Soft floor patch or substrate prep materials such as patching or leveling materials which may be over watered will diminish the density of the patch and result in it being soft.
Too much glue under vinyl.
When dealing with a click lock vinyl of 4mm or thicker an underlayment has several benefits.
Glue coming up between vinyl tiles looks like the gray discoloration between these two tiles.
Delaying the cleanup of excess glue.
Put a piece of cloth on top of the fix and then put a board on top of that.
It can help smooth over minor subfloor imperfections.
The improper application of adhesive such as too much wrong trowel used to apply it and too soft for example will allow any weighted object placed on the flooring to depress it and indent it.
Most vinyl underlayments are 1mm to 1 5mm thick.
Vinyl planks require hard thin underlay because the product itself is softer.
First of all i absolutely recommend putting down some extra adhesiveunderneath the tiles.
On lighter colored patterns it s more noticeable than on these.
I hear students chirp too much glue whenever their neighbors get too crazy with the glue.
Releasable adhesives have great shear strength and have little movement or but yet are easy to peel up when under pressure from the subfloor shrinking from drying out the adhesive is not strong enough to hold the lvt and lvp down.
But this increases the risk of glue coming up between vinyl tiles.
This one book effectively communicated in 5 minutes what i have been saying verbally for this whole time.
If allowed to dry sheet flooring adhesive will require a solvent for removal.
While underlayment for vinyl planks may be used under hardwood and laminate the reverse is not true.
Because the message came in such a fun and colorful format i know have my first ever kindergarten class that self monitors when they use glue.
If too much cushion is beneath the vinyl planks the locking system and joint integrity will be compromised.
Scrape off any glue from the floor under the edge with the old bubble.
Press the edges down.
Apply new glue and let it sit for a few minutes.
Cut the bubble open and flatten the edges and trim any overlap around the cut.
Neglecting to use a roller to smooth out the linoleum or vinyl flooring after you ve glued it in place.