I have those pergo type floating floor laid all the way to the door and now
I need to add a wood threshold (about 1/8" thick) to the top of the Pergo
floor to even the elevation. I don't want to screw/nail because of the
thinness as well as I am not sure these Pergo material looking plastic like
will not just crack like that. So may be applying some heavy duty glue is
the way to go? Any suggestion of the best method of attachment? What kind
of glue should I use? Thos construction grade liquid nail in tubes don't
seem to do any good.
If you read the directions on the Pergo flooring box, it will probably
say it needs 1/4" for expansion on all sides. Believe me, this is
critical. I had to remove base and shoe moulding to trim the laminate
flooring that was binding against the wall in a sun room when the
flooring expanded, due to the sun beating down on it (I could see the
flooring buckling). Nail the threshold so that it doesn't penetrate the
Pergo, but allows the laminate to slide back and forth under the threshold.
Gluing the threshold to the laminate won't work once the laminate
expands and contracts. You did leave room for expansion, didn't you?
Yes there is room at the bottom to expand. The room has this Pergo floor
(well not really Pergo but Formica but the same thing) and my hallway has
ceramic tiles. The Formica blanks comes to about 3/8" of the ceramic tiles
and I have filled the gap now with those flexible joint compound. But the
end of the floor plank is about 1/8" lower than the tiles and I have
prepared this thin threshold about 3" wide 28" long and 1/8" thick which
should sit perfectly for the transition. But I still need to cover it
because the Formica planks were not cut perfectly straight. Several planks
end there and each were cut a little off from each other.
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