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• Steel sectional doors from SDI are an attractive solution where strength and insulation are required.

• Integral horizontal reinforcing ribbing and ship lap section seals are only two of the standard features that set them apart from other doors available on the market today.

• Very rigid, energy saving and long-lasting door system with high strength to weight ratio.

• Utilizing the latest in polyurethane technology, we’ve attained the highest ‘R’ value per inch of all competitive insulation, as well as providing superior foam to steel adhesion and structural integrity.

• Heavy duty construction assures years of trouble free performance.

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