I ve been told to.
Tile over vinyl over osb osb.
The plan is to install 12 12 ceramic tile.
That s where a membrane like ditra comes in.
I don t believe and governing or guiding agency allows or recommends it.
So no you shouldn t tile directly to osb.
Osb subfloor is mostly serving as a base under the finish floor hardwood engineered wood vinyl tile etc and even below the underlayment in some cases.
2 install and nail backerboard over the vinyl then install tile.
Other osb negatives contractors builders and home remodelers have mixed opinions about the use of osb for flooring mostly tending toward the negative.
I have had people asking about installing sheet lvt and vct directly to the osb subfloor without the use of an underlayment most flooring vinyl flooring manufacturers do not allow direct glue down directly to the subfloor.
Below is one that works great for this sort of application.
Therefore according to the 2012 tcna handbook they are not recommended as a substrate material for direct bonding of ceramic or natural stone tile with cement mortars.
Wood based panels like oriented strand board osb expand and contract with changes in moisture content.
Plywood manufactured with a fully waterproof adhesive and with an.
When installing over existing oriented strand board osb an underlayment must be added between the osb and the tiles.
You can use an oil based primer to coat any type of plywood you choose.
3 spread a thin layer of concrete over the vinyl and install tile.
As for peel and stick vinyl tiles to go on top of osb you are on the right track to putting a sealer on top of it.
It won t get a bond strong enough to deal with the stresses of a direct osb to tile installation.
A plywood underlayment should be installed between the structural subfloor of the actual foundation and the flooring material.
This is not to say that tile cannot be installed reliably over an osb subfloor.
We ve installed a number of ceramic and stone floors.
Ceramic tile over plywood or osb one project closer ceramic tile is a very popular upgrade for kitchens bathrooms patios and foyers.
It is resistant to water and scratches making it more durable than hardwoods or vinyl tile for these areas.
However there is significant debate in the tile industry regarding the conditions necessary for a long lasting successful installation.
It ll act as an intermediary between the tile and the osb.
The most current ansi standards for tile installation a108 1999 specifically exclude osb.
This is due to osb s tendency to swell and warp along the seams over time which could eventually show through the vinyl flooring.
1 remove both layers of vinyl before tile install.
