What is it? A commercial and residential replacement for traditional caulk, which can be messy to install if not done right.Who makes it? Greg Amundson, a dealer for Lindal Cedar Homes in Scandia who decided to pursue his inventions when his home building business slowed.
The inspiration: The idea came to him during a sleepless night.
How it works: It's a flexible, triangular-shaped trim piece with tapered "wings" that can be sealed into any 90-degree angle with an applied 3M adhesive.
Where to buy it: eBay.com, Amazon Marketplace, Google, www.cornerflex.com.
Why it works: It's made from a smooth, mold-resistant PVC (polyvinyl chloride).
Colors: Can be customized.
![Attendees of Frostbike made their way through the convention Saturday at the Quality Bike Products campus in Minneapolis. ] (AARON LAVINSKY/STAR TRIBUNE) aaron.lavinsky@startribune.com Frostbike 2016 was held at the Quality Bike Products Campus on Saturday, Feb. 27, 2016 in Bloomington, Minn.](https://arc.stimg.co/startribunemedia/NH2BSHB74ND2V6GF2G2HI5X4MM.jpg?&w=252&ar=3:2&fit=crop)
