Add insulation to the steel and copper doors. Insulation helps decrease exterior noise, reduces operational sound, and improves the appearance of the interior of the door. Copper available in SE2 only.
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Series I - Insulation
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Wind-load rating - 95 MPH*
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Polystyrene insulation with white steel paneled backing
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Fully insulated 2" thick door construction
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*85-110 MPH positive wind-load ratings are based on a 16' x 7' door. Higher wind-loads available.