mayeaux1

What would be considered to be a normal amount of "hollow" spots under a glue down wood floor application? The floors were leveled with "patch", the floor product was acclimated to the environment for three days prior to install, BST was the glue used. 1500 s/f were installed. There is no movement anywhere in the floor, but hollow spots can be heard near the walls in about 25 locations, if you tap on them or bounce a ball.