SIERRA DUB AC
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SIERRA DUB AC

$3,660.00

+ Free Shipping

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.

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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:

  • Door and door frame with two weather gaskets

  • ROTO strip lock system with an independent upper lock and 3 reinforced anti-theft bolts

  • Two sets of inserts with keys

  • Standard door handle (optional T-bar long handle available)

  • Viewfinder (included on solid doors)

  • 3x adjustable hinges for anti-burglary protection

  • Aluminum threshold with gasket

  • 3x anti-theft bolts

Performance Specifications:

  • Full door leaf: R-Value 4.8

  • Glazed door leaf: R-Value 3.8

  • Sound insulation: 31 dB (solid leaf)

  • 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.

Opening way:

Left hand – opening to inside, Left hand reverse – opening to outside, Right hand – opening to inside, Right hand reverse – opening to outside
Door height with frame:

80" +$110.00, 82.3", 82" +$112.00, custom height from 70.7" to 82.3" +$110.00
Glazing:

Graphite reflex, Milk frosted glass, Mirror glass, Standard ( transpared – clear glass )
Color:

Black + $110.00, Bleached oak + $110.00, Concrete + $110.00, Corten – architectural rust + $110.00, Dark anthracite RAL 7016, Double color ( doors in different colors inside and outside ), Golden oak, Light anthracite ( silver grey ) RAL 7040, Mahogany, Smooth anthracite RAL 7015, Turners oak, Walnut, Wenge, White, Winchester
Rain deflector:

No, Yes + $40.00
T-bar - long vertical handle or normal handle:

Only a normal door handle black + $70.00, Only a normal door handle silver, Yes, T-bar Straight, circular shape 47.2" black + $320.00, Yes, T-bar Straight, circular shape 47.2" silver + $270.00, Yes, T-bar Straight, rectangular shape 63" black + $320..00, Yes, T-bar Straight, rectangular shape 63" silver + $280.00
The color of the frame around the glass:

Black, Silver

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