Clopay’s best, the Premium Series offers a choice of different looks in a three layer door. Two layers of steel encase an expanded polystyrene insulation providing a full two-inch thick construction, making this series of doors among the strongest and safest available anywhere, and, with Clopay’s 9.0 R-values, these doors offer exceptional insulating performance. Clopay is the only garage door manufacturer to have earned the Good Housekeeping Seal of Approval. Call or email us today to discuss your particular requirements. And of course, we can provide you with just the right electric operator to make this the last door system you buy.