Gently pull away as much loose seam as possible.
Carpet coming away from gripper.
Run a fan or two to dry the carpet.
See below for a shopping list and tools subscribe to this old house.
Continue pulling the carpet off the tack strip by hand until you can fold back the entire wet section.
Place staples at the back or ends of tread to avoid stepping on exposed heads.
Medium is ok for 90 of carpets dont let them bash the pins down as that will lock the carpet on to them.
Apply seam adhesive as directed by the label.
If its a concrete stone floor the problem may lie in the gripper rods have come away from the floor.
When you can permanently fix the problem use pliers to lift and remove the staples.
First go to the corner nearest the wet area grab the carpet with pliers and pull the carpet off the tack strip.
Here is a typical method.
Crazydaze 5 jul 2014.
Depending on the age and condition of your carpet it may well just be a lift re stick and refit.
Carpet suppliers and some hardware stores sell carpet seam adhesive.
The gripper rods have outward facing teeth so the carpet needs to be pushed past the teeth to allow the teeth to bite as the carpet pulls back.
Wet carpet pad is like a big sponge.
The older a carpet gets the less flexibility it has and the less likely it will engage with the rods.
This old house general contractor tom silva fixes a stairwell tripping hazard.
Apply it to the backing of one edge of the carpet between the pile and the pad.
Simply stretch the carpet by hand and staple into place with a staple gun and construction staples.
Yes they have used the wrong gripperrods you can get short medium and long pin gripper.