Outset Seal

Outset Seal is the adjustable wall that seals penetrations for both central and mini split systems. It resists mold growth, deters rodents and insects and is UV resistant. Outset Seal can be used for both new and existing installs making it the easiest product to use with its hinge style closure.

  • Blocks air leakage, moisture, rodent intrusion, wall penetration
  • Suitable for new installation or retrofit projects. Easy to install
  • High quality, UV and weather resistant, durable
  • Innovative flexible sleeve design reduces piping vibration & noise
  • Work with both mini-split and central systems
Adjustable wall seal for central and mini split systems. Used for both new and existing installs.

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More Information
Case Weight (lbs) : 10.58
Case Height (inch) : 18.11
Case Length (inch) : 14.17
Case Width (inch) : 16.14
Brand : Outset
Recommended Use : HVAC Wall Penetrations.
Color : GRAY
Application : Adjustable wall seal for central and mini split systems. Used for both new and existing installs.
Fin/Blade Spacing : .000
Fin Degree : 0
Screw Holes : 0

The complete code compliant end-to-end lineset protection system

Quick & Easy

Outset Seal is suitable for new installations and retrofit projects!



Outset Jacket is removable and reusable for easy installation and maintenance.


Outset Seal + Jacket are built with exceptional durability, offering moisture and mold resistance, as well as UV and weather resistance, ensuring long-lasting performance even in harsh conditions. Furthermore, they serve as a protective barrier, effectively preventing rodents and insects from entering the wall, providing an added layer of security and peace of mind.

 Prevents air leakage

Outset Seal + Jacket excel at preventing air leakage due to their advanced air-tight seal design. They provide a secure and precise fit around wall penetrations, effectively sealing any gaps and ensuring optimal energy efficiency. With their exceptional ability to create an airtight barrier, Outset Seal + Jacket minimize moisture intrusion and enhance the overall performance of central HVAC and mini-split systems.

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Minimum 3-year limited warranty on RectorSeal Products. No registration required.


Outstanding Technical Customer Support

Providing exceptional technical customer support for on-site job requirements and project specifications.

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Complimentary eTraining Courses

Offering a variety of eTraining from self-directed courses via RectorSeal Academy, on-demand one-on-one training or live webinars.