Held since 1990 re-certified in ‘93, ‘96, ‘99, ‘02, ‘05, '08,'11. http://www.csia.org F.I.R.E. (Fireplace Investigation, Research & Education Service,) Certified Inspector, #FP-006. Held since 2000, re-certified in ’03, ‘06. http://www.f-i-r-e-service.com Fireplace Investigation, Research & Education Service,) Advance Expert Consulting & Witness, certificate, ’05 N.F.I. (National Fireplace Institute,) Certified Gas & Wood-Burning Specialist, #133851. Held since 2002, re-certified in '05,‘08. http://nficertified.org

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