Blog

November 15, 2023

Approved Air & Vapor Barrier Accessory Products for Pecora XL-Perm ULTRA NP

Providing a comprehensive range of accessories ensures that customers can find everything they need in one place, making their experience more convenient. Accessories allow consumers to personalize and customize their products according to their preferences and needs. More importantly, accessories often complement and enhance the functionality of primary products. For this week’s blog post, we take a look at approved air and vapor barrier accessory products for our XL-Perm ULTRA NP.

JOINT SEALANTS/FILLERS/LIQUID APPLIED FLASHINGS

For use under XL-Perm ULTRA NP coating (sealant/flashing must be allowed to fully cure before applying the non-permeable coating):

  • Static Joints
    • Pecora XL-Flash Liquid Flashing & Joint Filler
    • Pecora Dynatrol I-XL Hybrid
    • Others as approved by Pecora
  • Dynamic Joints
    • Pecora NST Silicones (864NST, 890NST, 895NST, 890FTS)
    • Pecora Dynatrol I-XL Hybrid
    • Pecora AVB Silicone & Adhesive
    • Others as approved by Pecora

 

For use over XL-Perm ULTRA NP coating:

  • Pecora AVB (Air & Vapor Barrier) Silicone
  • Pecora NST Silicones (864NST, 890NST, 895NST, 890FTS)
  • Pecora XL-Flash Liquid Flashing & Joint Filler
  • Pecora Dynatrol I-XL Hybrid
  • Others as approved by Pecora

 

  • Product compatibility testing was performed in accordance with AAMA 713 Test Method to Determine Chemical Compatibility of Sealants and Self-Adhered Flexible Flashings.
  • The above-referenced Pecora products should be fully cured prior to any subsequent applications of flashing membranes.
  • As noted in the table above, applying asphaltic based adhesives/products over the XL-Flash and Dynatrol I-XL Hybrid is NOT recommended including areas where the XL-Perm ULTRA VP is applied over the XL-Flash and Dynatrol l-XL Hybrid.

RELATED ARTICLES

Please send blog topic suggestions to marketingcommunications@pecora.com

pencil