Made to order
SIERRA DUB AC
From $3,660.00
Base model price. Dimensions, finishes and accessories are priced in the configurator.
Production takes 5 weeks
This prehung stainless steel entry door features triple glazing, dual sealing, ROTO multi-point lock, and anti-burglary reinforcements. Excellent thermal and sound insulation – ready to install.
Transport is additional to production time. Ask us for the current delivery estimate for your location.
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A closer look.
Modern Stainless Steel Entry Door – Energy Efficient, Secure, and Prehung
This premium stainless steel door is designed for exceptional thermal performance, sound insulation, and home security. The 2.2-inch thick door slab is filled with PUR polyurethane foam and wood, offering excellent insulation and durability. A dual sealing system ensures your home stays quiet and warm while reducing vibration and preventing air leaks. The seals do not expand or contract under weather changes, maintaining a consistent fit year-round.
The door frame is reinforced at hinge and locking points to enhance anti-burglary protection. It is completely prehung on the frame, making it fast and easy to install – no assembly required.
The complete set includes:
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Door and door frame with two weather gaskets
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ROTO strip lock system with an independent upper lock and 3 reinforced anti-theft bolts
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Two sets of inserts with keys
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Standard door handle (optional T-bar long handle available)
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Viewfinder (included on solid doors)
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3x adjustable hinges for anti-burglary protection
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Aluminum threshold with gasket
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3x anti-theft bolts
Performance Specifications:
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Full door leaf: R-Value 4.8
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Glazed door leaf: R-Value 3.8
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Sound insulation: 31 dB (solid leaf)
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Triple glazing used for glass inserts
Ideal for those looking for a stylish, secure, and energy-efficient door that’s ready to install right out of the box.
For certification and approved configurations of this model, request the documentation from our team.
