Neither former nor latter applies as this is a new installation week old and the sub floor seems to be flat enough.
Laminate floor flexes when walked on.
Laminate flooring brings good looks at a less intimidating price point than high end solid wood.
Laminate flooring will snap and pop as you walk on it if it s bridging across hollow spots under the flooring.
New good quality laminate floor making cracking noise when walked on we recently had our hall and lounge fitted with good quality laminate our floors are concrete and we had the hallway already fitted with a much cheaper laminate which we removed this never made any noise when walked on.
Ideal situation is when you can check your sub floor quality before laminate flooring purchase and then make adequate decision.
Avoid cheap laminate flooring.
Your laminate floor will flex up and down adjusting to your uneven sub floor and the end effect will be damaged locking system micro gaps between boards and poor floor performance.
It may look real but it s still a synthetic that feels unnaturally hard and can be harsh sounding when walked on.
Your weight stresses the interlocking tongues and grooves in the flooring causing.
Having read other topics and flooring faqs in internet it seems that this sort of problems is normally caused by the sub floor not being flat or floor expansion.