Approved GreenFiber UL #s
U S GREENFIBER L L C
GreenFiber stabilized cellulose insulation for use in Design Nos.
L521, P522, U023, U032, U036, U040, U305, U307, U309, U311, U317, U321, U326, U330, U331, U333, U338, U339, U340, U341, U342, U344, U354, U355, U356, U403, U411, U412, U420, U425, U426, U428, U429, U434, U435, U436, U438, U440, U456, U460, U462, U463, U465, U466, U467, U469, U470, U471, U477, U478, U495, U498, U499, U526, U528, U603, U611, U614, U618, U622, U646, U647, U648, U649, U651, V401, V410, V414, V415, V416, V421.
See the UL Online Certifications Directory for the Fire Resistive Assemblies and Systems at www.ul.com and search the specific design number cited above.