Perhaps just bang them down with a hammer but the carpet may lift over time in this area as your builder has stated.
Feeling nails through carpet.
Obviously the thickness of the carpet has a bearing on whether the tacks will be a problem in a walk area.
I cannot see the nails.
Place a 2 inch finish nail on the mark where you found the joist.
If you ve stepped on a nail it can be a painful experience.
You must have a low pile carpet to be feeling them come thru.
But if significant pressure is put on the carpet like oh i don t know the body weight of an adult human that s.
They did come round and try to hammer the spikes down.
It is very dangerous and i have cut my feet on them.
If i walk through the doorway between a carpeted bedroom and a tiled bathroom my bare feet get pricked by nails on the edge of the carpet.
And when i run my hand over the nails i don t feel the nails.
Stand up and place your weight on the squeaky spot.
Hey all i just had some carpet put in and weirdly i can feel the spikes of the grippers when i stand at the edge of a room.
Which leads me to my next point pun.
The worst area is where the carpet meets the laundry room where the carpet transitions to linoleum.
I too have the same problem with our stairs carpet you can feel the spikes through the carpet i did contact the carpet layers and they told me it was because carpets are not as thick as they used to be.
Once the carpet is stretched onto the pins they must be tapped over in a doorway tile junction to reduce the problem of feeling the tacks through the carpet.
In multiple locations the tack strips are easily poking through the carpet.
Depending on the severity of the injury the nail can puncture a hole in the sole of your foot.
These are the nails protruding from the carpet nail strip.
I could live with that but i can also feel the spikes when walking up the stairs without shoes and that is really annoying and uncomfortable.