It is a light weight filler. It is what you use to get the final smooth finish that you are looking for. It is that stuff they use when they say filling and sanding, filling and sanding, fill.......". There are many kinds of light weight fillers to choose from. Check out this page at Wicks.
http://www.wicksaircraft.com/catalog/product_cat.php/subid=348/index.html See N64KR at http://KRBuilder.org - Then click on the pics See you in Mt. Vernon - 2006 - KR Gathering There is a time for building and a time for FLYING and the time for building is OVER. Daniel R. Heath - Lexington, SC -------Original Message------- What is super-fil? When I use with super-fil? Where I can get this material?