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 | 600 SERIES PREMIUM 20 GAUGE, HEAVY DUTY 24 GAUGE,
STANDARD DUTY 25 GAUGE RIBBED. HEAVY DUTY 24 GAUGE RAISED PANEL STEEL DOORS | | |
 | 3000 SERIES 2"&3" INSULATED THERMALLY BROKEN STEEL DOORS. These high quality doors provide the durability of a premium duty 20 gauge or heavy 24 gauge exterior steel skin in an energy efficient door system. | | |
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