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For entrepreneurs Greg and Betsy Amundson, the makers of InstaTrim®, CEL serves as their marketing and public relations team. A flexible caulk alternative and trim solution for home improvement, customers use the self-adhesive PVC strips to cover the cracks between baseboards and floors, windows and doors and more. Our Peel. Press. Perfect. campaign drives sales in the DIY space.



In March of 2016, CornerFlex®, Inc. Owners Greg and Betsy Amundson decided to rebrand EasyCaulk as InstaTrim®, carving a less competitive niche market for trimming throughout the house, instead of just bathrooms. They turned to CEL for a new logo, tagline, brand colors and messaging.

Website Design

Optimizing for search, repairing broken links and updating plug-ins, CEL facilitated a website migration from EasyCaulk to, incorporating the new brand logo, brand colors and messaging. The project required CEL to secure the domain name from a third party, which was a critical move.


Knowing content marketing is king, CEL writes up to four blogs a month for, each with a complementary photo. The posts feed social media content for Facebook and Pinterest. Across all channels, CEL is laser-focused on brand consistency with packaging, sales sheets, the website, even their presence at the national trade show.

Public Relations

CEL has placed InstaTrim® in the Stuff We Love section of Family Handyman Magazine, one of the top DIY Magazines in the country. In Minneapolis/St. Paul, the company has been featured in the Star Tribune, Finance and Commerce and twice on KARE-TV. Every time the product and company appear in the news, sales soar, with the latest KARE 11 segment sparking a record day of sales.

The effective CEL and CornerFlex®, Inc. collaboration has driven InstaTrim® sales up 900% in just two years as new customers and do-it-yourselfers found the new trim solution.

  • Our marketing partner since 2015

    “CEL has taken care of all of our marketing needs and more since 2015. They keep us current and relevant to our patients and help us attract new patients. They save us time and energy with our marketing and public relations and track results to measure our return on investment.”

    – Annette Steffens, Southdale ObGyn

  • CEL has provided us with the tools and support to crystallize our brand and value. It is more than just marketing.

    They (CEL) helped us refine and re-define who we are and why we do what we do. Their listening, creativity and deliverables kept us thriving in tough economic times for our industry.

    – Sarah Kaelberer, CFP®, CLU®, ChFC®, President – Business & Estate Advisers, Inc.

  • I’ve hired CEL to promote my events since 1999…There is no better company.

    Together, we re-positioned the Uptown Art Fair in Minneapolis and took the Saint Louis Art Fair to a new level of success with local and national media coverage. In addition to drawing a crowd, the media focus they place on individual artists has helped attract high-level professional artists and qualified buyers. Always prepared, CEL’s crisis communications are extraordinaire.

    – Cindy Lerick, Former Executive Director of Uptown Association, Mpls and Former Executive Director of Cultural Festivals Saint Louis, MO.

  • InstaTrim

    I’m super impressed with our new brand and website. We’ve crossed another threshold of credibility and quality. And, thank you so much for using your mad skills and expertise to make media coverage happen. You’re the best and a vital part of our team. I’m very excited!

    – Greg Amundson, CornerFlex®, Inc.