If it is thinner you will need to use some sort of floor leveling compound.
Level particle board floor.
Unfortunately it s made of particle board so i m using a pre mixed leveler instead of the self leveling liquid variety.
Even using adhesive glue to secure particle board to the subfloor or attaching finished flooring to the particle board underlayment can introduce moisture to the product.
Jmsland sep 9 2013 4.
This is a distinct advantage over plywood and drywall.
Cement board is a type of underlayment that is now standard for most tile installations but particularly for floor tile.
Cement based formulations such as henry 555 levelpro are designed for wood and concrete subfloors while patching compounds such as fix it all are composed primarily of calcium carbonate and silica quartz and are intended primarily for wood.
So thinking about the uses in a home particle board would be a terrible choice for any space that has potential for water damage such as kitchens bathrooms or laundry rooms.
The rest of the floor is nice and level.
The primary benefit of cement board is that it doesn t break down or expand or warp if it gets wet.
You may get by with 1 2 for an engineered but for a 3 4 solid 5 8th minimum.
If the subfloor is plywood or particle board start by screwing down any loose boards or plywood sheets.
Subfloor is intended to be covered with padding and carpet or overlaid with finished flooring like tiles or finished hardwood.
A level floor helps make your tile laminate.
Particle board doesn t hold nails well and the boards can start coming loose as the house breathes.
A particle board subfloor may have one or more spots where there are detectable dips wells or undulations.
Before any product can be installed over a particle board subfloor it should be leveled.
Cement board also provides an additional layer over a plywood or particleboard subfloor adding stiffness to the tile.
When you spread mortar on particle board it can absorb the liquid and swell popping some of the tiles.
Note that this is not really changing the structural rating of the existing floor but it is a working solution that will allow you to get your work done.
Leveling compound comes in two basic formulations.
Doesn t always happen but can.
Floorguy nov 26 2007.
Add more wood screws if needed to secure them.
And for hard wood it needs a secure sub floor to nail into.
The problem with tile is the mortar.
Leveling a particle board sub floor i m leveling my kitchen subfloor in preparation for laminate.
Particle board looks like compressed saw dust and osb looks like big flakes and slivers of wood compressed together.
Use a sander if the particle board is slightly thicker than the new subfloor to level it out.