Fanfold Siding Underlayment

The industry's top-best performing materials come together in EMCO Building Products' seamless steel siding and accessories line-up.

For the best fanfold siding underlayment available, choose the XP Series. The extruded polystyrene (XPS) foam offers superior stiffness, so your siding job has the smoothest finish possible. The underlayment is extra durable, thanks to the flexible plastic facers. The perforated reflective facer enhances thermal performance while allowing moisture vapor to escape. And, the cut-and-fold hinge design ensures it lays flat.

WHY CHOOSE US?

  • 700 lb full coils and mini coils in 350 lb and 175 lb coils (+- 10%).
  • All steel siding coils come with a rigid cardboard core.
  • Made from a minimum 75% recycled 28 ga steel, single-sourced US mill for product consistency in quality and roll-formability.
  • Fade-resistant Kynar 500®, Hylar 5000® paint finish.
  • Paint finish has a PTFE (Polytetrafluoroethylene) coating that improves scratch-resistance and cleanability on the wall and makes the coil perform better in the brake and the roll-forming process.
  • Rich, true color for long-lasting beauty.
  • Our exterior accessories are color-coordinated with all our products and offer the most attractive and functional system on the market today.
  • Limited lifetime warranty.
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