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OSI TRIMTeQ System for Cellular PVC Trim Installation

Over the last several years, cellular PVC trim has become a popular option among contractors and residential homebuilders.

In that time, there has never been a standard installation technique that addressed cellular PVC's characteristics directly. Instead, builders and remodelers have used methods designed for more traditional building products, like wood. To solve this problem, OSI® Professional Grade Adhesives and Sealants introduces the new TRIMTeQ™ system of products specifically for cellular PVC trim installation.

"OSI TRIMTeQ accommodates for the ongoing expansion and contraction of cellular PVC trim," says Bill Sobonya, OSI Senior Brand Manager. "The system components work together to ensure the install performs as expected, reducing the need for repairs and re-installations."

OSI TRIMTeQ features innovative fastening and sealing products, along with a comprehensive training program that allows for easier installation. The products are formulated to work in conjunction to maintain long lasting durability homeowners expect. In addition, OSI has developed the TRIMTeQ system to improve the performance and overall aesthetics of the home's exterior.

The following products are part of the OSI TRIMTeQ system.


  • Mounting adhesive designed to fasten cellular PVC trim to the exterior of a home
  • Features innovative fast grab formula
  • Premium formula delivers durable polyurethane strength - lasts as long as the surfaces it joins together
  • Cures in 24 hours
  • Water and weatherproof
  • Bonds to wide variety of building materials under any conditions


  • Designed to adherer miter and scarf joints adhesive
  • Features re-sealable squeeze tube that delivers precise control without the mess
  • Permanent durable bond that prevents joint separation
  • Longer shelf life than competing products
  • Innovative formula provides gap-filling capability
  • Water and weatherproof

OSI TRIMTeQ TEQ Fasteners™

  • Designed to fasten cellular PVC trim to the home
  • Features the Cortex™ concealed fastening system
  • Fasteners provide the highest level of connection strength
  • Setting tool is engineered to ensure fasteners are set to correct depth every time
  • Universal PVC plugs fills nail holes
  • Virtually invisible, providing professional finish
  • Setting tool attaches easily to most drills
  • Creates consistently cored hole for the plug connection
  • Engineered to ensure ultimate long-term performance against outdoor elements
  • Maintains long-term durability under any conditions
  • Plugs are paintable


  • Key component of TRIMTeQ system
  • Recommended for finishing sealant applications
  • Advanced formula sealant designed for superior exterior performance
  • Can be applied to wet or dry surfaces, even at freezing temperatures
  • Resists dirt and dust collection, yellowing and water washout
  • Offers the industry's widest range of color matches – more than 3,500 and counting

OSI EP-1000™

  • Key component of TRIMTeQ system
  • Recommended for situations that require expansion joints
  • Enhanced polyurethane exterior sealant
  • Features exclusive FLEXTEC™ technology
  • Resists unsightly effects of prolonged UV-exposure
  • Fast dry formula is low odor and paintable
  • Strong flexible bond on wide variety of building materials in all weather conditions
  • Easy to tool and is non-yellowing and crack resistant
  • Excellent adhesion to a wide variety of surfaces


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