Chimney & Fireplaces/chimney liner

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Question
We are installing a natural gas/wood burning furnace.  We have a masonry chimney with a terra cotta flue liner.  It is in excellent condition.  Our sweep tells us that we still need a double walled liner installed to be 100% safe.  We do not have allot of money.  Do we really need to do that?

Answer
Brenda,

It may have to do with the size of your existing chimney liner. Both too small and too big can be problem with your new furnace being able to draw. The manufacture of your new furnace will indicate the required flue dimensions but your sweep will know if problems exist with the old liner as well. Good 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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