I'm replacing the vinyl floor in our kitchen with a porcelain tile
floor. When I removed the old vinyl and the particle board
underlayment I found it was fastened with a fastener type that I
hadn't seen before.
The fastener is shaped similar to a letter "L" and has some small
ridges on the long leg. What kind of fastener is this and what are
In our new(er) home, the subfloor is Sturdifloor..a panel strip/OSB looking
We were going ceramic tile thru much of the home at and the installer said
that a plywood underlayment would be better than the chipboard underlayment
sheets used in many nearby homes. We went with the PLY as it was only a few
dollars more per sheet than the chipboard. The installer picked up a 5
gallon pail of white (carpenters) glue..he spread it liberally across the
floor, placed the plywood sheets perpendicular to the sturdifloor sheets
then used a LOT of air gun 15 GA staples to nail it down. Been in here 5
yrs now and no problems with the floor, no "bounce", no tile grout cracking.
Seems pretty solid. I'd go that way again
Underlayment nails, aka bright ring-shank nails. You can also use
narrow crown staples if you want to do it faster, but that would
require you to rent a staple gun and buy a box of staples which would
be way more staples than you'd need for a kitchen.
BTW, it is not my opinion, it is what is specified by pretty much all
flooring manufacturers. Whenever you have these sort of questions, do
a Google and add "architectural specifications". That will bring up a
lot of manufacturers installation instructions. Don't rely on one
manufacturer's recommendation. Read a few of them and you'll find a
common recommendation - that's a safe way to go.
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