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Single
Layer (Pan Door) 2 inch thick Non Insulated, Hollow
with no Insulation Value
Double
Layer (Vinyl Back) 2 inch thick Insulated door, with
CFC Free expanded polystyrene with a high impact plastic back cover.
(R Value of 6.8)
Triple Layer (Steel
Sandwich) 1 3/8 or 2 inch thick Steel back Insulated door, with either
a laid in place polystyrene or injected polyurethane insulation
ranging in R Value from 6.5 - 15.6
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