DeFelsko PosiTest® AIR Leak Detection Instrument Kit


Quickly and easily detect air and water leaks in bulding envelopes and rigid air barrier systems.  Ideal for testing penetrations (fasteners, masonry ties, etc.) and continuity of joints and seams in rigid air barrier systems.

DeFelsko MPN:  AIR

DeFelsko PosiTest® AIR Leak Detection Instrument Kit

Web price i
Please sign in to your account to see your pricing, which may be different from the price displayed.


Ship to


Designed to enhance the integrity of building constructions, the DeFelsko® PosiTest® AIR is an indispensable tool for professionals in the construction and inspection industries. Whether dealing with liquid applied membranes, sprayed polyurethane foam, boardstock, metal liners, exterior insulation and finish systems (EIFS), or EPDM roofing systems, this device provides a reliable solution for testing penetrations and joint continuity.

This portable and lightweight tester is user-friendly and can be operated in any position, making it suitable for a variety of testing scenarios. Its environmentally sealed enclosure ensures durability and reliability, even in harsh conditions. Built-in rechargeable batteries allow for continuous operation, with the capacity to conduct up to 200 tests per charge, and the included universal AC adapter ensures uninterrupted testing when needed.

The device also features a high accuracy pressure sensor and internal memory capable of storing up to 200 test results, including rate, time duration, limit, and user-entered Pass/Fail conclusions. Compliance with national standards such as ASTM E1186 is a testament to its reliability and effectiveness in ensuring building envelope integrity.

  • Portable and easy to use in various testing environments.
  • Durable, dustproof, and waterproof construction.
  • Comprehensive data storage and analysis features.