secure reducer into cement subfloor

How do i secure the reducer into cement subfloor?

 

need more info is it a reducer for hardwood, laminate, carpet, tile
depending on the type of flooring there are several different tranistion moldings you can get. I have seen one that could help you depending on the type of flooring you have. It is made by formica and is used for there new tile laminate line but i am sure other manufacturers make one as well it is 2" wide 8' long and has a metal strip under the molding itself that acts as a track for the transition piece to snap into. 1st you drill and screw the metal track to the concrete and then the transition "snaps" down onto the track so you don't see the crete screws all you see is the nice trans piece. You could also use an adhesive to affix the trans. it all depends on how much work you want to do. What you don't want to end up with is a toe catcher. good luck

 

Thanks for your input. t is a wood laminate floor (pergo type). What type of screw would go into concrete?

 

I tried gluing a reducer onto a plywood floor and it didn't last long (glue cracked). I used wood glue. Should I have used a different type of glue?

I also bought a Fuller tapered drill/countersink cutter with plug cutter and have been practicing with that. The reducer is prefinished but after drilling the hole and inserting the plug the finish will still need fixing. Can I sand it lightly in the area of the plug and spot finish it?