Hi Ruben,
Just got request from Chris via Ticket System.
Here the solution for replacing headroom with sticky default.
Download sticky.zip file https://www.dropbox.com/s/whv1sw4ajpjfo8p/sticky.zip?dl=0
Unzip then copy index.php file to joomla/templates/template_name/
copy main.js file to joomla/templates/template_name/js
