Uneven floor under carpet at join

ScoobyDoo · 24 Mar 2017 at 12:02

My house had an extension back in the 1980s. I purchased it 3yrs ago and I'm currently re doing the main bedroom.
The extension has a solid hardboard floor joining to floorboards in the original part of the room.

I noticed that the old carpet had a ridge in it, on lifting the carpet i can see why.
There is a slight lip in places where the hardboard meets the floorboards.
I've tried lifting the floorboards but they are well stuck down with lots of nails etc.

Is there anything I can use to get rid of this lip at the join? I was thinking of possibly using a piece of cardboard but any thoughts?

Nikumba · 24 Mar 2017 at 12:20

Sand the boards down in the high places to match the hardboard flooring would be my suggestion.

ScoobyDoo · 24 Mar 2017 at 13:10

Oh sorry forgot to mention, the hardwood is the high point, the boards are lower

Bickaxe · 24 Mar 2017 at 14:20

Depends on the height difference but a layer of ply over the extension part should do it.

a1ex2001 · 24 Mar 2017 at 14:27

Get an orbital sander and smooth the transition or lift the ends of the floor boards to match packing underneath them.

ScoobyDoo · 24 Mar 2017 at 15:34

Thanks for the suggestions, going to get to work with the orbital sander

Amp34 · 24 Mar 2017 at 16:22

Sander on the high point or Hardboard/thin ply on the low section. Both actions will depend on how big the area actually is, and how each part joins to the rest of the house!