Tony, Ask for the spec sheet and lab report on the material, the truth lies within. Mineral Wool, i.e. thermafiber and roxul are common non combustible. Watch the details the code requires non combustible not fire retardent. Cellulose Blown-In Insulation is a wood fiber based fire-retardant but not non combustible.
Also some fiberglass insulation, i.e. no kraft facing and no plastic reinforcement stranding is also non combustible. Had a project a few years back that used the infill technique to avoid suppression in concealed combustible spaces. The inspection included selected borings through the sub floor to assure proper fill. Hope that helps John Drucker Jr CET Fire Protection Subcode Official Fire/Building/Electrical Inspector Borough of Red Bank, NJ -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of A.P.Silva Sent: Wednesday, April 21, 2010 1:11 PM To: [email protected] Subject: Cellulose Fibre Insulation I have a 14" deep open web wood truss floor space filled with "blown Cellufibre sound attenuation insulation". Anyone know whether this insulation is "non-combustible" complying with a combustible concealed space permitted by NFPA to be unsprinklered? They claim the insulation is fire retardant. But I'm not sure. Tony _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field) CONFIDENTIAL AND PROPRIETARY: This email message is intended only for the use of the individual or entity to which it is addressed and may contain information that is privileged and confidential, nor is it, unless specifically stated, intended to be relied upon by any person or persons other than the individual or entity named above and no warranties or representations are made or intended to persons or entities not named above. If the reader is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by telephone, return this message to the address above and delete all copies. Thank you. _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
