Egger D4 Adhesives comes in a easy to hadle 1kg squeezy bottle with no requirement for tools with it's nozzle. Applied to joints in structural floorling (such as chipboard flooring) D4 glue creates a squeak reducing bond as it foams within the joint to create complete seal that also helps to stop moisture ingress and assists in conforming to the 43dB sound test if used in conjuction with the right flooring materials.