Director's Advisory FS-052-04
- Tuesday, September 18 2007 @ 01:36 am UTC
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Director's Advisory FS-052-04 - Existing B-Vent Not Certified for Exterior Applications. 
*Click image to enlarge.
See Director's Order FS-051-04
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Director's Advisory FS-052-04 - Existing B-Vent Not Certified for Exterior Applications.
*Click image to enlarge.
See Director's Order FS-051-04
