mineral board core

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Mineral Board, T-Series, tempature rise
Door cores are available as follows: L-Series SL-Series and A14-Series Doors: Honeycomb core is standard Polystyrene core is optional Polyurethane core is optional CE-Serie...
Honeycomb, Polystyrene, Polyurethane, Mineral Board ; L-Series, SL-Series T-Series, CE-Series,
Insulation, Fiber Glass
Transom panels are available in the following constructions: 1 3/4" thick panels with interior construction similar to an L-Series door installed into a frame either Without a transom bar - r...