One is specifically used for repairing engineered glue down floors while another is used for solid hardwood and bamboo floors.
Glue down hardwood floor repair.
Unless you are confident that the floor is wood don t use the glue method to repair a popping sound.
Laminate floors are not fastened to the floor and injecting glue can ruin the material.
Glue down hardwood floors are amongst the first of their kind but that doesn t mean that they went obsolete with the passing of time.
With that said one of the most important factors while dealing with glue down installation is going to be your subfloor.
It is only to be used with engineered floors because of the makeup of the adhesive which is water based.
On the contrary many installers prefer to use glue down floors because they re more stable and if the glue is good you can avoid a lot of the problems that bug other flooring methods.
The most widely used kit for engineered floors is the dritac repair kit.