I am thinking about adding insulation and subfloor on the basement bathroom floor like other rooms, which will rise the floor level about 2". Do I have to break concrete floor to redo the riser? Can I use the attached flange to avoid modifying riser?
I recently used a product called dricore as a subfloor. Its only 7/8" thick and has a plastic bottom with channels built into it so water can sit underneath it. Air can also circulate. It is tongue and groover and easy to install.
yes it should work just make sure it is fastened good also another poster posted this link for a insulated basement floor here is link http://www.ovrx.com/
i have also used dricore and it work well also here is link http://www.dricore.com/en/contrac.aspx
both are available at home depot and lowes might need to be special order though
just so you have some options if you were looking
"be careful at listening to just one persons advise" said me
"be careful at listening to just one persons advise" said myself
p.s. not all i say is a fact but not all i say is my opinion.