Unirac EXTRA Butyl Pad STRONGHOLD Kit (1 pc) XTRABUTL-SH

The Unirac XTRABUTL-SH Extra Butyl Pad is a supplemental sealing accessory designed for use with NXT UMOUNT STRONGHOLD attachment kits. It provides additional leveling and waterproofing support in installations where roof surfaces are uneven, such as shingle overlaps or gaps.

Constructed from durable rubber-based butyl material, this pad enhances the integrity of roof attachments by helping create a tight, conforming seal around mounting points, reducing the risk of water intrusion and improving long-term system reliability.

Key Features

• Supplemental Butyl Sealing
  Provides additional waterproofing support when used with STRONGHOLD attachment kits.

• Ideal for Uneven Roof Surfaces
  Designed to help level installations over shingle overlaps or gaps by stacking layers as needed. 

• Improved Installation Integrity
  Helps maintain proper attachment alignment and reduces the risk of water intrusion in challenging mounting conditions.

• Durable Rubber Construction
  Made from high-quality butyl rubber for long-lasting sealing performance.

• Flexible Application
  Can be cut and layered to match installation needs and surface variations.

• Designed for STRONGHOLD Systems
  Fully compatible with Unirac NXT UMOUNT STRONGHOLD attachment kits.

• Not Included in Standard Kits
  Extra pads are sold separately and recommended for installations requiring additional leveling. 

Best Uses

• Shingle Roof Installations
  Used when attachments are installed over shingle overlaps or uneven roof surfaces.

• Roof Surface Leveling
  Helps create a flat mounting surface for proper attachment alignment.

• Enhanced Waterproofing
  Provides additional sealing protection in demanding rooftop conditions.

Product Specifications

Essential Sealing Support for STRONGHOLD Installations

The Unirac XTRABUTL-SH Extra Butyl Pad provides installers with a simple yet critical solution for improving roof attachment sealing and leveling—helping ensure reliable, watertight solar installations even in uneven roof conditions.

Why Buy From US Solar Supplier

US Solar Supplier is an American-founded company based in Kentucky dedicated to offering top-quality solar components from trusted manufacturers. We provide competitive pricing, dependable inventory, and products backed by warranties you can trust.

Our inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.

Need Assistance?

Have questions before you order? Call 1-800-230-7004 to speak with our knowledgeable support team. We’re here to help with product details, compatibility questions, or purchasing support.