Marshfield DoorSystems

Signature Series Mineral Core (90-Minute)

Flush architectural wood door, non-combustible mineral core with laminated wood edge bands, 90-minute UL/WH positive-pressure label, rotary natural birch veneer, unfinished. Single leaf 3'-0" x 7'-0" x 1-3/4".

Manufacturer	Marshfield DoorSystems
Model / series	Signature Series Mineral Core (90-Minute)
Category	Doors
Fire rating	—
Gauge	—
Finish (base)	—
Function	—
Installation Instructions	Download ↗
Spec Sheet	Download ↗
Warranty	Download ↗

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ⓘ This is a Request-for-Quote item. Pricing on commercial DFH depends on final sizes, quantities, fire label and hardware prep — our estimators confirm price and lead time on your quote. No payment is taken here.