Hello Bryan, I just noticed this post, I am refurbishing a Captain
as well. I gutted the interior and replaced half of the floor boards. ( Lots of leaks
through the marker lights
) I started to line the interior but had to put the trailer away untill the weather warms up. We are using indoor/outdoor carpet, on my last trailer (Cadet) I tried to glue it with a spray on glue which was a failure due to the residue of the foam we scraped off the walls. We then switched to a good quality carpet glue which worked great, this is what I am using now.