Metal-Lite UL approvals Metal-Lite (text is clickable) HW-D-0020 HW-D-0021 HW-D-0024 HW-D-0025 HW-D-0027 HW-D-0028 HW-D-0029 HW-D-0031 HW-D-0036 HW-D-0042 HW-D-0043 HW-D-0044 HW-D-0045 HW-D-0046 HW-D-0047 HW-D-0048 HW-D-0049 HW-D-0051 HW-D-0052 HW-D-0062 HW-D-0063 HW-D-0066 HW-D-0067 HW-D-0068 HW-D-0069 HW-D-0071 HW-D-0072 HW-D-0073 HW-D-0076 HW-D-0077 HW-D-0082 HW-D-0083 HW-D-0084 HW-D-0085 HW-D-0087 HW-D-0088 HW-D-0089 HW-D-0099 HW-D-0101 HW-D-0102 HW-D-0103 HW-D-0106 HW-D-0107 HW-D-0108 HW-D-0111 HW-D-0134 HW-D-0136 HW-D-0137 HW-D-0143 HW-D-0162 HW-D-0167 HW-D-0185 HW-D-0186 HW-D-0193 HW-D-0195 HW-D-0208 HW-D-0246 HW-D-0252 HW-D-0260 HW-D-0263 HW-D-0264 HW-D-0267 HW-D-0272 HW-D-0278 HW-D-0280 HW-D-0293 HW-D-0365 HW-D-0404 HW-D-0420 HW-D-0421 HW-D-0453 HW-D-0455 HW-D-0456 HW-D-0461 HW-D-0462 HW-D-0463 HW-D-0475 HW-D-0476 HW-D-0477 HW-D-0480 HW-D-0483 HW-D-0484 HW-D-0486 HW-D-0491 HW-D-0517 HW-D-0526 HW-D-0527 HW-D-0532 HW-D-0541 HW-D-0542 HW-D-0564 HW-D-0569 HW-D-0570 HW-D-0571 HW-D-0572