I found this in a local shop with building supplies. It's made for filling grouts between tiles and is of course dirt cheap. It's also known as gap filler foam rod.
Martin Joergensen
Foam tube
Since you got this far …
The GFF money box
… I have a small favor to ask.
Long story short
Support the Global FlyFisher through several different channels, including PayPal.
Long story longer
The Global FlyFisher has been online since the mid-90's and has been free to access for everybody since day one – and will stay free for as long as I run it.
But that doesn't mean that it's free to run.
It costs money to drive a large site like this.
See more details about what you can do to help in this blog post.