DuraPlank

DuraPlank is an exceptional high-performance panel designed to enhance the beauty, comfort and energy efficiency of any home. Noted for its traditional wood clapboard appearance, extra thick profile, and straight, flawless finish, this reinforced siding features a rigid foam backing that insulates, repels moisture and maximizes rigidity. As a result, Royal DuraPlank offers the industry’s highest impact resistance as well as unmatched protection under the harshest weather conditions. Available in a wide variety of popular standard colors as well as UV-resistant Colorscapes™ shades for long-lasting color retention, Royal DuraPlank perfectly captures the look, feel and rigidity of natural wood—and comes with a powerful color retention warranty.

  • Revolutionary color technology combines Luran® S ASA, BASF’s premium color-fast thermoplastic, with Royal’s innovative Royalside™ Compound and Dura Technology™ Process
  • Provides industry leading UV resistance and fade protection
  • Weatherable thermoplastic blocks out the sun to protect dark colors, providing homeowners with a wider color selection
  • GAUGE: NOMINAL THICKNESS .054"


• Over 300% greater than ASTM impact standards
Royal DuraPlank is the thickest panel (.054”) on the market and features an Energy Star rated extruded foam backing for straighter walls, enhanced energy savings, sound deadening performance and greater home comfort.
• Featuring the WindLok 265 System
Innovative double nail hem enables panels to withstand winds up to 265 mph*. This exclusive WindLok 265 System provides a more secure, tighter-fitting siding that stands up to the highest standards of structural performance.  In testing, the Royal DuraPlank installation system achieved a test pressure of 187.72 lb/ft. This equates to a wind speed of 265 mph. 
• Thick Gauge (.054”)
Thickest panel on the market offers superior rigidity and strength.
• Free-Floating Foam Foam
is locked, not glued, to allow for expansion, contraction and escape of moisture for a lifetime of performance.
• Ventilating Air Pockets
Creates an efficient thermal barrier and helps protect against rot, mold and mildew.
• Effective Water Channels
Water and condensation are collected and guided away from internal walls. Helps prevent water from pooling behind siding, which can lead to rot, mildew and thermal breakdown. 

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